1 /* tc-ppc.c -- Assemble for the PowerPC or POWER (RS/6000)
2 Copyright 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003
3 Free Software Foundation, Inc.
4 Written by Ian Lance Taylor, Cygnus Support.
6 This file is part of GAS, the GNU Assembler.
8 GAS is free software; you can redistribute it and/or modify
9 it under the terms of the GNU General Public License as published by
10 the Free Software Foundation; either version 2, or (at your option)
13 GAS is distributed in the hope that it will be useful,
14 but WITHOUT ANY WARRANTY; without even the implied warranty of
15 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16 GNU General Public License for more details.
18 You should have received a copy of the GNU General Public License
19 along with GAS; see the file COPYING. If not, write to the Free
20 Software Foundation, 59 Temple Place - Suite 330, Boston, MA
25 #include "safe-ctype.h"
27 #include "dw2gencfi.h"
28 #include "opcode/ppc.h"
32 #include "dwarf2dbg.h"
39 /* This is the assembler for the PowerPC or POWER (RS/6000) chips. */
41 /* Tell the main code what the endianness is. */
42 extern int target_big_endian
;
44 /* Whether or not, we've set target_big_endian. */
45 static int set_target_endian
= 0;
47 /* Whether to use user friendly register names. */
48 #ifndef TARGET_REG_NAMES_P
50 #define TARGET_REG_NAMES_P TRUE
52 #define TARGET_REG_NAMES_P FALSE
56 /* Macros for calculating LO, HI, HA, HIGHER, HIGHERA, HIGHEST,
59 /* #lo(value) denotes the least significant 16 bits of the indicated. */
60 #define PPC_LO(v) ((v) & 0xffff)
62 /* #hi(value) denotes bits 16 through 31 of the indicated value. */
63 #define PPC_HI(v) (((v) >> 16) & 0xffff)
65 /* #ha(value) denotes the high adjusted value: bits 16 through 31 of
66 the indicated value, compensating for #lo() being treated as a
68 #define PPC_HA(v) PPC_HI ((v) + 0x8000)
70 /* #higher(value) denotes bits 32 through 47 of the indicated value. */
71 #define PPC_HIGHER(v) (((v) >> 16 >> 16) & 0xffff)
73 /* #highera(value) denotes bits 32 through 47 of the indicated value,
74 compensating for #lo() being treated as a signed number. */
75 #define PPC_HIGHERA(v) PPC_HIGHER ((v) + 0x8000)
77 /* #highest(value) denotes bits 48 through 63 of the indicated value. */
78 #define PPC_HIGHEST(v) (((v) >> 24 >> 24) & 0xffff)
80 /* #highesta(value) denotes bits 48 through 63 of the indicated value,
81 compensating for #lo being treated as a signed number. */
82 #define PPC_HIGHESTA(v) PPC_HIGHEST ((v) + 0x8000)
84 #define SEX16(val) ((((val) & 0xffff) ^ 0x8000) - 0x8000)
86 static bfd_boolean reg_names_p
= TARGET_REG_NAMES_P
;
88 static bfd_boolean register_name
PARAMS ((expressionS
*));
89 static void ppc_set_cpu
PARAMS ((void));
90 static unsigned long ppc_insert_operand
91 PARAMS ((unsigned long insn
, const struct powerpc_operand
*operand
,
92 offsetT val
, char *file
, unsigned int line
));
93 static void ppc_macro
PARAMS ((char *str
, const struct powerpc_macro
*macro
));
94 static void ppc_byte
PARAMS ((int));
96 #if defined (OBJ_XCOFF) || defined (OBJ_ELF)
97 static int ppc_is_toc_sym
PARAMS ((symbolS
*sym
));
98 static void ppc_tc
PARAMS ((int));
99 static void ppc_machine
PARAMS ((int));
103 static void ppc_comm
PARAMS ((int));
104 static void ppc_bb
PARAMS ((int));
105 static void ppc_bc
PARAMS ((int));
106 static void ppc_bf
PARAMS ((int));
107 static void ppc_biei
PARAMS ((int));
108 static void ppc_bs
PARAMS ((int));
109 static void ppc_eb
PARAMS ((int));
110 static void ppc_ec
PARAMS ((int));
111 static void ppc_ef
PARAMS ((int));
112 static void ppc_es
PARAMS ((int));
113 static void ppc_csect
PARAMS ((int));
114 static void ppc_change_csect
PARAMS ((symbolS
*, offsetT
));
115 static void ppc_function
PARAMS ((int));
116 static void ppc_extern
PARAMS ((int));
117 static void ppc_lglobl
PARAMS ((int));
118 static void ppc_section
PARAMS ((int));
119 static void ppc_named_section
PARAMS ((int));
120 static void ppc_stabx
PARAMS ((int));
121 static void ppc_rename
PARAMS ((int));
122 static void ppc_toc
PARAMS ((int));
123 static void ppc_xcoff_cons
PARAMS ((int));
124 static void ppc_vbyte
PARAMS ((int));
128 static bfd_reloc_code_real_type ppc_elf_suffix
PARAMS ((char **, expressionS
*));
129 static void ppc_elf_cons
PARAMS ((int));
130 static void ppc_elf_rdata
PARAMS ((int));
131 static void ppc_elf_lcomm
PARAMS ((int));
132 static void ppc_elf_validate_fix
PARAMS ((fixS
*, segT
));
133 static void ppc_apuinfo_section_add
PARAMS ((unsigned int apu
, unsigned int version
));
137 static void ppc_set_current_section
PARAMS ((segT
));
138 static void ppc_previous
PARAMS ((int));
139 static void ppc_pdata
PARAMS ((int));
140 static void ppc_ydata
PARAMS ((int));
141 static void ppc_reldata
PARAMS ((int));
142 static void ppc_rdata
PARAMS ((int));
143 static void ppc_ualong
PARAMS ((int));
144 static void ppc_znop
PARAMS ((int));
145 static void ppc_pe_comm
PARAMS ((int));
146 static void ppc_pe_section
PARAMS ((int));
147 static void ppc_pe_function
PARAMS ((int));
148 static void ppc_pe_tocd
PARAMS ((int));
151 /* Generic assembler global variables which must be defined by all
155 /* This string holds the chars that always start a comment. If the
156 pre-processor is disabled, these aren't very useful. The macro
157 tc_comment_chars points to this. We use this, rather than the
158 usual comment_chars, so that we can switch for Solaris conventions. */
159 static const char ppc_solaris_comment_chars
[] = "#!";
160 static const char ppc_eabi_comment_chars
[] = "#";
162 #ifdef TARGET_SOLARIS_COMMENT
163 const char *ppc_comment_chars
= ppc_solaris_comment_chars
;
165 const char *ppc_comment_chars
= ppc_eabi_comment_chars
;
168 const char comment_chars
[] = "#";
171 /* Characters which start a comment at the beginning of a line. */
172 const char line_comment_chars
[] = "#";
174 /* Characters which may be used to separate multiple commands on a
176 const char line_separator_chars
[] = ";";
178 /* Characters which are used to indicate an exponent in a floating
180 const char EXP_CHARS
[] = "eE";
182 /* Characters which mean that a number is a floating point constant,
184 const char FLT_CHARS
[] = "dD";
186 /* '+' and '-' can be used as postfix predicate predictors for conditional
187 branches. So they need to be accepted as symbol characters. */
188 const char ppc_symbol_chars
[] = "+-";
190 /* The dwarf2 data alignment, adjusted for 32 or 64 bit. */
191 int ppc_cie_data_alignment
;
193 /* The target specific pseudo-ops which we support. */
195 const pseudo_typeS md_pseudo_table
[] =
197 /* Pseudo-ops which must be overridden. */
198 { "byte", ppc_byte
, 0 },
201 /* Pseudo-ops specific to the RS/6000 XCOFF format. Some of these
202 legitimately belong in the obj-*.c file. However, XCOFF is based
203 on COFF, and is only implemented for the RS/6000. We just use
204 obj-coff.c, and add what we need here. */
205 { "comm", ppc_comm
, 0 },
206 { "lcomm", ppc_comm
, 1 },
210 { "bi", ppc_biei
, 0 },
212 { "csect", ppc_csect
, 0 },
213 { "data", ppc_section
, 'd' },
217 { "ei", ppc_biei
, 1 },
219 { "extern", ppc_extern
, 0 },
220 { "function", ppc_function
, 0 },
221 { "lglobl", ppc_lglobl
, 0 },
222 { "rename", ppc_rename
, 0 },
223 { "section", ppc_named_section
, 0 },
224 { "stabx", ppc_stabx
, 0 },
225 { "text", ppc_section
, 't' },
226 { "toc", ppc_toc
, 0 },
227 { "long", ppc_xcoff_cons
, 2 },
228 { "llong", ppc_xcoff_cons
, 3 },
229 { "word", ppc_xcoff_cons
, 1 },
230 { "short", ppc_xcoff_cons
, 1 },
231 { "vbyte", ppc_vbyte
, 0 },
235 { "llong", ppc_elf_cons
, 8 },
236 { "quad", ppc_elf_cons
, 8 },
237 { "long", ppc_elf_cons
, 4 },
238 { "word", ppc_elf_cons
, 2 },
239 { "short", ppc_elf_cons
, 2 },
240 { "rdata", ppc_elf_rdata
, 0 },
241 { "rodata", ppc_elf_rdata
, 0 },
242 { "lcomm", ppc_elf_lcomm
, 0 },
246 /* Pseudo-ops specific to the Windows NT PowerPC PE (coff) format. */
247 { "previous", ppc_previous
, 0 },
248 { "pdata", ppc_pdata
, 0 },
249 { "ydata", ppc_ydata
, 0 },
250 { "reldata", ppc_reldata
, 0 },
251 { "rdata", ppc_rdata
, 0 },
252 { "ualong", ppc_ualong
, 0 },
253 { "znop", ppc_znop
, 0 },
254 { "comm", ppc_pe_comm
, 0 },
255 { "lcomm", ppc_pe_comm
, 1 },
256 { "section", ppc_pe_section
, 0 },
257 { "function", ppc_pe_function
,0 },
258 { "tocd", ppc_pe_tocd
, 0 },
261 #if defined (OBJ_XCOFF) || defined (OBJ_ELF)
263 { "machine", ppc_machine
, 0 },
270 /* Predefined register names if -mregnames (or default for Windows NT).
271 In general, there are lots of them, in an attempt to be compatible
272 with a number of other Windows NT assemblers. */
274 /* Structure to hold information about predefined registers. */
281 /* List of registers that are pre-defined:
283 Each general register has predefined names of the form:
284 1. r<reg_num> which has the value <reg_num>.
285 2. r.<reg_num> which has the value <reg_num>.
287 Each floating point register has predefined names of the form:
288 1. f<reg_num> which has the value <reg_num>.
289 2. f.<reg_num> which has the value <reg_num>.
291 Each vector unit register has predefined names of the form:
292 1. v<reg_num> which has the value <reg_num>.
293 2. v.<reg_num> which has the value <reg_num>.
295 Each condition register has predefined names of the form:
296 1. cr<reg_num> which has the value <reg_num>.
297 2. cr.<reg_num> which has the value <reg_num>.
299 There are individual registers as well:
300 sp or r.sp has the value 1
301 rtoc or r.toc has the value 2
302 fpscr has the value 0
308 dsisr has the value 18
310 sdr1 has the value 25
311 srr0 has the value 26
312 srr1 has the value 27
314 The table is sorted. Suitable for searching by a binary search. */
316 static const struct pd_reg pre_defined_registers
[] =
318 { "cr.0", 0 }, /* Condition Registers */
338 { "dar", 19 }, /* Data Access Register */
339 { "dec", 22 }, /* Decrementer */
340 { "dsisr", 18 }, /* Data Storage Interrupt Status Register */
342 { "f.0", 0 }, /* Floating point registers */
410 { "lr", 8 }, /* Link Register */
414 { "r.0", 0 }, /* General Purpose Registers */
447 { "r.sp", 1 }, /* Stack Pointer */
449 { "r.toc", 2 }, /* Pointer to the table of contents */
451 { "r0", 0 }, /* More general purpose registers */
484 { "rtoc", 2 }, /* Table of contents */
486 { "sdr1", 25 }, /* Storage Description Register 1 */
490 { "srr0", 26 }, /* Machine Status Save/Restore Register 0 */
491 { "srr1", 27 }, /* Machine Status Save/Restore Register 1 */
493 { "v.0", 0 }, /* Vector registers */
563 #define REG_NAME_CNT (sizeof (pre_defined_registers) / sizeof (struct pd_reg))
565 /* Given NAME, find the register number associated with that name, return
566 the integer value associated with the given name or -1 on failure. */
568 static int reg_name_search
569 PARAMS ((const struct pd_reg
*, int, const char * name
));
572 reg_name_search (regs
, regcount
, name
)
573 const struct pd_reg
*regs
;
577 int middle
, low
, high
;
585 middle
= (low
+ high
) / 2;
586 cmp
= strcasecmp (name
, regs
[middle
].name
);
592 return regs
[middle
].value
;
600 * Summary of register_name.
602 * in: Input_line_pointer points to 1st char of operand.
604 * out: A expressionS.
605 * The operand may have been a register: in this case, X_op == O_register,
606 * X_add_number is set to the register number, and truth is returned.
607 * Input_line_pointer->(next non-blank) char after operand, or is in its
612 register_name (expressionP
)
613 expressionS
*expressionP
;
620 /* Find the spelling of the operand. */
621 start
= name
= input_line_pointer
;
622 if (name
[0] == '%' && ISALPHA (name
[1]))
623 name
= ++input_line_pointer
;
625 else if (!reg_names_p
|| !ISALPHA (name
[0]))
628 c
= get_symbol_end ();
629 reg_number
= reg_name_search (pre_defined_registers
, REG_NAME_CNT
, name
);
631 /* Put back the delimiting char. */
632 *input_line_pointer
= c
;
634 /* Look to see if it's in the register table. */
637 expressionP
->X_op
= O_register
;
638 expressionP
->X_add_number
= reg_number
;
640 /* Make the rest nice. */
641 expressionP
->X_add_symbol
= NULL
;
642 expressionP
->X_op_symbol
= NULL
;
646 /* Reset the line as if we had not done anything. */
647 input_line_pointer
= start
;
651 /* This function is called for each symbol seen in an expression. It
652 handles the special parsing which PowerPC assemblers are supposed
653 to use for condition codes. */
655 /* Whether to do the special parsing. */
656 static bfd_boolean cr_operand
;
658 /* Names to recognize in a condition code. This table is sorted. */
659 static const struct pd_reg cr_names
[] =
676 /* Parsing function. This returns non-zero if it recognized an
680 ppc_parse_name (name
, expr
)
689 val
= reg_name_search (cr_names
, sizeof cr_names
/ sizeof cr_names
[0],
694 expr
->X_op
= O_constant
;
695 expr
->X_add_number
= val
;
700 /* Local variables. */
702 /* The type of processor we are assembling for. This is one or more
703 of the PPC_OPCODE flags defined in opcode/ppc.h. */
704 static unsigned long ppc_cpu
= 0;
706 /* Whether to target xcoff64/elf64. */
707 static unsigned int ppc_obj64
= BFD_DEFAULT_TARGET_SIZE
== 64;
709 /* Opcode hash table. */
710 static struct hash_control
*ppc_hash
;
712 /* Macro hash table. */
713 static struct hash_control
*ppc_macro_hash
;
716 /* What type of shared library support to use. */
717 static enum { SHLIB_NONE
, SHLIB_PIC
, SHLIB_MRELOCATABLE
} shlib
= SHLIB_NONE
;
719 /* Flags to set in the elf header. */
720 static flagword ppc_flags
= 0;
722 /* Whether this is Solaris or not. */
723 #ifdef TARGET_SOLARIS_COMMENT
724 #define SOLARIS_P TRUE
726 #define SOLARIS_P FALSE
729 static bfd_boolean msolaris
= SOLARIS_P
;
734 /* The RS/6000 assembler uses the .csect pseudo-op to generate code
735 using a bunch of different sections. These assembler sections,
736 however, are all encompassed within the .text or .data sections of
737 the final output file. We handle this by using different
738 subsegments within these main segments. */
740 /* Next subsegment to allocate within the .text segment. */
741 static subsegT ppc_text_subsegment
= 2;
743 /* Linked list of csects in the text section. */
744 static symbolS
*ppc_text_csects
;
746 /* Next subsegment to allocate within the .data segment. */
747 static subsegT ppc_data_subsegment
= 2;
749 /* Linked list of csects in the data section. */
750 static symbolS
*ppc_data_csects
;
752 /* The current csect. */
753 static symbolS
*ppc_current_csect
;
755 /* The RS/6000 assembler uses a TOC which holds addresses of functions
756 and variables. Symbols are put in the TOC with the .tc pseudo-op.
757 A special relocation is used when accessing TOC entries. We handle
758 the TOC as a subsegment within the .data segment. We set it up if
759 we see a .toc pseudo-op, and save the csect symbol here. */
760 static symbolS
*ppc_toc_csect
;
762 /* The first frag in the TOC subsegment. */
763 static fragS
*ppc_toc_frag
;
765 /* The first frag in the first subsegment after the TOC in the .data
766 segment. NULL if there are no subsegments after the TOC. */
767 static fragS
*ppc_after_toc_frag
;
769 /* The current static block. */
770 static symbolS
*ppc_current_block
;
772 /* The COFF debugging section; set by md_begin. This is not the
773 .debug section, but is instead the secret BFD section which will
774 cause BFD to set the section number of a symbol to N_DEBUG. */
775 static asection
*ppc_coff_debug_section
;
777 #endif /* OBJ_XCOFF */
781 /* Various sections that we need for PE coff support. */
782 static segT ydata_section
;
783 static segT pdata_section
;
784 static segT reldata_section
;
785 static segT rdata_section
;
786 static segT tocdata_section
;
788 /* The current section and the previous section. See ppc_previous. */
789 static segT ppc_previous_section
;
790 static segT ppc_current_section
;
795 symbolS
*GOT_symbol
; /* Pre-defined "_GLOBAL_OFFSET_TABLE" */
796 #define PPC_APUINFO_ISEL 0x40
797 #define PPC_APUINFO_PMR 0x41
798 #define PPC_APUINFO_RFMCI 0x42
799 #define PPC_APUINFO_CACHELCK 0x43
800 #define PPC_APUINFO_SPE 0x100
801 #define PPC_APUINFO_EFS 0x101
802 #define PPC_APUINFO_BRLOCK 0x102
805 * We keep a list of APUinfo
807 unsigned long *ppc_apuinfo_list
;
808 unsigned int ppc_apuinfo_num
;
809 unsigned int ppc_apuinfo_num_alloc
;
813 const char *const md_shortopts
= "b:l:usm:K:VQ:";
815 const char *const md_shortopts
= "um:";
817 const struct option md_longopts
[] = {
818 {NULL
, no_argument
, NULL
, 0}
820 const size_t md_longopts_size
= sizeof (md_longopts
);
823 md_parse_option (c
, arg
)
830 /* -u means that any undefined symbols should be treated as
831 external, which is the default for gas anyhow. */
836 /* Solaris as takes -le (presumably for little endian). For completeness
837 sake, recognize -be also. */
838 if (strcmp (arg
, "e") == 0)
840 target_big_endian
= 0;
841 set_target_endian
= 1;
849 if (strcmp (arg
, "e") == 0)
851 target_big_endian
= 1;
852 set_target_endian
= 1;
860 /* Recognize -K PIC. */
861 if (strcmp (arg
, "PIC") == 0 || strcmp (arg
, "pic") == 0)
864 ppc_flags
|= EF_PPC_RELOCATABLE_LIB
;
872 /* a64 and a32 determine whether to use XCOFF64 or XCOFF32. */
874 if (strcmp (arg
, "64") == 0)
879 as_fatal (_("%s unsupported"), "-a64");
882 else if (strcmp (arg
, "32") == 0)
889 /* -mpwrx and -mpwr2 mean to assemble for the IBM POWER/2
891 if (strcmp (arg
, "pwrx") == 0 || strcmp (arg
, "pwr2") == 0)
892 ppc_cpu
= PPC_OPCODE_POWER
| PPC_OPCODE_POWER2
| PPC_OPCODE_32
;
893 /* -mpwr means to assemble for the IBM POWER (RIOS1). */
894 else if (strcmp (arg
, "pwr") == 0)
895 ppc_cpu
= PPC_OPCODE_POWER
| PPC_OPCODE_32
;
896 /* -m601 means to assemble for the PowerPC 601, which includes
897 instructions that are holdovers from the Power. */
898 else if (strcmp (arg
, "601") == 0)
899 ppc_cpu
= (PPC_OPCODE_PPC
| PPC_OPCODE_CLASSIC
900 | PPC_OPCODE_601
| PPC_OPCODE_32
);
901 /* -mppc, -mppc32, -m603, and -m604 mean to assemble for the
903 else if (strcmp (arg
, "ppc") == 0
904 || strcmp (arg
, "ppc32") == 0
905 || strcmp (arg
, "603") == 0
906 || strcmp (arg
, "604") == 0)
907 ppc_cpu
= PPC_OPCODE_PPC
| PPC_OPCODE_CLASSIC
| PPC_OPCODE_32
;
908 /* -m403 and -m405 mean to assemble for the PowerPC 403/405. */
909 else if (strcmp (arg
, "403") == 0
910 || strcmp (arg
, "405") == 0)
911 ppc_cpu
= (PPC_OPCODE_PPC
| PPC_OPCODE_CLASSIC
912 | PPC_OPCODE_403
| PPC_OPCODE_32
);
913 else if (strcmp (arg
, "7400") == 0
914 || strcmp (arg
, "7410") == 0
915 || strcmp (arg
, "7450") == 0
916 || strcmp (arg
, "7455") == 0)
917 ppc_cpu
= (PPC_OPCODE_PPC
| PPC_OPCODE_CLASSIC
918 | PPC_OPCODE_ALTIVEC
| PPC_OPCODE_32
);
919 else if (strcmp (arg
, "altivec") == 0)
922 ppc_cpu
= PPC_OPCODE_PPC
| PPC_OPCODE_CLASSIC
| PPC_OPCODE_ALTIVEC
;
924 ppc_cpu
|= PPC_OPCODE_ALTIVEC
;
926 else if (strcmp (arg
, "e500") == 0 || strcmp (arg
, "e500x2") == 0)
928 ppc_cpu
= (PPC_OPCODE_PPC
| PPC_OPCODE_BOOKE
| PPC_OPCODE_SPE
929 | PPC_OPCODE_ISEL
| PPC_OPCODE_EFS
| PPC_OPCODE_BRLOCK
930 | PPC_OPCODE_PMR
| PPC_OPCODE_CACHELCK
933 else if (strcmp (arg
, "spe") == 0)
936 ppc_cpu
= PPC_OPCODE_PPC
| PPC_OPCODE_SPE
| PPC_OPCODE_EFS
;
938 ppc_cpu
|= PPC_OPCODE_SPE
;
940 /* -mppc64 and -m620 mean to assemble for the 64-bit PowerPC
942 else if (strcmp (arg
, "ppc64") == 0 || strcmp (arg
, "620") == 0)
944 ppc_cpu
= PPC_OPCODE_PPC
| PPC_OPCODE_CLASSIC
| PPC_OPCODE_64
;
946 else if (strcmp (arg
, "ppc64bridge") == 0)
948 ppc_cpu
= (PPC_OPCODE_PPC
| PPC_OPCODE_CLASSIC
949 | PPC_OPCODE_64_BRIDGE
| PPC_OPCODE_64
);
951 /* -mbooke/-mbooke32 mean enable 32-bit BookE support. */
952 else if (strcmp (arg
, "booke") == 0 || strcmp (arg
, "booke32") == 0)
954 ppc_cpu
= PPC_OPCODE_PPC
| PPC_OPCODE_BOOKE
| PPC_OPCODE_32
;
956 /* -mbooke64 means enable 64-bit BookE support. */
957 else if (strcmp (arg
, "booke64") == 0)
959 ppc_cpu
= (PPC_OPCODE_PPC
| PPC_OPCODE_BOOKE
960 | PPC_OPCODE_BOOKE64
| PPC_OPCODE_64
);
962 else if (strcmp (arg
, "power4") == 0)
964 ppc_cpu
= (PPC_OPCODE_PPC
| PPC_OPCODE_CLASSIC
965 | PPC_OPCODE_64
| PPC_OPCODE_POWER4
);
967 /* -mcom means assemble for the common intersection between Power
968 and PowerPC. At present, we just allow the union, rather
969 than the intersection. */
970 else if (strcmp (arg
, "com") == 0)
971 ppc_cpu
= PPC_OPCODE_COMMON
| PPC_OPCODE_32
;
972 /* -many means to assemble for any architecture (PWR/PWRX/PPC). */
973 else if (strcmp (arg
, "any") == 0)
974 ppc_cpu
= PPC_OPCODE_ANY
| PPC_OPCODE_32
;
976 else if (strcmp (arg
, "regnames") == 0)
979 else if (strcmp (arg
, "no-regnames") == 0)
983 /* -mrelocatable/-mrelocatable-lib -- warn about initializations
984 that require relocation. */
985 else if (strcmp (arg
, "relocatable") == 0)
987 shlib
= SHLIB_MRELOCATABLE
;
988 ppc_flags
|= EF_PPC_RELOCATABLE
;
991 else if (strcmp (arg
, "relocatable-lib") == 0)
993 shlib
= SHLIB_MRELOCATABLE
;
994 ppc_flags
|= EF_PPC_RELOCATABLE_LIB
;
997 /* -memb, set embedded bit. */
998 else if (strcmp (arg
, "emb") == 0)
999 ppc_flags
|= EF_PPC_EMB
;
1001 /* -mlittle/-mbig set the endianess. */
1002 else if (strcmp (arg
, "little") == 0
1003 || strcmp (arg
, "little-endian") == 0)
1005 target_big_endian
= 0;
1006 set_target_endian
= 1;
1009 else if (strcmp (arg
, "big") == 0 || strcmp (arg
, "big-endian") == 0)
1011 target_big_endian
= 1;
1012 set_target_endian
= 1;
1015 else if (strcmp (arg
, "solaris") == 0)
1018 ppc_comment_chars
= ppc_solaris_comment_chars
;
1021 else if (strcmp (arg
, "no-solaris") == 0)
1024 ppc_comment_chars
= ppc_eabi_comment_chars
;
1029 as_bad (_("invalid switch -m%s"), arg
);
1035 /* -V: SVR4 argument to print version ID. */
1037 print_version_id ();
1040 /* -Qy, -Qn: SVR4 arguments controlling whether a .comment section
1041 should be emitted or not. FIXME: Not implemented. */
1045 /* Solaris takes -s to specify that .stabs go in a .stabs section,
1046 rather than .stabs.excl, which is ignored by the linker.
1047 FIXME: Not implemented. */
1063 md_show_usage (stream
)
1066 fprintf (stream
, _("\
1068 -a32 generate ELF32/XCOFF32\n\
1069 -a64 generate ELF64/XCOFF64\n\
1071 -mpwrx, -mpwr2 generate code for POWER/2 (RIOS2)\n\
1072 -mpwr generate code for POWER (RIOS1)\n\
1073 -m601 generate code for PowerPC 601\n\
1074 -mppc, -mppc32, -m603, -m604\n\
1075 generate code for PowerPC 603/604\n\
1076 -m403, -m405 generate code for PowerPC 403/405\n\
1077 -m7400, -m7410, -m7450, -m7455\n\
1078 generate code For PowerPC 7400/7410/7450/7455\n"));
1079 fprintf (stream
, _("\
1080 -mppc64, -m620 generate code for PowerPC 620/625/630\n\
1081 -mppc64bridge generate code for PowerPC 64, including bridge insns\n\
1082 -mbooke64 generate code for 64-bit PowerPC BookE\n\
1083 -mbooke, mbooke32 generate code for 32-bit PowerPC BookE\n\
1084 -mpower4 generate code for Power4 architecture\n\
1085 -mcom generate code Power/PowerPC common instructions\n\
1086 -many generate code for any architecture (PWR/PWRX/PPC)\n"));
1087 fprintf (stream
, _("\
1088 -maltivec generate code for AltiVec\n\
1089 -me500, -me500x2 generate code for Motorola e500 core complex\n\
1090 -mspe generate code for Motorola SPE instructions\n\
1091 -mregnames Allow symbolic names for registers\n\
1092 -mno-regnames Do not allow symbolic names for registers\n"));
1094 fprintf (stream
, _("\
1095 -mrelocatable support for GCC's -mrelocatble option\n\
1096 -mrelocatable-lib support for GCC's -mrelocatble-lib option\n\
1097 -memb set PPC_EMB bit in ELF flags\n\
1098 -mlittle, -mlittle-endian, -l, -le\n\
1099 generate code for a little endian machine\n\
1100 -mbig, -mbig-endian, -b, -be\n\
1101 generate code for a big endian machine\n\
1102 -msolaris generate code for Solaris\n\
1103 -mno-solaris do not generate code for Solaris\n\
1104 -V print assembler version number\n\
1105 -Qy, -Qn ignored\n"));
1109 /* Set ppc_cpu if it is not already set. */
1114 const char *default_os
= TARGET_OS
;
1115 const char *default_cpu
= TARGET_CPU
;
1120 ppc_cpu
= PPC_OPCODE_PPC
| PPC_OPCODE_CLASSIC
| PPC_OPCODE_64
;
1121 else if (strncmp (default_os
, "aix", 3) == 0
1122 && default_os
[3] >= '4' && default_os
[3] <= '9')
1123 ppc_cpu
= PPC_OPCODE_COMMON
| PPC_OPCODE_32
;
1124 else if (strncmp (default_os
, "aix3", 4) == 0)
1125 ppc_cpu
= PPC_OPCODE_POWER
| PPC_OPCODE_32
;
1126 else if (strcmp (default_cpu
, "rs6000") == 0)
1127 ppc_cpu
= PPC_OPCODE_POWER
| PPC_OPCODE_32
;
1128 else if (strncmp (default_cpu
, "powerpc", 7) == 0)
1130 if (default_cpu
[7] == '6' && default_cpu
[8] == '4')
1131 ppc_cpu
= PPC_OPCODE_PPC
| PPC_OPCODE_CLASSIC
| PPC_OPCODE_64
;
1133 ppc_cpu
= PPC_OPCODE_PPC
| PPC_OPCODE_CLASSIC
| PPC_OPCODE_32
;
1136 as_fatal (_("Unknown default cpu = %s, os = %s"),
1137 default_cpu
, default_os
);
1141 /* Figure out the BFD architecture to use. */
1143 enum bfd_architecture
1146 const char *default_cpu
= TARGET_CPU
;
1149 if ((ppc_cpu
& PPC_OPCODE_PPC
) != 0)
1150 return bfd_arch_powerpc
;
1151 else if ((ppc_cpu
& PPC_OPCODE_POWER
) != 0)
1152 return bfd_arch_rs6000
;
1153 else if ((ppc_cpu
& (PPC_OPCODE_COMMON
| PPC_OPCODE_ANY
)) != 0)
1155 if (strcmp (default_cpu
, "rs6000") == 0)
1156 return bfd_arch_rs6000
;
1157 else if (strncmp (default_cpu
, "powerpc", 7) == 0)
1158 return bfd_arch_powerpc
;
1161 as_fatal (_("Neither Power nor PowerPC opcodes were selected."));
1162 return bfd_arch_unknown
;
1169 return bfd_mach_ppc64
;
1170 else if (ppc_arch () == bfd_arch_rs6000
)
1171 return bfd_mach_rs6k
;
1173 return bfd_mach_ppc
;
1177 ppc_target_format ()
1181 return target_big_endian
? "pe-powerpc" : "pe-powerpcle";
1183 return "xcoff-powermac";
1186 return (ppc_obj64
? "aix5coff64-rs6000" : "aixcoff-rs6000");
1188 return (ppc_obj64
? "aixcoff64-rs6000" : "aixcoff-rs6000");
1193 return (target_big_endian
1194 ? (ppc_obj64
? "elf64-powerpc" : "elf32-powerpc")
1195 : (ppc_obj64
? "elf64-powerpcle" : "elf32-powerpcle"));
1199 /* This function is called when the assembler starts up. It is called
1200 after the options have been parsed and the output file has been
1206 register const struct powerpc_opcode
*op
;
1207 const struct powerpc_opcode
*op_end
;
1208 const struct powerpc_macro
*macro
;
1209 const struct powerpc_macro
*macro_end
;
1210 bfd_boolean dup_insn
= FALSE
;
1214 ppc_cie_data_alignment
= ppc_obj64
? -8 : -4;
1217 /* Set the ELF flags if desired. */
1218 if (ppc_flags
&& !msolaris
)
1219 bfd_set_private_flags (stdoutput
, ppc_flags
);
1222 /* Insert the opcodes into a hash table. */
1223 ppc_hash
= hash_new ();
1225 op_end
= powerpc_opcodes
+ powerpc_num_opcodes
;
1226 for (op
= powerpc_opcodes
; op
< op_end
; op
++)
1228 know ((op
->opcode
& op
->mask
) == op
->opcode
);
1230 if ((op
->flags
& ppc_cpu
& ~(PPC_OPCODE_32
| PPC_OPCODE_64
)) != 0
1231 && ((op
->flags
& (PPC_OPCODE_32
| PPC_OPCODE_64
)) == 0
1232 || ((op
->flags
& (PPC_OPCODE_32
| PPC_OPCODE_64
))
1233 == (ppc_cpu
& (PPC_OPCODE_32
| PPC_OPCODE_64
)))
1234 || (ppc_cpu
& PPC_OPCODE_64_BRIDGE
) != 0)
1235 /* Certain instructions (eg: extsw) do not exist in the
1236 32-bit BookE instruction set, but they do exist in the
1237 64-bit BookE instruction set, and other PPC instruction
1238 sets. Check to see if the opcode has the BOOKE64 flag set.
1239 If it does make sure that the target CPU is not the BookE32. */
1240 && ((op
->flags
& PPC_OPCODE_BOOKE64
) == 0
1241 || (ppc_cpu
& PPC_OPCODE_BOOKE64
) == PPC_OPCODE_BOOKE64
1242 || (ppc_cpu
& PPC_OPCODE_BOOKE
) == 0)
1243 && ((op
->flags
& (PPC_OPCODE_POWER4
| PPC_OPCODE_NOPOWER4
)) == 0
1244 || ((op
->flags
& PPC_OPCODE_POWER4
)
1245 == (ppc_cpu
& PPC_OPCODE_POWER4
))))
1249 retval
= hash_insert (ppc_hash
, op
->name
, (PTR
) op
);
1250 if (retval
!= (const char *) NULL
)
1252 /* Ignore Power duplicates for -m601. */
1253 if ((ppc_cpu
& PPC_OPCODE_601
) != 0
1254 && (op
->flags
& PPC_OPCODE_POWER
) != 0)
1257 as_bad (_("Internal assembler error for instruction %s"),
1264 /* Insert the macros into a hash table. */
1265 ppc_macro_hash
= hash_new ();
1267 macro_end
= powerpc_macros
+ powerpc_num_macros
;
1268 for (macro
= powerpc_macros
; macro
< macro_end
; macro
++)
1270 if ((macro
->flags
& ppc_cpu
) != 0)
1274 retval
= hash_insert (ppc_macro_hash
, macro
->name
, (PTR
) macro
);
1275 if (retval
!= (const char *) NULL
)
1277 as_bad (_("Internal assembler error for macro %s"), macro
->name
);
1286 /* Tell the main code what the endianness is if it is not overidden
1288 if (!set_target_endian
)
1290 set_target_endian
= 1;
1291 target_big_endian
= PPC_BIG_ENDIAN
;
1295 ppc_coff_debug_section
= coff_section_from_bfd_index (stdoutput
, N_DEBUG
);
1297 /* Create dummy symbols to serve as initial csects. This forces the
1298 text csects to precede the data csects. These symbols will not
1300 ppc_text_csects
= symbol_make ("dummy\001");
1301 symbol_get_tc (ppc_text_csects
)->within
= ppc_text_csects
;
1302 ppc_data_csects
= symbol_make ("dummy\001");
1303 symbol_get_tc (ppc_data_csects
)->within
= ppc_data_csects
;
1308 ppc_current_section
= text_section
;
1309 ppc_previous_section
= 0;
1318 if (ppc_apuinfo_list
== NULL
)
1321 /* Ok, so write the section info out. We have this layout:
1325 0 8 length of "APUinfo\0"
1326 4 (n*4) number of APU's (4 bytes each)
1329 20 APU#1 first APU's info
1330 24 APU#2 second APU's info
1335 asection
*seg
= now_seg
;
1336 subsegT subseg
= now_subseg
;
1337 asection
*apuinfo_secp
= (asection
*) NULL
;
1340 /* Create the .PPC.EMB.apuinfo section. */
1341 apuinfo_secp
= subseg_new (".PPC.EMB.apuinfo", 0);
1342 bfd_set_section_flags (stdoutput
,
1344 SEC_HAS_CONTENTS
| SEC_READONLY
);
1347 md_number_to_chars (p
, (valueT
) 8, 4);
1350 md_number_to_chars (p
, (valueT
) ppc_apuinfo_num
* 4, 4);
1353 md_number_to_chars (p
, (valueT
) 2, 4);
1356 strcpy (p
, "APUinfo");
1358 for (i
= 0; i
< ppc_apuinfo_num
; i
++)
1361 md_number_to_chars (p
, (valueT
) ppc_apuinfo_list
[i
], 4);
1364 frag_align (2, 0, 0);
1366 /* We probably can't restore the current segment, for there likely
1369 subseg_set (seg
, subseg
);
1374 /* Insert an operand value into an instruction. */
1376 static unsigned long
1377 ppc_insert_operand (insn
, operand
, val
, file
, line
)
1379 const struct powerpc_operand
*operand
;
1384 if (operand
->bits
!= 32)
1389 if ((operand
->flags
& PPC_OPERAND_SIGNED
) != 0)
1391 if ((operand
->flags
& PPC_OPERAND_SIGNOPT
) != 0)
1392 max
= (1 << operand
->bits
) - 1;
1394 max
= (1 << (operand
->bits
- 1)) - 1;
1395 min
= - (1 << (operand
->bits
- 1));
1399 /* Some people write 32 bit hex constants with the sign
1400 extension done by hand. This shouldn't really be
1401 valid, but, to permit this code to assemble on a 64
1402 bit host, we sign extend the 32 bit value. */
1404 && (val
& (offsetT
) 0x80000000) != 0
1405 && (val
& (offsetT
) 0xffffffff) == val
)
1414 max
= (1 << operand
->bits
) - 1;
1418 if ((operand
->flags
& PPC_OPERAND_NEGATIVE
) != 0)
1423 if (test
< (offsetT
) min
|| test
> (offsetT
) max
)
1426 _("operand out of range (%s not between %ld and %ld)");
1429 sprint_value (buf
, test
);
1430 as_bad_where (file
, line
, err
, buf
, min
, max
);
1434 if (operand
->insert
)
1439 insn
= (*operand
->insert
) (insn
, (long) val
, ppc_cpu
, &errmsg
);
1440 if (errmsg
!= (const char *) NULL
)
1441 as_bad_where (file
, line
, errmsg
);
1444 insn
|= (((long) val
& ((1 << operand
->bits
) - 1))
1452 /* Parse @got, etc. and return the desired relocation. */
1453 static bfd_reloc_code_real_type
1454 ppc_elf_suffix (str_p
, exp_p
)
1469 const struct map_bfd
*ptr
;
1471 #define MAP(str,reloc) { str, sizeof (str)-1, reloc }
1473 static const struct map_bfd mapping
[] = {
1474 MAP ("l", (int) BFD_RELOC_LO16
),
1475 MAP ("h", (int) BFD_RELOC_HI16
),
1476 MAP ("ha", (int) BFD_RELOC_HI16_S
),
1477 MAP ("brtaken", (int) BFD_RELOC_PPC_B16_BRTAKEN
),
1478 MAP ("brntaken", (int) BFD_RELOC_PPC_B16_BRNTAKEN
),
1479 MAP ("got", (int) BFD_RELOC_16_GOTOFF
),
1480 MAP ("got@l", (int) BFD_RELOC_LO16_GOTOFF
),
1481 MAP ("got@h", (int) BFD_RELOC_HI16_GOTOFF
),
1482 MAP ("got@ha", (int) BFD_RELOC_HI16_S_GOTOFF
),
1483 MAP ("fixup", (int) BFD_RELOC_CTOR
),
1484 MAP ("plt", (int) BFD_RELOC_24_PLT_PCREL
),
1485 MAP ("pltrel24", (int) BFD_RELOC_24_PLT_PCREL
),
1486 MAP ("copy", (int) BFD_RELOC_PPC_COPY
),
1487 MAP ("globdat", (int) BFD_RELOC_PPC_GLOB_DAT
),
1488 MAP ("local24pc", (int) BFD_RELOC_PPC_LOCAL24PC
),
1489 MAP ("local", (int) BFD_RELOC_PPC_LOCAL24PC
),
1490 MAP ("pltrel", (int) BFD_RELOC_32_PLT_PCREL
),
1491 MAP ("plt@l", (int) BFD_RELOC_LO16_PLTOFF
),
1492 MAP ("plt@h", (int) BFD_RELOC_HI16_PLTOFF
),
1493 MAP ("plt@ha", (int) BFD_RELOC_HI16_S_PLTOFF
),
1494 MAP ("sdarel", (int) BFD_RELOC_GPREL16
),
1495 MAP ("sectoff", (int) BFD_RELOC_16_BASEREL
),
1496 MAP ("sectoff@l", (int) BFD_RELOC_LO16_BASEREL
),
1497 MAP ("sectoff@h", (int) BFD_RELOC_HI16_BASEREL
),
1498 MAP ("sectoff@ha", (int) BFD_RELOC_HI16_S_BASEREL
),
1499 MAP ("naddr", (int) BFD_RELOC_PPC_EMB_NADDR32
),
1500 MAP ("naddr16", (int) BFD_RELOC_PPC_EMB_NADDR16
),
1501 MAP ("naddr@l", (int) BFD_RELOC_PPC_EMB_NADDR16_LO
),
1502 MAP ("naddr@h", (int) BFD_RELOC_PPC_EMB_NADDR16_HI
),
1503 MAP ("naddr@ha", (int) BFD_RELOC_PPC_EMB_NADDR16_HA
),
1504 MAP ("sdai16", (int) BFD_RELOC_PPC_EMB_SDAI16
),
1505 MAP ("sda2rel", (int) BFD_RELOC_PPC_EMB_SDA2REL
),
1506 MAP ("sda2i16", (int) BFD_RELOC_PPC_EMB_SDA2I16
),
1507 MAP ("sda21", (int) BFD_RELOC_PPC_EMB_SDA21
),
1508 MAP ("mrkref", (int) BFD_RELOC_PPC_EMB_MRKREF
),
1509 MAP ("relsect", (int) BFD_RELOC_PPC_EMB_RELSEC16
),
1510 MAP ("relsect@l", (int) BFD_RELOC_PPC_EMB_RELST_LO
),
1511 MAP ("relsect@h", (int) BFD_RELOC_PPC_EMB_RELST_HI
),
1512 MAP ("relsect@ha", (int) BFD_RELOC_PPC_EMB_RELST_HA
),
1513 MAP ("bitfld", (int) BFD_RELOC_PPC_EMB_BIT_FLD
),
1514 MAP ("relsda", (int) BFD_RELOC_PPC_EMB_RELSDA
),
1515 MAP ("xgot", (int) BFD_RELOC_PPC_TOC16
),
1516 MAP ("tls", (int) BFD_RELOC_PPC_TLS
),
1517 MAP ("dtpmod", (int) BFD_RELOC_PPC_DTPMOD
),
1518 MAP ("dtprel", (int) BFD_RELOC_PPC_DTPREL
),
1519 MAP ("dtprel@l", (int) BFD_RELOC_PPC_DTPREL16_LO
),
1520 MAP ("dtprel@h", (int) BFD_RELOC_PPC_DTPREL16_HI
),
1521 MAP ("dtprel@ha", (int) BFD_RELOC_PPC_DTPREL16_HA
),
1522 MAP ("tprel", (int) BFD_RELOC_PPC_TPREL
),
1523 MAP ("tprel@l", (int) BFD_RELOC_PPC_TPREL16_LO
),
1524 MAP ("tprel@h", (int) BFD_RELOC_PPC_TPREL16_HI
),
1525 MAP ("tprel@ha", (int) BFD_RELOC_PPC_TPREL16_HA
),
1526 MAP ("got@tlsgd", (int) BFD_RELOC_PPC_GOT_TLSGD16
),
1527 MAP ("got@tlsgd@l", (int) BFD_RELOC_PPC_GOT_TLSGD16_LO
),
1528 MAP ("got@tlsgd@h", (int) BFD_RELOC_PPC_GOT_TLSGD16_HI
),
1529 MAP ("got@tlsgd@ha", (int) BFD_RELOC_PPC_GOT_TLSGD16_HA
),
1530 MAP ("got@tlsld", (int) BFD_RELOC_PPC_GOT_TLSLD16
),
1531 MAP ("got@tlsld@l", (int) BFD_RELOC_PPC_GOT_TLSLD16_LO
),
1532 MAP ("got@tlsld@h", (int) BFD_RELOC_PPC_GOT_TLSLD16_HI
),
1533 MAP ("got@tlsld@ha", (int) BFD_RELOC_PPC_GOT_TLSLD16_HA
),
1534 MAP ("got@dtprel", (int) BFD_RELOC_PPC_GOT_DTPREL16
),
1535 MAP ("got@dtprel@l", (int) BFD_RELOC_PPC_GOT_DTPREL16_LO
),
1536 MAP ("got@dtprel@h", (int) BFD_RELOC_PPC_GOT_DTPREL16_HI
),
1537 MAP ("got@dtprel@ha", (int) BFD_RELOC_PPC_GOT_DTPREL16_HA
),
1538 MAP ("got@tprel", (int) BFD_RELOC_PPC_GOT_TPREL16
),
1539 MAP ("got@tprel@l", (int) BFD_RELOC_PPC_GOT_TPREL16_LO
),
1540 MAP ("got@tprel@h", (int) BFD_RELOC_PPC_GOT_TPREL16_HI
),
1541 MAP ("got@tprel@ha", (int) BFD_RELOC_PPC_GOT_TPREL16_HA
),
1542 /* The following are only valid for ppc64. Negative values are
1543 used instead of a flag. */
1544 MAP ("higher", - (int) BFD_RELOC_PPC64_HIGHER
),
1545 MAP ("highera", - (int) BFD_RELOC_PPC64_HIGHER_S
),
1546 MAP ("highest", - (int) BFD_RELOC_PPC64_HIGHEST
),
1547 MAP ("highesta", - (int) BFD_RELOC_PPC64_HIGHEST_S
),
1548 MAP ("tocbase", - (int) BFD_RELOC_PPC64_TOC
),
1549 MAP ("toc", - (int) BFD_RELOC_PPC_TOC16
),
1550 MAP ("toc@l", - (int) BFD_RELOC_PPC64_TOC16_LO
),
1551 MAP ("toc@h", - (int) BFD_RELOC_PPC64_TOC16_HI
),
1552 MAP ("toc@ha", - (int) BFD_RELOC_PPC64_TOC16_HA
),
1553 MAP ("dtprel@higher", - (int) BFD_RELOC_PPC64_DTPREL16_HIGHER
),
1554 MAP ("dtprel@highera", - (int) BFD_RELOC_PPC64_DTPREL16_HIGHERA
),
1555 MAP ("dtprel@highest", - (int) BFD_RELOC_PPC64_DTPREL16_HIGHEST
),
1556 MAP ("dtprel@highesta", - (int) BFD_RELOC_PPC64_DTPREL16_HIGHESTA
),
1557 MAP ("tprel@higher", - (int) BFD_RELOC_PPC64_TPREL16_HIGHER
),
1558 MAP ("tprel@highera", - (int) BFD_RELOC_PPC64_TPREL16_HIGHERA
),
1559 MAP ("tprel@highest", - (int) BFD_RELOC_PPC64_TPREL16_HIGHEST
),
1560 MAP ("tprel@highesta", - (int) BFD_RELOC_PPC64_TPREL16_HIGHESTA
),
1561 { (char *) 0, 0, (int) BFD_RELOC_UNUSED
}
1565 return BFD_RELOC_UNUSED
;
1567 for (ch
= *str
, str2
= ident
;
1568 (str2
< ident
+ sizeof (ident
) - 1
1569 && (ISALNUM (ch
) || ch
== '@'));
1572 *str2
++ = TOLOWER (ch
);
1579 for (ptr
= &mapping
[0]; ptr
->length
> 0; ptr
++)
1580 if (ch
== ptr
->string
[0]
1581 && len
== ptr
->length
1582 && memcmp (ident
, ptr
->string
, ptr
->length
) == 0)
1584 int reloc
= ptr
->reloc
;
1589 return BFD_RELOC_UNUSED
;
1594 if (exp_p
->X_add_number
!= 0
1595 && (reloc
== (int) BFD_RELOC_16_GOTOFF
1596 || reloc
== (int) BFD_RELOC_LO16_GOTOFF
1597 || reloc
== (int) BFD_RELOC_HI16_GOTOFF
1598 || reloc
== (int) BFD_RELOC_HI16_S_GOTOFF
))
1599 as_warn (_("identifier+constant@got means identifier@got+constant"));
1601 /* Now check for identifier@suffix+constant. */
1602 if (*str
== '-' || *str
== '+')
1604 char *orig_line
= input_line_pointer
;
1605 expressionS new_exp
;
1607 input_line_pointer
= str
;
1608 expression (&new_exp
);
1609 if (new_exp
.X_op
== O_constant
)
1611 exp_p
->X_add_number
+= new_exp
.X_add_number
;
1612 str
= input_line_pointer
;
1615 if (&input_line_pointer
!= str_p
)
1616 input_line_pointer
= orig_line
;
1620 if (reloc
== (int) BFD_RELOC_PPC64_TOC
1621 && exp_p
->X_op
== O_symbol
1622 && strcmp (S_GET_NAME (exp_p
->X_add_symbol
), ".TOC.") == 0)
1624 /* Change the symbol so that the dummy .TOC. symbol can be
1625 omitted from the object file. */
1626 exp_p
->X_add_symbol
= &abs_symbol
;
1629 return (bfd_reloc_code_real_type
) reloc
;
1632 return BFD_RELOC_UNUSED
;
1635 /* Like normal .long/.short/.word, except support @got, etc.
1636 Clobbers input_line_pointer, checks end-of-line. */
1638 ppc_elf_cons (nbytes
)
1639 register int nbytes
; /* 1=.byte, 2=.word, 4=.long, 8=.llong. */
1642 bfd_reloc_code_real_type reloc
;
1644 if (is_it_end_of_statement ())
1646 demand_empty_rest_of_line ();
1653 if (exp
.X_op
== O_symbol
1654 && *input_line_pointer
== '@'
1655 && (reloc
= ppc_elf_suffix (&input_line_pointer
,
1656 &exp
)) != BFD_RELOC_UNUSED
)
1658 reloc_howto_type
*reloc_howto
;
1661 reloc_howto
= bfd_reloc_type_lookup (stdoutput
, reloc
);
1662 size
= bfd_get_reloc_size (reloc_howto
);
1666 as_bad (_("%s relocations do not fit in %d bytes\n"),
1667 reloc_howto
->name
, nbytes
);
1674 p
= frag_more (nbytes
);
1676 if (target_big_endian
)
1677 offset
= nbytes
- size
;
1678 fix_new_exp (frag_now
, p
- frag_now
->fr_literal
+ offset
, size
,
1683 emit_expr (&exp
, (unsigned int) nbytes
);
1685 while (*input_line_pointer
++ == ',');
1687 /* Put terminator back into stream. */
1688 input_line_pointer
--;
1689 demand_empty_rest_of_line ();
1692 /* Solaris pseduo op to change to the .rodata section. */
1697 char *save_line
= input_line_pointer
;
1698 static char section
[] = ".rodata\n";
1700 /* Just pretend this is .section .rodata */
1701 input_line_pointer
= section
;
1702 obj_elf_section (xxx
);
1704 input_line_pointer
= save_line
;
1707 /* Pseudo op to make file scope bss items. */
1710 int xxx ATTRIBUTE_UNUSED
;
1712 register char *name
;
1716 register symbolS
*symbolP
;
1723 name
= input_line_pointer
;
1724 c
= get_symbol_end ();
1726 /* just after name is now '\0'. */
1727 p
= input_line_pointer
;
1730 if (*input_line_pointer
!= ',')
1732 as_bad (_("Expected comma after symbol-name: rest of line ignored."));
1733 ignore_rest_of_line ();
1737 input_line_pointer
++; /* skip ',' */
1738 if ((size
= get_absolute_expression ()) < 0)
1740 as_warn (_(".COMMon length (%ld.) <0! Ignored."), (long) size
);
1741 ignore_rest_of_line ();
1745 /* The third argument to .lcomm is the alignment. */
1746 if (*input_line_pointer
!= ',')
1750 ++input_line_pointer
;
1751 align
= get_absolute_expression ();
1754 as_warn (_("ignoring bad alignment"));
1760 symbolP
= symbol_find_or_make (name
);
1763 if (S_IS_DEFINED (symbolP
) && ! S_IS_COMMON (symbolP
))
1765 as_bad (_("Ignoring attempt to re-define symbol `%s'."),
1766 S_GET_NAME (symbolP
));
1767 ignore_rest_of_line ();
1771 if (S_GET_VALUE (symbolP
) && S_GET_VALUE (symbolP
) != (valueT
) size
)
1773 as_bad (_("Length of .lcomm \"%s\" is already %ld. Not changed to %ld."),
1774 S_GET_NAME (symbolP
),
1775 (long) S_GET_VALUE (symbolP
),
1778 ignore_rest_of_line ();
1784 old_subsec
= now_subseg
;
1787 /* Convert to a power of 2 alignment. */
1788 for (align2
= 0; (align
& 1) == 0; align
>>= 1, ++align2
);
1791 as_bad (_("Common alignment not a power of 2"));
1792 ignore_rest_of_line ();
1799 record_alignment (bss_section
, align2
);
1800 subseg_set (bss_section
, 0);
1802 frag_align (align2
, 0, 0);
1803 if (S_GET_SEGMENT (symbolP
) == bss_section
)
1804 symbol_get_frag (symbolP
)->fr_symbol
= 0;
1805 symbol_set_frag (symbolP
, frag_now
);
1806 pfrag
= frag_var (rs_org
, 1, 1, (relax_substateT
) 0, symbolP
, size
,
1809 S_SET_SIZE (symbolP
, size
);
1810 S_SET_SEGMENT (symbolP
, bss_section
);
1811 subseg_set (old_sec
, old_subsec
);
1812 demand_empty_rest_of_line ();
1815 /* Validate any relocations emitted for -mrelocatable, possibly adding
1816 fixups for word relocations in writable segments, so we can adjust
1819 ppc_elf_validate_fix (fixp
, seg
)
1823 if (fixp
->fx_done
|| fixp
->fx_pcrel
)
1832 case SHLIB_MRELOCATABLE
:
1833 if (fixp
->fx_r_type
<= BFD_RELOC_UNUSED
1834 && fixp
->fx_r_type
!= BFD_RELOC_16_GOTOFF
1835 && fixp
->fx_r_type
!= BFD_RELOC_HI16_GOTOFF
1836 && fixp
->fx_r_type
!= BFD_RELOC_LO16_GOTOFF
1837 && fixp
->fx_r_type
!= BFD_RELOC_HI16_S_GOTOFF
1838 && fixp
->fx_r_type
!= BFD_RELOC_16_BASEREL
1839 && fixp
->fx_r_type
!= BFD_RELOC_LO16_BASEREL
1840 && fixp
->fx_r_type
!= BFD_RELOC_HI16_BASEREL
1841 && fixp
->fx_r_type
!= BFD_RELOC_HI16_S_BASEREL
1842 && (seg
->flags
& SEC_LOAD
) != 0
1843 && strcmp (segment_name (seg
), ".got2") != 0
1844 && strcmp (segment_name (seg
), ".dtors") != 0
1845 && strcmp (segment_name (seg
), ".ctors") != 0
1846 && strcmp (segment_name (seg
), ".fixup") != 0
1847 && strcmp (segment_name (seg
), ".gcc_except_table") != 0
1848 && strcmp (segment_name (seg
), ".eh_frame") != 0
1849 && strcmp (segment_name (seg
), ".ex_shared") != 0)
1851 if ((seg
->flags
& (SEC_READONLY
| SEC_CODE
)) != 0
1852 || fixp
->fx_r_type
!= BFD_RELOC_CTOR
)
1854 as_bad_where (fixp
->fx_file
, fixp
->fx_line
,
1855 _("Relocation cannot be done when using -mrelocatable"));
1862 /* Prevent elf_frob_file_before_adjust removing a weak undefined
1863 function descriptor sym if the corresponding code sym is used. */
1866 ppc_frob_file_before_adjust ()
1873 for (symp
= symbol_rootP
; symp
; symp
= symbol_next (symp
))
1880 name
= S_GET_NAME (symp
);
1884 if (! S_IS_WEAK (symp
)
1885 || S_IS_DEFINED (symp
))
1888 len
= strlen (name
) + 1;
1889 dotname
= xmalloc (len
+ 1);
1891 memcpy (dotname
+ 1, name
, len
);
1892 dotsym
= symbol_find (dotname
);
1894 if (dotsym
!= NULL
&& (symbol_used_p (dotsym
)
1895 || symbol_used_in_reloc_p (dotsym
)))
1897 symbol_mark_used (symp
);
1901 /* Don't emit .TOC. symbol. */
1902 symp
= symbol_find (".TOC.");
1904 symbol_remove (symp
, &symbol_rootP
, &symbol_lastP
);
1906 #endif /* OBJ_ELF */
1911 * Summary of parse_toc_entry.
1913 * in: Input_line_pointer points to the '[' in one of:
1915 * [toc] [tocv] [toc32] [toc64]
1917 * Anything else is an error of one kind or another.
1920 * return value: success or failure
1921 * toc_kind: kind of toc reference
1922 * input_line_pointer:
1923 * success: first char after the ']'
1924 * failure: unchanged
1928 * [toc] - rv == success, toc_kind = default_toc
1929 * [tocv] - rv == success, toc_kind = data_in_toc
1930 * [toc32] - rv == success, toc_kind = must_be_32
1931 * [toc64] - rv == success, toc_kind = must_be_64
1935 enum toc_size_qualifier
1937 default_toc
, /* The toc cell constructed should be the system default size */
1938 data_in_toc
, /* This is a direct reference to a toc cell */
1939 must_be_32
, /* The toc cell constructed must be 32 bits wide */
1940 must_be_64
/* The toc cell constructed must be 64 bits wide */
1944 parse_toc_entry (toc_kind
)
1945 enum toc_size_qualifier
*toc_kind
;
1950 enum toc_size_qualifier t
;
1952 /* Save the input_line_pointer. */
1953 start
= input_line_pointer
;
1955 /* Skip over the '[' , and whitespace. */
1956 ++input_line_pointer
;
1959 /* Find the spelling of the operand. */
1960 toc_spec
= input_line_pointer
;
1961 c
= get_symbol_end ();
1963 if (strcmp (toc_spec
, "toc") == 0)
1967 else if (strcmp (toc_spec
, "tocv") == 0)
1971 else if (strcmp (toc_spec
, "toc32") == 0)
1975 else if (strcmp (toc_spec
, "toc64") == 0)
1981 as_bad (_("syntax error: invalid toc specifier `%s'"), toc_spec
);
1982 *input_line_pointer
= c
;
1983 input_line_pointer
= start
;
1987 /* Now find the ']'. */
1988 *input_line_pointer
= c
;
1990 SKIP_WHITESPACE (); /* leading whitespace could be there. */
1991 c
= *input_line_pointer
++; /* input_line_pointer->past char in c. */
1995 as_bad (_("syntax error: expected `]', found `%c'"), c
);
1996 input_line_pointer
= start
;
2007 #define APUID(a,v) ((((a) & 0xffff) << 16) | ((v) & 0xffff))
2009 ppc_apuinfo_section_add (apu
, version
)
2010 unsigned int apu
, version
;
2014 /* Check we don't already exist. */
2015 for (i
= 0; i
< ppc_apuinfo_num
; i
++)
2016 if (ppc_apuinfo_list
[i
] == APUID (apu
, version
))
2019 if (ppc_apuinfo_num
== ppc_apuinfo_num_alloc
)
2021 if (ppc_apuinfo_num_alloc
== 0)
2023 ppc_apuinfo_num_alloc
= 4;
2024 ppc_apuinfo_list
= (unsigned long *)
2025 xmalloc (sizeof (unsigned long) * ppc_apuinfo_num_alloc
);
2029 ppc_apuinfo_num_alloc
+= 4;
2030 ppc_apuinfo_list
= (unsigned long *) xrealloc (ppc_apuinfo_list
,
2031 sizeof (unsigned long) * ppc_apuinfo_num_alloc
);
2034 ppc_apuinfo_list
[ppc_apuinfo_num
++] = APUID (apu
, version
);
2040 /* We need to keep a list of fixups. We can't simply generate them as
2041 we go, because that would require us to first create the frag, and
2042 that would screw up references to ``.''. */
2048 bfd_reloc_code_real_type reloc
;
2051 #define MAX_INSN_FIXUPS (5)
2053 /* This routine is called for each instruction to be assembled. */
2060 const struct powerpc_opcode
*opcode
;
2062 const unsigned char *opindex_ptr
;
2066 struct ppc_fixup fixups
[MAX_INSN_FIXUPS
];
2071 bfd_reloc_code_real_type reloc
;
2074 /* Get the opcode. */
2075 for (s
= str
; *s
!= '\0' && ! ISSPACE (*s
); s
++)
2080 /* Look up the opcode in the hash table. */
2081 opcode
= (const struct powerpc_opcode
*) hash_find (ppc_hash
, str
);
2082 if (opcode
== (const struct powerpc_opcode
*) NULL
)
2084 const struct powerpc_macro
*macro
;
2086 macro
= (const struct powerpc_macro
*) hash_find (ppc_macro_hash
, str
);
2087 if (macro
== (const struct powerpc_macro
*) NULL
)
2088 as_bad (_("Unrecognized opcode: `%s'"), str
);
2090 ppc_macro (s
, macro
);
2095 insn
= opcode
->opcode
;
2098 while (ISSPACE (*str
))
2101 /* PowerPC operands are just expressions. The only real issue is
2102 that a few operand types are optional. All cases which might use
2103 an optional operand separate the operands only with commas (in
2104 some cases parentheses are used, as in ``lwz 1,0(1)'' but such
2105 cases never have optional operands). There is never more than
2106 one optional operand for an instruction. So, before we start
2107 seriously parsing the operands, we check to see if we have an
2108 optional operand, and, if we do, we count the number of commas to
2109 see whether the operand should be omitted. */
2111 for (opindex_ptr
= opcode
->operands
; *opindex_ptr
!= 0; opindex_ptr
++)
2113 const struct powerpc_operand
*operand
;
2115 operand
= &powerpc_operands
[*opindex_ptr
];
2116 if ((operand
->flags
& PPC_OPERAND_OPTIONAL
) != 0)
2118 unsigned int opcount
;
2119 unsigned int num_operands_expected
;
2122 /* There is an optional operand. Count the number of
2123 commas in the input line. */
2130 while ((s
= strchr (s
, ',')) != (char *) NULL
)
2137 /* Compute the number of expected operands.
2138 Do not count fake operands. */
2139 for (num_operands_expected
= 0, i
= 0; opcode
->operands
[i
]; i
++)
2140 if ((powerpc_operands
[opcode
->operands
[i
]].flags
& PPC_OPERAND_FAKE
) == 0)
2141 ++ num_operands_expected
;
2143 /* If there are fewer operands in the line then are called
2144 for by the instruction, we want to skip the optional
2146 if (opcount
< num_operands_expected
)
2153 /* Gather the operands. */
2157 for (opindex_ptr
= opcode
->operands
; *opindex_ptr
!= 0; opindex_ptr
++)
2159 const struct powerpc_operand
*operand
;
2165 if (next_opindex
== 0)
2166 operand
= &powerpc_operands
[*opindex_ptr
];
2169 operand
= &powerpc_operands
[next_opindex
];
2174 /* If this is a fake operand, then we do not expect anything
2176 if ((operand
->flags
& PPC_OPERAND_FAKE
) != 0)
2178 insn
= (*operand
->insert
) (insn
, 0L, ppc_cpu
, &errmsg
);
2179 if (errmsg
!= (const char *) NULL
)
2184 /* If this is an optional operand, and we are skipping it, just
2186 if ((operand
->flags
& PPC_OPERAND_OPTIONAL
) != 0
2189 if (operand
->insert
)
2191 insn
= (*operand
->insert
) (insn
, 0L, ppc_cpu
, &errmsg
);
2192 if (errmsg
!= (const char *) NULL
)
2195 if ((operand
->flags
& PPC_OPERAND_NEXT
) != 0)
2196 next_opindex
= *opindex_ptr
+ 1;
2200 /* Gather the operand. */
2201 hold
= input_line_pointer
;
2202 input_line_pointer
= str
;
2205 if (*input_line_pointer
== '[')
2207 /* We are expecting something like the second argument here:
2209 * lwz r4,[toc].GS.0.static_int(rtoc)
2210 * ^^^^^^^^^^^^^^^^^^^^^^^^^^^
2211 * The argument following the `]' must be a symbol name, and the
2212 * register must be the toc register: 'rtoc' or '2'
2214 * The effect is to 0 as the displacement field
2215 * in the instruction, and issue an IMAGE_REL_PPC_TOCREL16 (or
2216 * the appropriate variation) reloc against it based on the symbol.
2217 * The linker will build the toc, and insert the resolved toc offset.
2220 * o The size of the toc entry is currently assumed to be
2221 * 32 bits. This should not be assumed to be a hard coded
2223 * o In an effort to cope with a change from 32 to 64 bits,
2224 * there are also toc entries that are specified to be
2225 * either 32 or 64 bits:
2226 * lwz r4,[toc32].GS.0.static_int(rtoc)
2227 * lwz r4,[toc64].GS.0.static_int(rtoc)
2228 * These demand toc entries of the specified size, and the
2229 * instruction probably requires it.
2233 enum toc_size_qualifier toc_kind
;
2234 bfd_reloc_code_real_type toc_reloc
;
2236 /* Go parse off the [tocXX] part. */
2237 valid_toc
= parse_toc_entry (&toc_kind
);
2241 /* Note: message has already been issued.
2242 FIXME: what sort of recovery should we do?
2243 demand_rest_of_line (); return; ? */
2246 /* Now get the symbol following the ']'. */
2252 /* In this case, we may not have seen the symbol yet,
2253 since it is allowed to appear on a .extern or .globl
2254 or just be a label in the .data section. */
2255 toc_reloc
= BFD_RELOC_PPC_TOC16
;
2258 /* 1. The symbol must be defined and either in the toc
2259 section, or a global.
2260 2. The reloc generated must have the TOCDEFN flag set
2261 in upper bit mess of the reloc type.
2262 FIXME: It's a little confusing what the tocv
2263 qualifier can be used for. At the very least, I've
2264 seen three uses, only one of which I'm sure I can
2266 if (ex
.X_op
== O_symbol
)
2268 assert (ex
.X_add_symbol
!= NULL
);
2269 if (symbol_get_bfdsym (ex
.X_add_symbol
)->section
2272 as_bad (_("[tocv] symbol is not a toc symbol"));
2276 toc_reloc
= BFD_RELOC_PPC_TOC16
;
2279 /* FIXME: these next two specifically specify 32/64 bit
2280 toc entries. We don't support them today. Is this
2281 the right way to say that? */
2282 toc_reloc
= BFD_RELOC_UNUSED
;
2283 as_bad (_("Unimplemented toc32 expression modifier"));
2286 /* FIXME: see above. */
2287 toc_reloc
= BFD_RELOC_UNUSED
;
2288 as_bad (_("Unimplemented toc64 expression modifier"));
2292 _("Unexpected return value [%d] from parse_toc_entry!\n"),
2298 /* We need to generate a fixup for this expression. */
2299 if (fc
>= MAX_INSN_FIXUPS
)
2300 as_fatal (_("too many fixups"));
2302 fixups
[fc
].reloc
= toc_reloc
;
2303 fixups
[fc
].exp
= ex
;
2304 fixups
[fc
].opindex
= *opindex_ptr
;
2307 /* Ok. We've set up the fixup for the instruction. Now make it
2308 look like the constant 0 was found here. */
2310 ex
.X_op
= O_constant
;
2311 ex
.X_add_number
= 0;
2312 ex
.X_add_symbol
= NULL
;
2313 ex
.X_op_symbol
= NULL
;
2319 if (! register_name (&ex
))
2321 if ((operand
->flags
& PPC_OPERAND_CR
) != 0)
2328 str
= input_line_pointer
;
2329 input_line_pointer
= hold
;
2331 if (ex
.X_op
== O_illegal
)
2332 as_bad (_("illegal operand"));
2333 else if (ex
.X_op
== O_absent
)
2334 as_bad (_("missing operand"));
2335 else if (ex
.X_op
== O_register
)
2337 insn
= ppc_insert_operand (insn
, operand
, ex
.X_add_number
,
2340 else if (ex
.X_op
== O_constant
)
2343 /* Allow @HA, @L, @H on constants. */
2344 char *orig_str
= str
;
2346 if ((reloc
= ppc_elf_suffix (&str
, &ex
)) != BFD_RELOC_UNUSED
)
2353 case BFD_RELOC_LO16
:
2354 /* X_unsigned is the default, so if the user has done
2355 something which cleared it, we always produce a
2357 if (ex
.X_unsigned
&& ! (operand
->flags
& PPC_OPERAND_SIGNED
))
2358 ex
.X_add_number
&= 0xffff;
2360 ex
.X_add_number
= SEX16 (ex
.X_add_number
);
2363 case BFD_RELOC_HI16
:
2364 if (ex
.X_unsigned
&& ! (operand
->flags
& PPC_OPERAND_SIGNED
))
2365 ex
.X_add_number
= PPC_HI (ex
.X_add_number
);
2367 ex
.X_add_number
= SEX16 (PPC_HI (ex
.X_add_number
));
2370 case BFD_RELOC_HI16_S
:
2371 if (ex
.X_unsigned
&& ! (operand
->flags
& PPC_OPERAND_SIGNED
))
2372 ex
.X_add_number
= PPC_HA (ex
.X_add_number
);
2374 ex
.X_add_number
= SEX16 (PPC_HA (ex
.X_add_number
));
2377 case BFD_RELOC_PPC64_HIGHER
:
2378 if (ex
.X_unsigned
&& ! (operand
->flags
& PPC_OPERAND_SIGNED
))
2379 ex
.X_add_number
= PPC_HIGHER (ex
.X_add_number
);
2381 ex
.X_add_number
= SEX16 (PPC_HIGHER (ex
.X_add_number
));
2384 case BFD_RELOC_PPC64_HIGHER_S
:
2385 if (ex
.X_unsigned
&& ! (operand
->flags
& PPC_OPERAND_SIGNED
))
2386 ex
.X_add_number
= PPC_HIGHERA (ex
.X_add_number
);
2388 ex
.X_add_number
= SEX16 (PPC_HIGHERA (ex
.X_add_number
));
2391 case BFD_RELOC_PPC64_HIGHEST
:
2392 if (ex
.X_unsigned
&& ! (operand
->flags
& PPC_OPERAND_SIGNED
))
2393 ex
.X_add_number
= PPC_HIGHEST (ex
.X_add_number
);
2395 ex
.X_add_number
= SEX16 (PPC_HIGHEST (ex
.X_add_number
));
2398 case BFD_RELOC_PPC64_HIGHEST_S
:
2399 if (ex
.X_unsigned
&& ! (operand
->flags
& PPC_OPERAND_SIGNED
))
2400 ex
.X_add_number
= PPC_HIGHESTA (ex
.X_add_number
);
2402 ex
.X_add_number
= SEX16 (PPC_HIGHESTA (ex
.X_add_number
));
2405 #endif /* OBJ_ELF */
2406 insn
= ppc_insert_operand (insn
, operand
, ex
.X_add_number
,
2410 else if ((reloc
= ppc_elf_suffix (&str
, &ex
)) != BFD_RELOC_UNUSED
)
2412 /* Some TLS tweaks. */
2417 case BFD_RELOC_PPC_TLS
:
2418 insn
= ppc_insert_operand (insn
, operand
, ppc_obj64
? 13 : 2,
2421 /* We'll only use the 32 (or 64) bit form of these relocations
2422 in constants. Instructions get the 16 bit form. */
2423 case BFD_RELOC_PPC_DTPREL
:
2424 reloc
= BFD_RELOC_PPC_DTPREL16
;
2426 case BFD_RELOC_PPC_TPREL
:
2427 reloc
= BFD_RELOC_PPC_TPREL16
;
2431 /* For the absolute forms of branches, convert the PC
2432 relative form back into the absolute. */
2433 if ((operand
->flags
& PPC_OPERAND_ABSOLUTE
) != 0)
2437 case BFD_RELOC_PPC_B26
:
2438 reloc
= BFD_RELOC_PPC_BA26
;
2440 case BFD_RELOC_PPC_B16
:
2441 reloc
= BFD_RELOC_PPC_BA16
;
2443 case BFD_RELOC_PPC_B16_BRTAKEN
:
2444 reloc
= BFD_RELOC_PPC_BA16_BRTAKEN
;
2446 case BFD_RELOC_PPC_B16_BRNTAKEN
:
2447 reloc
= BFD_RELOC_PPC_BA16_BRNTAKEN
;
2455 && (operand
->flags
& (PPC_OPERAND_DS
| PPC_OPERAND_DQ
)) != 0)
2460 reloc
= BFD_RELOC_PPC64_ADDR16_DS
;
2462 case BFD_RELOC_LO16
:
2463 reloc
= BFD_RELOC_PPC64_ADDR16_LO_DS
;
2465 case BFD_RELOC_16_GOTOFF
:
2466 reloc
= BFD_RELOC_PPC64_GOT16_DS
;
2468 case BFD_RELOC_LO16_GOTOFF
:
2469 reloc
= BFD_RELOC_PPC64_GOT16_LO_DS
;
2471 case BFD_RELOC_LO16_PLTOFF
:
2472 reloc
= BFD_RELOC_PPC64_PLT16_LO_DS
;
2474 case BFD_RELOC_16_BASEREL
:
2475 reloc
= BFD_RELOC_PPC64_SECTOFF_DS
;
2477 case BFD_RELOC_LO16_BASEREL
:
2478 reloc
= BFD_RELOC_PPC64_SECTOFF_LO_DS
;
2480 case BFD_RELOC_PPC_TOC16
:
2481 reloc
= BFD_RELOC_PPC64_TOC16_DS
;
2483 case BFD_RELOC_PPC64_TOC16_LO
:
2484 reloc
= BFD_RELOC_PPC64_TOC16_LO_DS
;
2486 case BFD_RELOC_PPC64_PLTGOT16
:
2487 reloc
= BFD_RELOC_PPC64_PLTGOT16_DS
;
2489 case BFD_RELOC_PPC64_PLTGOT16_LO
:
2490 reloc
= BFD_RELOC_PPC64_PLTGOT16_LO_DS
;
2492 case BFD_RELOC_PPC_DTPREL16
:
2493 reloc
= BFD_RELOC_PPC64_DTPREL16_DS
;
2495 case BFD_RELOC_PPC_DTPREL16_LO
:
2496 reloc
= BFD_RELOC_PPC64_DTPREL16_LO_DS
;
2498 case BFD_RELOC_PPC_TPREL16
:
2499 reloc
= BFD_RELOC_PPC64_TPREL16_DS
;
2501 case BFD_RELOC_PPC_TPREL16_LO
:
2502 reloc
= BFD_RELOC_PPC64_TPREL16_LO_DS
;
2504 case BFD_RELOC_PPC_GOT_DTPREL16
:
2505 case BFD_RELOC_PPC_GOT_DTPREL16_LO
:
2506 case BFD_RELOC_PPC_GOT_TPREL16
:
2507 case BFD_RELOC_PPC_GOT_TPREL16_LO
:
2510 as_bad (_("unsupported relocation for DS offset field"));
2515 /* We need to generate a fixup for this expression. */
2516 if (fc
>= MAX_INSN_FIXUPS
)
2517 as_fatal (_("too many fixups"));
2518 fixups
[fc
].exp
= ex
;
2519 fixups
[fc
].opindex
= 0;
2520 fixups
[fc
].reloc
= reloc
;
2523 #endif /* OBJ_ELF */
2527 /* We need to generate a fixup for this expression. */
2528 if (fc
>= MAX_INSN_FIXUPS
)
2529 as_fatal (_("too many fixups"));
2530 fixups
[fc
].exp
= ex
;
2531 fixups
[fc
].opindex
= *opindex_ptr
;
2532 fixups
[fc
].reloc
= BFD_RELOC_UNUSED
;
2541 else if ((operand
->flags
& PPC_OPERAND_PARENS
) != 0)
2549 /* The call to expression should have advanced str past any
2552 && (endc
!= ',' || *str
!= '\0'))
2554 as_bad (_("syntax error; found `%c' but expected `%c'"), *str
, endc
);
2562 while (ISSPACE (*str
))
2566 as_bad (_("junk at end of line: `%s'"), str
);
2569 /* Do we need/want a APUinfo section? */
2570 if (ppc_cpu
& (PPC_OPCODE_SPE
2571 | PPC_OPCODE_ISEL
| PPC_OPCODE_EFS
2572 | PPC_OPCODE_BRLOCK
| PPC_OPCODE_PMR
| PPC_OPCODE_CACHELCK
2573 | PPC_OPCODE_RFMCI
))
2575 /* These are all version "1". */
2576 if (opcode
->flags
& PPC_OPCODE_SPE
)
2577 ppc_apuinfo_section_add (PPC_APUINFO_SPE
, 1);
2578 if (opcode
->flags
& PPC_OPCODE_ISEL
)
2579 ppc_apuinfo_section_add (PPC_APUINFO_ISEL
, 1);
2580 if (opcode
->flags
& PPC_OPCODE_EFS
)
2581 ppc_apuinfo_section_add (PPC_APUINFO_EFS
, 1);
2582 if (opcode
->flags
& PPC_OPCODE_BRLOCK
)
2583 ppc_apuinfo_section_add (PPC_APUINFO_BRLOCK
, 1);
2584 if (opcode
->flags
& PPC_OPCODE_PMR
)
2585 ppc_apuinfo_section_add (PPC_APUINFO_PMR
, 1);
2586 if (opcode
->flags
& PPC_OPCODE_CACHELCK
)
2587 ppc_apuinfo_section_add (PPC_APUINFO_CACHELCK
, 1);
2588 if (opcode
->flags
& PPC_OPCODE_RFMCI
)
2589 ppc_apuinfo_section_add (PPC_APUINFO_RFMCI
, 1);
2593 /* Write out the instruction. */
2595 md_number_to_chars (f
, insn
, 4);
2598 dwarf2_emit_insn (4);
2601 /* Create any fixups. At this point we do not use a
2602 bfd_reloc_code_real_type, but instead just use the
2603 BFD_RELOC_UNUSED plus the operand index. This lets us easily
2604 handle fixups for any operand type, although that is admittedly
2605 not a very exciting feature. We pick a BFD reloc type in
2607 for (i
= 0; i
< fc
; i
++)
2609 const struct powerpc_operand
*operand
;
2611 operand
= &powerpc_operands
[fixups
[i
].opindex
];
2612 if (fixups
[i
].reloc
!= BFD_RELOC_UNUSED
)
2614 reloc_howto_type
*reloc_howto
;
2619 reloc_howto
= bfd_reloc_type_lookup (stdoutput
, fixups
[i
].reloc
);
2623 size
= bfd_get_reloc_size (reloc_howto
);
2624 offset
= target_big_endian
? (4 - size
) : 0;
2626 if (size
< 1 || size
> 4)
2629 fixP
= fix_new_exp (frag_now
,
2630 f
- frag_now
->fr_literal
+ offset
,
2633 reloc_howto
->pc_relative
,
2636 /* Turn off complaints that the addend is too large for things like
2638 switch (fixups
[i
].reloc
)
2640 case BFD_RELOC_16_GOTOFF
:
2641 case BFD_RELOC_PPC_TOC16
:
2642 case BFD_RELOC_LO16
:
2643 case BFD_RELOC_HI16
:
2644 case BFD_RELOC_HI16_S
:
2646 case BFD_RELOC_PPC64_HIGHER
:
2647 case BFD_RELOC_PPC64_HIGHER_S
:
2648 case BFD_RELOC_PPC64_HIGHEST
:
2649 case BFD_RELOC_PPC64_HIGHEST_S
:
2651 fixP
->fx_no_overflow
= 1;
2658 fix_new_exp (frag_now
,
2659 f
- frag_now
->fr_literal
,
2662 (operand
->flags
& PPC_OPERAND_RELATIVE
) != 0,
2663 ((bfd_reloc_code_real_type
)
2664 (fixups
[i
].opindex
+ (int) BFD_RELOC_UNUSED
)));
2668 /* Handle a macro. Gather all the operands, transform them as
2669 described by the macro, and call md_assemble recursively. All the
2670 operands are separated by commas; we don't accept parentheses
2671 around operands here. */
2674 ppc_macro (str
, macro
)
2676 const struct powerpc_macro
*macro
;
2687 /* Gather the users operands into the operands array. */
2692 if (count
>= sizeof operands
/ sizeof operands
[0])
2694 operands
[count
++] = s
;
2695 s
= strchr (s
, ',');
2696 if (s
== (char *) NULL
)
2701 if (count
!= macro
->operands
)
2703 as_bad (_("wrong number of operands"));
2707 /* Work out how large the string must be (the size is unbounded
2708 because it includes user input). */
2710 format
= macro
->format
;
2711 while (*format
!= '\0')
2720 arg
= strtol (format
+ 1, &send
, 10);
2721 know (send
!= format
&& arg
>= 0 && arg
< count
);
2722 len
+= strlen (operands
[arg
]);
2727 /* Put the string together. */
2728 complete
= s
= (char *) alloca (len
+ 1);
2729 format
= macro
->format
;
2730 while (*format
!= '\0')
2736 arg
= strtol (format
+ 1, &send
, 10);
2737 strcpy (s
, operands
[arg
]);
2744 /* Assemble the constructed instruction. */
2745 md_assemble (complete
);
2749 /* For ELF, add support for SHF_EXCLUDE and SHT_ORDERED. */
2752 ppc_section_letter (letter
, ptr_msg
)
2759 *ptr_msg
= _("Bad .section directive: want a,e,w,x,M,S,G,T in string");
2764 ppc_section_word (str
, len
)
2768 if (len
== 7 && strncmp (str
, "exclude", 7) == 0)
2775 ppc_section_type (str
, len
)
2779 if (len
== 7 && strncmp (str
, "ordered", 7) == 0)
2786 ppc_section_flags (flags
, attr
, type
)
2791 if (type
== SHT_ORDERED
)
2792 flags
|= SEC_ALLOC
| SEC_LOAD
| SEC_SORT_ENTRIES
;
2794 if (attr
& SHF_EXCLUDE
)
2795 flags
|= SEC_EXCLUDE
;
2799 #endif /* OBJ_ELF */
2802 /* Pseudo-op handling. */
2804 /* The .byte pseudo-op. This is similar to the normal .byte
2805 pseudo-op, but it can also take a single ASCII string. */
2809 int ignore ATTRIBUTE_UNUSED
;
2811 if (*input_line_pointer
!= '\"')
2817 /* Gather characters. A real double quote is doubled. Unusual
2818 characters are not permitted. */
2819 ++input_line_pointer
;
2824 c
= *input_line_pointer
++;
2828 if (*input_line_pointer
!= '\"')
2830 ++input_line_pointer
;
2833 FRAG_APPEND_1_CHAR (c
);
2836 demand_empty_rest_of_line ();
2841 /* XCOFF specific pseudo-op handling. */
2843 /* This is set if we are creating a .stabx symbol, since we don't want
2844 to handle symbol suffixes for such symbols. */
2845 static bfd_boolean ppc_stab_symbol
;
2847 /* The .comm and .lcomm pseudo-ops for XCOFF. XCOFF puts common
2848 symbols in the .bss segment as though they were local common
2849 symbols, and uses a different smclas. The native Aix 4.3.3 assember
2850 aligns .comm and .lcomm to 4 bytes. */
2856 asection
*current_seg
= now_seg
;
2857 subsegT current_subseg
= now_subseg
;
2863 symbolS
*lcomm_sym
= NULL
;
2867 name
= input_line_pointer
;
2868 endc
= get_symbol_end ();
2869 end_name
= input_line_pointer
;
2872 if (*input_line_pointer
!= ',')
2874 as_bad (_("missing size"));
2875 ignore_rest_of_line ();
2878 ++input_line_pointer
;
2880 size
= get_absolute_expression ();
2883 as_bad (_("negative size"));
2884 ignore_rest_of_line ();
2890 /* The third argument to .comm is the alignment. */
2891 if (*input_line_pointer
!= ',')
2895 ++input_line_pointer
;
2896 align
= get_absolute_expression ();
2899 as_warn (_("ignoring bad alignment"));
2914 /* The third argument to .lcomm appears to be the real local
2915 common symbol to create. References to the symbol named in
2916 the first argument are turned into references to the third
2918 if (*input_line_pointer
!= ',')
2920 as_bad (_("missing real symbol name"));
2921 ignore_rest_of_line ();
2924 ++input_line_pointer
;
2926 lcomm_name
= input_line_pointer
;
2927 lcomm_endc
= get_symbol_end ();
2929 lcomm_sym
= symbol_find_or_make (lcomm_name
);
2931 *input_line_pointer
= lcomm_endc
;
2935 sym
= symbol_find_or_make (name
);
2938 if (S_IS_DEFINED (sym
)
2939 || S_GET_VALUE (sym
) != 0)
2941 as_bad (_("attempt to redefine symbol"));
2942 ignore_rest_of_line ();
2946 record_alignment (bss_section
, align
);
2949 || ! S_IS_DEFINED (lcomm_sym
))
2958 S_SET_EXTERNAL (sym
);
2962 symbol_get_tc (lcomm_sym
)->output
= 1;
2963 def_sym
= lcomm_sym
;
2967 subseg_set (bss_section
, 1);
2968 frag_align (align
, 0, 0);
2970 symbol_set_frag (def_sym
, frag_now
);
2971 pfrag
= frag_var (rs_org
, 1, 1, (relax_substateT
) 0, def_sym
,
2972 def_size
, (char *) NULL
);
2974 S_SET_SEGMENT (def_sym
, bss_section
);
2975 symbol_get_tc (def_sym
)->align
= align
;
2979 /* Align the size of lcomm_sym. */
2980 symbol_get_frag (lcomm_sym
)->fr_offset
=
2981 ((symbol_get_frag (lcomm_sym
)->fr_offset
+ (1 << align
) - 1)
2982 &~ ((1 << align
) - 1));
2983 if (align
> symbol_get_tc (lcomm_sym
)->align
)
2984 symbol_get_tc (lcomm_sym
)->align
= align
;
2989 /* Make sym an offset from lcomm_sym. */
2990 S_SET_SEGMENT (sym
, bss_section
);
2991 symbol_set_frag (sym
, symbol_get_frag (lcomm_sym
));
2992 S_SET_VALUE (sym
, symbol_get_frag (lcomm_sym
)->fr_offset
);
2993 symbol_get_frag (lcomm_sym
)->fr_offset
+= size
;
2996 subseg_set (current_seg
, current_subseg
);
2998 demand_empty_rest_of_line ();
3001 /* The .csect pseudo-op. This switches us into a different
3002 subsegment. The first argument is a symbol whose value is the
3003 start of the .csect. In COFF, csect symbols get special aux
3004 entries defined by the x_csect field of union internal_auxent. The
3005 optional second argument is the alignment (the default is 2). */
3009 int ignore ATTRIBUTE_UNUSED
;
3016 name
= input_line_pointer
;
3017 endc
= get_symbol_end ();
3019 sym
= symbol_find_or_make (name
);
3021 *input_line_pointer
= endc
;
3023 if (S_GET_NAME (sym
)[0] == '\0')
3025 /* An unnamed csect is assumed to be [PR]. */
3026 symbol_get_tc (sym
)->class = XMC_PR
;
3030 if (*input_line_pointer
== ',')
3032 ++input_line_pointer
;
3033 align
= get_absolute_expression ();
3036 ppc_change_csect (sym
, align
);
3038 demand_empty_rest_of_line ();
3041 /* Change to a different csect. */
3044 ppc_change_csect (sym
, align
)
3048 if (S_IS_DEFINED (sym
))
3049 subseg_set (S_GET_SEGMENT (sym
), symbol_get_tc (sym
)->subseg
);
3059 /* This is a new csect. We need to look at the symbol class to
3060 figure out whether it should go in the text section or the
3064 switch (symbol_get_tc (sym
)->class)
3074 S_SET_SEGMENT (sym
, text_section
);
3075 symbol_get_tc (sym
)->subseg
= ppc_text_subsegment
;
3076 ++ppc_text_subsegment
;
3077 list_ptr
= &ppc_text_csects
;
3087 if (ppc_toc_csect
!= NULL
3088 && (symbol_get_tc (ppc_toc_csect
)->subseg
+ 1
3089 == ppc_data_subsegment
))
3091 S_SET_SEGMENT (sym
, data_section
);
3092 symbol_get_tc (sym
)->subseg
= ppc_data_subsegment
;
3093 ++ppc_data_subsegment
;
3094 list_ptr
= &ppc_data_csects
;
3100 /* We set the obstack chunk size to a small value before
3101 changing subsegments, so that we don't use a lot of memory
3102 space for what may be a small section. */
3103 hold_chunksize
= chunksize
;
3106 sec
= subseg_new (segment_name (S_GET_SEGMENT (sym
)),
3107 symbol_get_tc (sym
)->subseg
);
3109 chunksize
= hold_chunksize
;
3112 ppc_after_toc_frag
= frag_now
;
3114 record_alignment (sec
, align
);
3116 frag_align_code (align
, 0);
3118 frag_align (align
, 0, 0);
3120 symbol_set_frag (sym
, frag_now
);
3121 S_SET_VALUE (sym
, (valueT
) frag_now_fix ());
3123 symbol_get_tc (sym
)->align
= align
;
3124 symbol_get_tc (sym
)->output
= 1;
3125 symbol_get_tc (sym
)->within
= sym
;
3127 for (list
= *list_ptr
;
3128 symbol_get_tc (list
)->next
!= (symbolS
*) NULL
;
3129 list
= symbol_get_tc (list
)->next
)
3131 symbol_get_tc (list
)->next
= sym
;
3133 symbol_remove (sym
, &symbol_rootP
, &symbol_lastP
);
3134 symbol_append (sym
, symbol_get_tc (list
)->within
, &symbol_rootP
,
3138 ppc_current_csect
= sym
;
3141 /* This function handles the .text and .data pseudo-ops. These
3142 pseudo-ops aren't really used by XCOFF; we implement them for the
3143 convenience of people who aren't used to XCOFF. */
3154 else if (type
== 'd')
3159 sym
= symbol_find_or_make (name
);
3161 ppc_change_csect (sym
, 2);
3163 demand_empty_rest_of_line ();
3166 /* This function handles the .section pseudo-op. This is mostly to
3167 give an error, since XCOFF only supports .text, .data and .bss, but
3168 we do permit the user to name the text or data section. */
3171 ppc_named_section (ignore
)
3172 int ignore ATTRIBUTE_UNUSED
;
3175 const char *real_name
;
3179 user_name
= input_line_pointer
;
3180 c
= get_symbol_end ();
3182 if (strcmp (user_name
, ".text") == 0)
3183 real_name
= ".text[PR]";
3184 else if (strcmp (user_name
, ".data") == 0)
3185 real_name
= ".data[RW]";
3188 as_bad (_("The XCOFF file format does not support arbitrary sections"));
3189 *input_line_pointer
= c
;
3190 ignore_rest_of_line ();
3194 *input_line_pointer
= c
;
3196 sym
= symbol_find_or_make (real_name
);
3198 ppc_change_csect (sym
, 2);
3200 demand_empty_rest_of_line ();
3203 /* The .extern pseudo-op. We create an undefined symbol. */
3207 int ignore ATTRIBUTE_UNUSED
;
3212 name
= input_line_pointer
;
3213 endc
= get_symbol_end ();
3215 (void) symbol_find_or_make (name
);
3217 *input_line_pointer
= endc
;
3219 demand_empty_rest_of_line ();
3222 /* The .lglobl pseudo-op. Keep the symbol in the symbol table. */
3226 int ignore ATTRIBUTE_UNUSED
;
3232 name
= input_line_pointer
;
3233 endc
= get_symbol_end ();
3235 sym
= symbol_find_or_make (name
);
3237 *input_line_pointer
= endc
;
3239 symbol_get_tc (sym
)->output
= 1;
3241 demand_empty_rest_of_line ();
3244 /* The .rename pseudo-op. The RS/6000 assembler can rename symbols,
3245 although I don't know why it bothers. */
3249 int ignore ATTRIBUTE_UNUSED
;
3256 name
= input_line_pointer
;
3257 endc
= get_symbol_end ();
3259 sym
= symbol_find_or_make (name
);
3261 *input_line_pointer
= endc
;
3263 if (*input_line_pointer
!= ',')
3265 as_bad (_("missing rename string"));
3266 ignore_rest_of_line ();
3269 ++input_line_pointer
;
3271 symbol_get_tc (sym
)->real_name
= demand_copy_C_string (&len
);
3273 demand_empty_rest_of_line ();
3276 /* The .stabx pseudo-op. This is similar to a normal .stabs
3277 pseudo-op, but slightly different. A sample is
3278 .stabx "main:F-1",.main,142,0
3279 The first argument is the symbol name to create. The second is the
3280 value, and the third is the storage class. The fourth seems to be
3281 always zero, and I am assuming it is the type. */
3285 int ignore ATTRIBUTE_UNUSED
;
3292 name
= demand_copy_C_string (&len
);
3294 if (*input_line_pointer
!= ',')
3296 as_bad (_("missing value"));
3299 ++input_line_pointer
;
3301 ppc_stab_symbol
= TRUE
;
3302 sym
= symbol_make (name
);
3303 ppc_stab_symbol
= FALSE
;
3305 symbol_get_tc (sym
)->real_name
= name
;
3307 (void) expression (&exp
);
3314 as_bad (_("illegal .stabx expression; zero assumed"));
3315 exp
.X_add_number
= 0;
3318 S_SET_VALUE (sym
, (valueT
) exp
.X_add_number
);
3319 symbol_set_frag (sym
, &zero_address_frag
);
3323 if (S_GET_SEGMENT (exp
.X_add_symbol
) == undefined_section
)
3324 symbol_set_value_expression (sym
, &exp
);
3328 exp
.X_add_number
+ S_GET_VALUE (exp
.X_add_symbol
));
3329 symbol_set_frag (sym
, symbol_get_frag (exp
.X_add_symbol
));
3334 /* The value is some complex expression. This will probably
3335 fail at some later point, but this is probably the right
3336 thing to do here. */
3337 symbol_set_value_expression (sym
, &exp
);
3341 S_SET_SEGMENT (sym
, ppc_coff_debug_section
);
3342 symbol_get_bfdsym (sym
)->flags
|= BSF_DEBUGGING
;
3344 if (*input_line_pointer
!= ',')
3346 as_bad (_("missing class"));
3349 ++input_line_pointer
;
3351 S_SET_STORAGE_CLASS (sym
, get_absolute_expression ());
3353 if (*input_line_pointer
!= ',')
3355 as_bad (_("missing type"));
3358 ++input_line_pointer
;
3360 S_SET_DATA_TYPE (sym
, get_absolute_expression ());
3362 symbol_get_tc (sym
)->output
= 1;
3364 if (S_GET_STORAGE_CLASS (sym
) == C_STSYM
) {
3366 symbol_get_tc (sym
)->within
= ppc_current_block
;
3371 .stabx "z",arrays_,133,0
3374 .comm arrays_,13768,3
3376 resolve_symbol_value will copy the exp's "within" into sym's when the
3377 offset is 0. Since this seems to be corner case problem,
3378 only do the correction for storage class C_STSYM. A better solution
3379 would be to have the tc field updated in ppc_symbol_new_hook. */
3381 if (exp
.X_op
== O_symbol
)
3383 symbol_get_tc (exp
.X_add_symbol
)->within
= ppc_current_block
;
3387 if (exp
.X_op
!= O_symbol
3388 || ! S_IS_EXTERNAL (exp
.X_add_symbol
)
3389 || S_GET_SEGMENT (exp
.X_add_symbol
) != bss_section
)
3390 ppc_frob_label (sym
);
3393 symbol_remove (sym
, &symbol_rootP
, &symbol_lastP
);
3394 symbol_append (sym
, exp
.X_add_symbol
, &symbol_rootP
, &symbol_lastP
);
3395 if (symbol_get_tc (ppc_current_csect
)->within
== exp
.X_add_symbol
)
3396 symbol_get_tc (ppc_current_csect
)->within
= sym
;
3399 demand_empty_rest_of_line ();
3402 /* The .function pseudo-op. This takes several arguments. The first
3403 argument seems to be the external name of the symbol. The second
3404 argment seems to be the label for the start of the function. gcc
3405 uses the same name for both. I have no idea what the third and
3406 fourth arguments are meant to be. The optional fifth argument is
3407 an expression for the size of the function. In COFF this symbol
3408 gets an aux entry like that used for a csect. */
3411 ppc_function (ignore
)
3412 int ignore ATTRIBUTE_UNUSED
;
3420 name
= input_line_pointer
;
3421 endc
= get_symbol_end ();
3423 /* Ignore any [PR] suffix. */
3424 name
= ppc_canonicalize_symbol_name (name
);
3425 s
= strchr (name
, '[');
3426 if (s
!= (char *) NULL
3427 && strcmp (s
+ 1, "PR]") == 0)
3430 ext_sym
= symbol_find_or_make (name
);
3432 *input_line_pointer
= endc
;
3434 if (*input_line_pointer
!= ',')
3436 as_bad (_("missing symbol name"));
3437 ignore_rest_of_line ();
3440 ++input_line_pointer
;
3442 name
= input_line_pointer
;
3443 endc
= get_symbol_end ();
3445 lab_sym
= symbol_find_or_make (name
);
3447 *input_line_pointer
= endc
;
3449 if (ext_sym
!= lab_sym
)
3453 exp
.X_op
= O_symbol
;
3454 exp
.X_add_symbol
= lab_sym
;
3455 exp
.X_op_symbol
= NULL
;
3456 exp
.X_add_number
= 0;
3458 symbol_set_value_expression (ext_sym
, &exp
);
3461 if (symbol_get_tc (ext_sym
)->class == -1)
3462 symbol_get_tc (ext_sym
)->class = XMC_PR
;
3463 symbol_get_tc (ext_sym
)->output
= 1;
3465 if (*input_line_pointer
== ',')
3469 /* Ignore the third argument. */
3470 ++input_line_pointer
;
3471 expression (&ignore
);
3472 if (*input_line_pointer
== ',')
3474 /* Ignore the fourth argument. */
3475 ++input_line_pointer
;
3476 expression (&ignore
);
3477 if (*input_line_pointer
== ',')
3479 /* The fifth argument is the function size. */
3480 ++input_line_pointer
;
3481 symbol_get_tc (ext_sym
)->size
= symbol_new ("L0\001",
3484 &zero_address_frag
);
3485 pseudo_set (symbol_get_tc (ext_sym
)->size
);
3490 S_SET_DATA_TYPE (ext_sym
, DT_FCN
<< N_BTSHFT
);
3491 SF_SET_FUNCTION (ext_sym
);
3492 SF_SET_PROCESS (ext_sym
);
3493 coff_add_linesym (ext_sym
);
3495 demand_empty_rest_of_line ();
3498 /* The .bf pseudo-op. This is just like a COFF C_FCN symbol named
3499 ".bf". If the pseudo op .bi was seen before .bf, patch the .bi sym
3500 with the correct line number */
3502 static symbolS
*saved_bi_sym
= 0;
3506 int ignore ATTRIBUTE_UNUSED
;
3510 sym
= symbol_make (".bf");
3511 S_SET_SEGMENT (sym
, text_section
);
3512 symbol_set_frag (sym
, frag_now
);
3513 S_SET_VALUE (sym
, frag_now_fix ());
3514 S_SET_STORAGE_CLASS (sym
, C_FCN
);
3516 coff_line_base
= get_absolute_expression ();
3518 S_SET_NUMBER_AUXILIARY (sym
, 1);
3519 SA_SET_SYM_LNNO (sym
, coff_line_base
);
3521 /* Line number for bi. */
3524 S_SET_VALUE (saved_bi_sym
, coff_n_line_nos
);
3529 symbol_get_tc (sym
)->output
= 1;
3531 ppc_frob_label (sym
);
3533 demand_empty_rest_of_line ();
3536 /* The .ef pseudo-op. This is just like a COFF C_FCN symbol named
3537 ".ef", except that the line number is absolute, not relative to the
3538 most recent ".bf" symbol. */
3542 int ignore ATTRIBUTE_UNUSED
;
3546 sym
= symbol_make (".ef");
3547 S_SET_SEGMENT (sym
, text_section
);
3548 symbol_set_frag (sym
, frag_now
);
3549 S_SET_VALUE (sym
, frag_now_fix ());
3550 S_SET_STORAGE_CLASS (sym
, C_FCN
);
3551 S_SET_NUMBER_AUXILIARY (sym
, 1);
3552 SA_SET_SYM_LNNO (sym
, get_absolute_expression ());
3553 symbol_get_tc (sym
)->output
= 1;
3555 ppc_frob_label (sym
);
3557 demand_empty_rest_of_line ();
3560 /* The .bi and .ei pseudo-ops. These take a string argument and
3561 generates a C_BINCL or C_EINCL symbol, which goes at the start of
3562 the symbol list. The value of .bi will be know when the next .bf
3569 static symbolS
*last_biei
;
3576 name
= demand_copy_C_string (&len
);
3578 /* The value of these symbols is actually file offset. Here we set
3579 the value to the index into the line number entries. In
3580 ppc_frob_symbols we set the fix_line field, which will cause BFD
3581 to do the right thing. */
3583 sym
= symbol_make (name
);
3584 /* obj-coff.c currently only handles line numbers correctly in the
3586 S_SET_SEGMENT (sym
, text_section
);
3587 S_SET_VALUE (sym
, coff_n_line_nos
);
3588 symbol_get_bfdsym (sym
)->flags
|= BSF_DEBUGGING
;
3590 S_SET_STORAGE_CLASS (sym
, ei
? C_EINCL
: C_BINCL
);
3591 symbol_get_tc (sym
)->output
= 1;
3599 for (look
= last_biei
? last_biei
: symbol_rootP
;
3600 (look
!= (symbolS
*) NULL
3601 && (S_GET_STORAGE_CLASS (look
) == C_FILE
3602 || S_GET_STORAGE_CLASS (look
) == C_BINCL
3603 || S_GET_STORAGE_CLASS (look
) == C_EINCL
));
3604 look
= symbol_next (look
))
3606 if (look
!= (symbolS
*) NULL
)
3608 symbol_remove (sym
, &symbol_rootP
, &symbol_lastP
);
3609 symbol_insert (sym
, look
, &symbol_rootP
, &symbol_lastP
);
3613 demand_empty_rest_of_line ();
3616 /* The .bs pseudo-op. This generates a C_BSTAT symbol named ".bs".
3617 There is one argument, which is a csect symbol. The value of the
3618 .bs symbol is the index of this csect symbol. */
3622 int ignore ATTRIBUTE_UNUSED
;
3629 if (ppc_current_block
!= NULL
)
3630 as_bad (_("nested .bs blocks"));
3632 name
= input_line_pointer
;
3633 endc
= get_symbol_end ();
3635 csect
= symbol_find_or_make (name
);
3637 *input_line_pointer
= endc
;
3639 sym
= symbol_make (".bs");
3640 S_SET_SEGMENT (sym
, now_seg
);
3641 S_SET_STORAGE_CLASS (sym
, C_BSTAT
);
3642 symbol_get_bfdsym (sym
)->flags
|= BSF_DEBUGGING
;
3643 symbol_get_tc (sym
)->output
= 1;
3645 symbol_get_tc (sym
)->within
= csect
;
3647 ppc_frob_label (sym
);
3649 ppc_current_block
= sym
;
3651 demand_empty_rest_of_line ();
3654 /* The .es pseudo-op. Generate a C_ESTART symbol named .es. */
3658 int ignore ATTRIBUTE_UNUSED
;
3662 if (ppc_current_block
== NULL
)
3663 as_bad (_(".es without preceding .bs"));
3665 sym
= symbol_make (".es");
3666 S_SET_SEGMENT (sym
, now_seg
);
3667 S_SET_STORAGE_CLASS (sym
, C_ESTAT
);
3668 symbol_get_bfdsym (sym
)->flags
|= BSF_DEBUGGING
;
3669 symbol_get_tc (sym
)->output
= 1;
3671 ppc_frob_label (sym
);
3673 ppc_current_block
= NULL
;
3675 demand_empty_rest_of_line ();
3678 /* The .bb pseudo-op. Generate a C_BLOCK symbol named .bb, with a
3683 int ignore ATTRIBUTE_UNUSED
;
3687 sym
= symbol_make (".bb");
3688 S_SET_SEGMENT (sym
, text_section
);
3689 symbol_set_frag (sym
, frag_now
);
3690 S_SET_VALUE (sym
, frag_now_fix ());
3691 S_SET_STORAGE_CLASS (sym
, C_BLOCK
);
3693 S_SET_NUMBER_AUXILIARY (sym
, 1);
3694 SA_SET_SYM_LNNO (sym
, get_absolute_expression ());
3696 symbol_get_tc (sym
)->output
= 1;
3698 SF_SET_PROCESS (sym
);
3700 ppc_frob_label (sym
);
3702 demand_empty_rest_of_line ();
3705 /* The .eb pseudo-op. Generate a C_BLOCK symbol named .eb, with a
3710 int ignore ATTRIBUTE_UNUSED
;
3714 sym
= symbol_make (".eb");
3715 S_SET_SEGMENT (sym
, text_section
);
3716 symbol_set_frag (sym
, frag_now
);
3717 S_SET_VALUE (sym
, frag_now_fix ());
3718 S_SET_STORAGE_CLASS (sym
, C_BLOCK
);
3719 S_SET_NUMBER_AUXILIARY (sym
, 1);
3720 SA_SET_SYM_LNNO (sym
, get_absolute_expression ());
3721 symbol_get_tc (sym
)->output
= 1;
3723 SF_SET_PROCESS (sym
);
3725 ppc_frob_label (sym
);
3727 demand_empty_rest_of_line ();
3730 /* The .bc pseudo-op. This just creates a C_BCOMM symbol with a
3735 int ignore ATTRIBUTE_UNUSED
;
3741 name
= demand_copy_C_string (&len
);
3742 sym
= symbol_make (name
);
3743 S_SET_SEGMENT (sym
, ppc_coff_debug_section
);
3744 symbol_get_bfdsym (sym
)->flags
|= BSF_DEBUGGING
;
3745 S_SET_STORAGE_CLASS (sym
, C_BCOMM
);
3746 S_SET_VALUE (sym
, 0);
3747 symbol_get_tc (sym
)->output
= 1;
3749 ppc_frob_label (sym
);
3751 demand_empty_rest_of_line ();
3754 /* The .ec pseudo-op. This just creates a C_ECOMM symbol. */
3758 int ignore ATTRIBUTE_UNUSED
;
3762 sym
= symbol_make (".ec");
3763 S_SET_SEGMENT (sym
, ppc_coff_debug_section
);
3764 symbol_get_bfdsym (sym
)->flags
|= BSF_DEBUGGING
;
3765 S_SET_STORAGE_CLASS (sym
, C_ECOMM
);
3766 S_SET_VALUE (sym
, 0);
3767 symbol_get_tc (sym
)->output
= 1;
3769 ppc_frob_label (sym
);
3771 demand_empty_rest_of_line ();
3774 /* The .toc pseudo-op. Switch to the .toc subsegment. */
3778 int ignore ATTRIBUTE_UNUSED
;
3780 if (ppc_toc_csect
!= (symbolS
*) NULL
)
3781 subseg_set (data_section
, symbol_get_tc (ppc_toc_csect
)->subseg
);
3788 subseg
= ppc_data_subsegment
;
3789 ++ppc_data_subsegment
;
3791 subseg_new (segment_name (data_section
), subseg
);
3792 ppc_toc_frag
= frag_now
;
3794 sym
= symbol_find_or_make ("TOC[TC0]");
3795 symbol_set_frag (sym
, frag_now
);
3796 S_SET_SEGMENT (sym
, data_section
);
3797 S_SET_VALUE (sym
, (valueT
) frag_now_fix ());
3798 symbol_get_tc (sym
)->subseg
= subseg
;
3799 symbol_get_tc (sym
)->output
= 1;
3800 symbol_get_tc (sym
)->within
= sym
;
3802 ppc_toc_csect
= sym
;
3804 for (list
= ppc_data_csects
;
3805 symbol_get_tc (list
)->next
!= (symbolS
*) NULL
;
3806 list
= symbol_get_tc (list
)->next
)
3808 symbol_get_tc (list
)->next
= sym
;
3810 symbol_remove (sym
, &symbol_rootP
, &symbol_lastP
);
3811 symbol_append (sym
, symbol_get_tc (list
)->within
, &symbol_rootP
,
3815 ppc_current_csect
= ppc_toc_csect
;
3817 demand_empty_rest_of_line ();
3820 /* The AIX assembler automatically aligns the operands of a .long or
3821 .short pseudo-op, and we want to be compatible. */
3824 ppc_xcoff_cons (log_size
)
3827 frag_align (log_size
, 0, 0);
3828 record_alignment (now_seg
, log_size
);
3829 cons (1 << log_size
);
3834 int dummy ATTRIBUTE_UNUSED
;
3839 (void) expression (&exp
);
3841 if (exp
.X_op
!= O_constant
)
3843 as_bad (_("non-constant byte count"));
3847 byte_count
= exp
.X_add_number
;
3849 if (*input_line_pointer
!= ',')
3851 as_bad (_("missing value"));
3855 ++input_line_pointer
;
3859 #endif /* OBJ_XCOFF */
3860 #if defined (OBJ_XCOFF) || defined (OBJ_ELF)
3862 /* The .tc pseudo-op. This is used when generating either XCOFF or
3863 ELF. This takes two or more arguments.
3865 When generating XCOFF output, the first argument is the name to
3866 give to this location in the toc; this will be a symbol with class
3867 TC. The rest of the arguments are N-byte values to actually put at
3868 this location in the TOC; often there is just one more argument, a
3869 relocatable symbol reference. The size of the value to store
3870 depends on target word size. A 32-bit target uses 4-byte values, a
3871 64-bit target uses 8-byte values.
3873 When not generating XCOFF output, the arguments are the same, but
3874 the first argument is simply ignored. */
3878 int ignore ATTRIBUTE_UNUSED
;
3882 /* Define the TOC symbol name. */
3888 if (ppc_toc_csect
== (symbolS
*) NULL
3889 || ppc_toc_csect
!= ppc_current_csect
)
3891 as_bad (_(".tc not in .toc section"));
3892 ignore_rest_of_line ();
3896 name
= input_line_pointer
;
3897 endc
= get_symbol_end ();
3899 sym
= symbol_find_or_make (name
);
3901 *input_line_pointer
= endc
;
3903 if (S_IS_DEFINED (sym
))
3907 label
= symbol_get_tc (ppc_current_csect
)->within
;
3908 if (symbol_get_tc (label
)->class != XMC_TC0
)
3910 as_bad (_(".tc with no label"));
3911 ignore_rest_of_line ();
3915 S_SET_SEGMENT (label
, S_GET_SEGMENT (sym
));
3916 symbol_set_frag (label
, symbol_get_frag (sym
));
3917 S_SET_VALUE (label
, S_GET_VALUE (sym
));
3919 while (! is_end_of_line
[(unsigned char) *input_line_pointer
])
3920 ++input_line_pointer
;
3925 S_SET_SEGMENT (sym
, now_seg
);
3926 symbol_set_frag (sym
, frag_now
);
3927 S_SET_VALUE (sym
, (valueT
) frag_now_fix ());
3928 symbol_get_tc (sym
)->class = XMC_TC
;
3929 symbol_get_tc (sym
)->output
= 1;
3931 ppc_frob_label (sym
);
3934 #endif /* OBJ_XCOFF */
3938 /* Skip the TOC symbol name. */
3939 while (is_part_of_name (*input_line_pointer
)
3940 || *input_line_pointer
== '['
3941 || *input_line_pointer
== ']'
3942 || *input_line_pointer
== '{'
3943 || *input_line_pointer
== '}')
3944 ++input_line_pointer
;
3946 /* Align to a four/eight byte boundary. */
3947 align
= ppc_obj64
? 3 : 2;
3948 frag_align (align
, 0, 0);
3949 record_alignment (now_seg
, align
);
3950 #endif /* OBJ_ELF */
3952 if (*input_line_pointer
!= ',')
3953 demand_empty_rest_of_line ();
3956 ++input_line_pointer
;
3957 cons (ppc_obj64
? 8 : 4);
3961 /* Pseudo-op .machine. */
3962 /* FIXME: `.machine' is a nop for the moment. It would be nice to
3963 accept this directive on the first line of input and set ppc_obj64
3964 and the target format accordingly. Unfortunately, the target
3965 format is selected in output-file.c:output_file_create before we
3966 even get to md_begin, so it's not possible without changing
3970 ppc_machine (ignore
)
3971 int ignore ATTRIBUTE_UNUSED
;
3973 discard_rest_of_line ();
3976 /* See whether a symbol is in the TOC section. */
3979 ppc_is_toc_sym (sym
)
3983 return symbol_get_tc (sym
)->class == XMC_TC
;
3986 const char *sname
= segment_name (S_GET_SEGMENT (sym
));
3988 return strcmp (sname
, ".toc") == 0;
3990 return strcmp (sname
, ".got") == 0;
3993 #endif /* defined (OBJ_XCOFF) || defined (OBJ_ELF) */
3997 /* Pseudo-ops specific to the Windows NT PowerPC PE (coff) format. */
3999 /* Set the current section. */
4001 ppc_set_current_section (new)
4004 ppc_previous_section
= ppc_current_section
;
4005 ppc_current_section
= new;
4008 /* pseudo-op: .previous
4009 behaviour: toggles the current section with the previous section.
4011 warnings: "No previous section" */
4014 ppc_previous (ignore
)
4015 int ignore ATTRIBUTE_UNUSED
;
4019 if (ppc_previous_section
== NULL
)
4021 as_warn (_("No previous section to return to. Directive ignored."));
4025 subseg_set (ppc_previous_section
, 0);
4027 ppc_set_current_section (ppc_previous_section
);
4030 /* pseudo-op: .pdata
4031 behaviour: predefined read only data section
4035 initial: .section .pdata "adr3"
4036 a - don't know -- maybe a misprint
4037 d - initialized data
4039 3 - double word aligned (that would be 4 byte boundary)
4042 Tag index tables (also known as the function table) for exception
4043 handling, debugging, etc. */
4047 int ignore ATTRIBUTE_UNUSED
;
4049 if (pdata_section
== 0)
4051 pdata_section
= subseg_new (".pdata", 0);
4053 bfd_set_section_flags (stdoutput
, pdata_section
,
4054 (SEC_ALLOC
| SEC_LOAD
| SEC_RELOC
4055 | SEC_READONLY
| SEC_DATA
));
4057 bfd_set_section_alignment (stdoutput
, pdata_section
, 2);
4061 pdata_section
= subseg_new (".pdata", 0);
4063 ppc_set_current_section (pdata_section
);
4066 /* pseudo-op: .ydata
4067 behaviour: predefined read only data section
4071 initial: .section .ydata "drw3"
4072 a - don't know -- maybe a misprint
4073 d - initialized data
4075 3 - double word aligned (that would be 4 byte boundary)
4077 Tag tables (also known as the scope table) for exception handling,
4082 int ignore ATTRIBUTE_UNUSED
;
4084 if (ydata_section
== 0)
4086 ydata_section
= subseg_new (".ydata", 0);
4087 bfd_set_section_flags (stdoutput
, ydata_section
,
4088 (SEC_ALLOC
| SEC_LOAD
| SEC_RELOC
4089 | SEC_READONLY
| SEC_DATA
));
4091 bfd_set_section_alignment (stdoutput
, ydata_section
, 3);
4095 ydata_section
= subseg_new (".ydata", 0);
4097 ppc_set_current_section (ydata_section
);
4100 /* pseudo-op: .reldata
4101 behaviour: predefined read write data section
4102 double word aligned (4-byte)
4103 FIXME: relocation is applied to it
4104 FIXME: what's the difference between this and .data?
4107 initial: .section .reldata "drw3"
4108 d - initialized data
4111 3 - double word aligned (that would be 8 byte boundary)
4114 Like .data, but intended to hold data subject to relocation, such as
4115 function descriptors, etc. */
4118 ppc_reldata (ignore
)
4119 int ignore ATTRIBUTE_UNUSED
;
4121 if (reldata_section
== 0)
4123 reldata_section
= subseg_new (".reldata", 0);
4125 bfd_set_section_flags (stdoutput
, reldata_section
,
4126 (SEC_ALLOC
| SEC_LOAD
| SEC_RELOC
4129 bfd_set_section_alignment (stdoutput
, reldata_section
, 2);
4133 reldata_section
= subseg_new (".reldata", 0);
4135 ppc_set_current_section (reldata_section
);
4138 /* pseudo-op: .rdata
4139 behaviour: predefined read only data section
4143 initial: .section .rdata "dr3"
4144 d - initialized data
4146 3 - double word aligned (that would be 4 byte boundary) */
4150 int ignore ATTRIBUTE_UNUSED
;
4152 if (rdata_section
== 0)
4154 rdata_section
= subseg_new (".rdata", 0);
4155 bfd_set_section_flags (stdoutput
, rdata_section
,
4156 (SEC_ALLOC
| SEC_LOAD
| SEC_RELOC
4157 | SEC_READONLY
| SEC_DATA
));
4159 bfd_set_section_alignment (stdoutput
, rdata_section
, 2);
4163 rdata_section
= subseg_new (".rdata", 0);
4165 ppc_set_current_section (rdata_section
);
4168 /* pseudo-op: .ualong
4169 behaviour: much like .int, with the exception that no alignment is
4171 FIXME: test the alignment statement
4177 int ignore ATTRIBUTE_UNUSED
;
4183 /* pseudo-op: .znop <symbol name>
4184 behaviour: Issue a nop instruction
4185 Issue a IMAGE_REL_PPC_IFGLUE relocation against it, using
4186 the supplied symbol name.
4188 warnings: Missing symbol name */
4192 int ignore ATTRIBUTE_UNUSED
;
4195 const struct powerpc_opcode
*opcode
;
4206 /* Strip out the symbol name. */
4207 symbol_name
= input_line_pointer
;
4208 c
= get_symbol_end ();
4210 name
= xmalloc (input_line_pointer
- symbol_name
+ 1);
4211 strcpy (name
, symbol_name
);
4213 sym
= symbol_find_or_make (name
);
4215 *input_line_pointer
= c
;
4219 /* Look up the opcode in the hash table. */
4220 opcode
= (const struct powerpc_opcode
*) hash_find (ppc_hash
, "nop");
4222 /* Stick in the nop. */
4223 insn
= opcode
->opcode
;
4225 /* Write out the instruction. */
4227 md_number_to_chars (f
, insn
, 4);
4229 f
- frag_now
->fr_literal
,
4234 BFD_RELOC_16_GOT_PCREL
);
4247 register char *name
;
4251 register symbolS
*symbolP
;
4254 name
= input_line_pointer
;
4255 c
= get_symbol_end ();
4257 /* just after name is now '\0'. */
4258 p
= input_line_pointer
;
4261 if (*input_line_pointer
!= ',')
4263 as_bad (_("Expected comma after symbol-name: rest of line ignored."));
4264 ignore_rest_of_line ();
4268 input_line_pointer
++; /* skip ',' */
4269 if ((temp
= get_absolute_expression ()) < 0)
4271 as_warn (_(".COMMon length (%ld.) <0! Ignored."), (long) temp
);
4272 ignore_rest_of_line ();
4278 /* The third argument to .comm is the alignment. */
4279 if (*input_line_pointer
!= ',')
4283 ++input_line_pointer
;
4284 align
= get_absolute_expression ();
4287 as_warn (_("ignoring bad alignment"));
4294 symbolP
= symbol_find_or_make (name
);
4297 if (S_IS_DEFINED (symbolP
) && ! S_IS_COMMON (symbolP
))
4299 as_bad (_("Ignoring attempt to re-define symbol `%s'."),
4300 S_GET_NAME (symbolP
));
4301 ignore_rest_of_line ();
4305 if (S_GET_VALUE (symbolP
))
4307 if (S_GET_VALUE (symbolP
) != (valueT
) temp
)
4308 as_bad (_("Length of .comm \"%s\" is already %ld. Not changed to %ld."),
4309 S_GET_NAME (symbolP
),
4310 (long) S_GET_VALUE (symbolP
),
4315 S_SET_VALUE (symbolP
, (valueT
) temp
);
4316 S_SET_EXTERNAL (symbolP
);
4319 demand_empty_rest_of_line ();
4323 * implement the .section pseudo op:
4324 * .section name {, "flags"}
4326 * | +--- optional flags: 'b' for bss
4328 * +-- section name 'l' for lib
4332 * 'd' (apparently m88k for data)
4334 * But if the argument is not a quoted string, treat it as a
4335 * subsegment number.
4337 * FIXME: this is a copy of the section processing from obj-coff.c, with
4338 * additions/changes for the moto-pas assembler support. There are three
4341 * FIXME: I just noticed this. This doesn't work at all really. It it
4342 * setting bits that bfd probably neither understands or uses. The
4343 * correct approach (?) will have to incorporate extra fields attached
4344 * to the section to hold the system specific stuff. (krk)
4347 * 'a' - unknown - referred to in documentation, but no definition supplied
4348 * 'c' - section has code
4349 * 'd' - section has initialized data
4350 * 'u' - section has uninitialized data
4351 * 'i' - section contains directives (info)
4352 * 'n' - section can be discarded
4353 * 'R' - remove section at link time
4355 * Section Protection:
4356 * 'r' - section is readable
4357 * 'w' - section is writeable
4358 * 'x' - section is executable
4359 * 's' - section is sharable
4361 * Section Alignment:
4362 * '0' - align to byte boundary
4363 * '1' - align to halfword undary
4364 * '2' - align to word boundary
4365 * '3' - align to doubleword boundary
4366 * '4' - align to quadword boundary
4367 * '5' - align to 32 byte boundary
4368 * '6' - align to 64 byte boundary
4373 ppc_pe_section (ignore
)
4374 int ignore ATTRIBUTE_UNUSED
;
4376 /* Strip out the section name. */
4385 section_name
= input_line_pointer
;
4386 c
= get_symbol_end ();
4388 name
= xmalloc (input_line_pointer
- section_name
+ 1);
4389 strcpy (name
, section_name
);
4391 *input_line_pointer
= c
;
4396 flags
= SEC_NO_FLAGS
;
4398 if (strcmp (name
, ".idata$2") == 0)
4402 else if (strcmp (name
, ".idata$3") == 0)
4406 else if (strcmp (name
, ".idata$4") == 0)
4410 else if (strcmp (name
, ".idata$5") == 0)
4414 else if (strcmp (name
, ".idata$6") == 0)
4419 /* Default alignment to 16 byte boundary. */
4422 if (*input_line_pointer
== ',')
4424 ++input_line_pointer
;
4426 if (*input_line_pointer
!= '"')
4427 exp
= get_absolute_expression ();
4430 ++input_line_pointer
;
4431 while (*input_line_pointer
!= '"'
4432 && ! is_end_of_line
[(unsigned char) *input_line_pointer
])
4434 switch (*input_line_pointer
)
4436 /* Section Contents */
4437 case 'a': /* unknown */
4438 as_bad (_("Unsupported section attribute -- 'a'"));
4440 case 'c': /* code section */
4443 case 'd': /* section has initialized data */
4446 case 'u': /* section has uninitialized data */
4447 /* FIXME: This is IMAGE_SCN_CNT_UNINITIALIZED_DATA
4451 case 'i': /* section contains directives (info) */
4452 /* FIXME: This is IMAGE_SCN_LNK_INFO
4454 flags
|= SEC_HAS_CONTENTS
;
4456 case 'n': /* section can be discarded */
4459 case 'R': /* Remove section at link time */
4460 flags
|= SEC_NEVER_LOAD
;
4463 /* Section Protection */
4464 case 'r': /* section is readable */
4465 flags
|= IMAGE_SCN_MEM_READ
;
4467 case 'w': /* section is writeable */
4468 flags
|= IMAGE_SCN_MEM_WRITE
;
4470 case 'x': /* section is executable */
4471 flags
|= IMAGE_SCN_MEM_EXECUTE
;
4473 case 's': /* section is sharable */
4474 flags
|= IMAGE_SCN_MEM_SHARED
;
4477 /* Section Alignment */
4478 case '0': /* align to byte boundary */
4479 flags
|= IMAGE_SCN_ALIGN_1BYTES
;
4482 case '1': /* align to halfword boundary */
4483 flags
|= IMAGE_SCN_ALIGN_2BYTES
;
4486 case '2': /* align to word boundary */
4487 flags
|= IMAGE_SCN_ALIGN_4BYTES
;
4490 case '3': /* align to doubleword boundary */
4491 flags
|= IMAGE_SCN_ALIGN_8BYTES
;
4494 case '4': /* align to quadword boundary */
4495 flags
|= IMAGE_SCN_ALIGN_16BYTES
;
4498 case '5': /* align to 32 byte boundary */
4499 flags
|= IMAGE_SCN_ALIGN_32BYTES
;
4502 case '6': /* align to 64 byte boundary */
4503 flags
|= IMAGE_SCN_ALIGN_64BYTES
;
4508 as_bad (_("unknown section attribute '%c'"),
4509 *input_line_pointer
);
4512 ++input_line_pointer
;
4514 if (*input_line_pointer
== '"')
4515 ++input_line_pointer
;
4519 sec
= subseg_new (name
, (subsegT
) exp
);
4521 ppc_set_current_section (sec
);
4523 if (flags
!= SEC_NO_FLAGS
)
4525 if (! bfd_set_section_flags (stdoutput
, sec
, flags
))
4526 as_bad (_("error setting flags for \"%s\": %s"),
4527 bfd_section_name (stdoutput
, sec
),
4528 bfd_errmsg (bfd_get_error ()));
4531 bfd_set_section_alignment (stdoutput
, sec
, align
);
4536 ppc_pe_function (ignore
)
4537 int ignore ATTRIBUTE_UNUSED
;
4543 name
= input_line_pointer
;
4544 endc
= get_symbol_end ();
4546 ext_sym
= symbol_find_or_make (name
);
4548 *input_line_pointer
= endc
;
4550 S_SET_DATA_TYPE (ext_sym
, DT_FCN
<< N_BTSHFT
);
4551 SF_SET_FUNCTION (ext_sym
);
4552 SF_SET_PROCESS (ext_sym
);
4553 coff_add_linesym (ext_sym
);
4555 demand_empty_rest_of_line ();
4559 ppc_pe_tocd (ignore
)
4560 int ignore ATTRIBUTE_UNUSED
;
4562 if (tocdata_section
== 0)
4564 tocdata_section
= subseg_new (".tocd", 0);
4565 /* FIXME: section flags won't work. */
4566 bfd_set_section_flags (stdoutput
, tocdata_section
,
4567 (SEC_ALLOC
| SEC_LOAD
| SEC_RELOC
4568 | SEC_READONLY
| SEC_DATA
));
4570 bfd_set_section_alignment (stdoutput
, tocdata_section
, 2);
4574 rdata_section
= subseg_new (".tocd", 0);
4577 ppc_set_current_section (tocdata_section
);
4579 demand_empty_rest_of_line ();
4582 /* Don't adjust TOC relocs to use the section symbol. */
4585 ppc_pe_fix_adjustable (fix
)
4588 return fix
->fx_r_type
!= BFD_RELOC_PPC_TOC16
;
4595 /* XCOFF specific symbol and file handling. */
4597 /* Canonicalize the symbol name. We use the to force the suffix, if
4598 any, to use square brackets, and to be in upper case. */
4601 ppc_canonicalize_symbol_name (name
)
4606 if (ppc_stab_symbol
)
4609 for (s
= name
; *s
!= '\0' && *s
!= '{' && *s
!= '['; s
++)
4623 for (s
++; *s
!= '\0' && *s
!= brac
; s
++)
4626 if (*s
== '\0' || s
[1] != '\0')
4627 as_bad (_("bad symbol suffix"));
4635 /* Set the class of a symbol based on the suffix, if any. This is
4636 called whenever a new symbol is created. */
4639 ppc_symbol_new_hook (sym
)
4642 struct ppc_tc_sy
*tc
;
4645 tc
= symbol_get_tc (sym
);
4649 tc
->real_name
= NULL
;
4655 if (ppc_stab_symbol
)
4658 s
= strchr (S_GET_NAME (sym
), '[');
4659 if (s
== (const char *) NULL
)
4661 /* There is no suffix. */
4670 if (strcmp (s
, "BS]") == 0)
4674 if (strcmp (s
, "DB]") == 0)
4676 else if (strcmp (s
, "DS]") == 0)
4680 if (strcmp (s
, "GL]") == 0)
4684 if (strcmp (s
, "PR]") == 0)
4688 if (strcmp (s
, "RO]") == 0)
4690 else if (strcmp (s
, "RW]") == 0)
4694 if (strcmp (s
, "SV]") == 0)
4698 if (strcmp (s
, "TC]") == 0)
4700 else if (strcmp (s
, "TI]") == 0)
4702 else if (strcmp (s
, "TB]") == 0)
4704 else if (strcmp (s
, "TC0]") == 0 || strcmp (s
, "T0]") == 0)
4705 tc
->class = XMC_TC0
;
4708 if (strcmp (s
, "UA]") == 0)
4710 else if (strcmp (s
, "UC]") == 0)
4714 if (strcmp (s
, "XO]") == 0)
4719 if (tc
->class == -1)
4720 as_bad (_("Unrecognized symbol suffix"));
4723 /* Set the class of a label based on where it is defined. This
4724 handles symbols without suffixes. Also, move the symbol so that it
4725 follows the csect symbol. */
4728 ppc_frob_label (sym
)
4731 if (ppc_current_csect
!= (symbolS
*) NULL
)
4733 if (symbol_get_tc (sym
)->class == -1)
4734 symbol_get_tc (sym
)->class = symbol_get_tc (ppc_current_csect
)->class;
4736 symbol_remove (sym
, &symbol_rootP
, &symbol_lastP
);
4737 symbol_append (sym
, symbol_get_tc (ppc_current_csect
)->within
,
4738 &symbol_rootP
, &symbol_lastP
);
4739 symbol_get_tc (ppc_current_csect
)->within
= sym
;
4743 /* This variable is set by ppc_frob_symbol if any absolute symbols are
4744 seen. It tells ppc_adjust_symtab whether it needs to look through
4747 static bfd_boolean ppc_saw_abs
;
4749 /* Change the name of a symbol just before writing it out. Set the
4750 real name if the .rename pseudo-op was used. Otherwise, remove any
4751 class suffix. Return 1 if the symbol should not be included in the
4755 ppc_frob_symbol (sym
)
4758 static symbolS
*ppc_last_function
;
4759 static symbolS
*set_end
;
4761 /* Discard symbols that should not be included in the output symbol
4763 if (! symbol_used_in_reloc_p (sym
)
4764 && ((symbol_get_bfdsym (sym
)->flags
& BSF_SECTION_SYM
) != 0
4765 || (! S_IS_EXTERNAL (sym
)
4766 && ! symbol_get_tc (sym
)->output
4767 && S_GET_STORAGE_CLASS (sym
) != C_FILE
)))
4770 /* This one will disappear anyway. Don't make a csect sym for it. */
4771 if (sym
== abs_section_sym
)
4774 if (symbol_get_tc (sym
)->real_name
!= (char *) NULL
)
4775 S_SET_NAME (sym
, symbol_get_tc (sym
)->real_name
);
4781 name
= S_GET_NAME (sym
);
4782 s
= strchr (name
, '[');
4783 if (s
!= (char *) NULL
)
4789 snew
= xmalloc (len
+ 1);
4790 memcpy (snew
, name
, len
);
4793 S_SET_NAME (sym
, snew
);
4797 if (set_end
!= (symbolS
*) NULL
)
4799 SA_SET_SYM_ENDNDX (set_end
, sym
);
4803 if (SF_GET_FUNCTION (sym
))
4805 if (ppc_last_function
!= (symbolS
*) NULL
)
4806 as_bad (_("two .function pseudo-ops with no intervening .ef"));
4807 ppc_last_function
= sym
;
4808 if (symbol_get_tc (sym
)->size
!= (symbolS
*) NULL
)
4810 resolve_symbol_value (symbol_get_tc (sym
)->size
);
4811 SA_SET_SYM_FSIZE (sym
,
4812 (long) S_GET_VALUE (symbol_get_tc (sym
)->size
));
4815 else if (S_GET_STORAGE_CLASS (sym
) == C_FCN
4816 && strcmp (S_GET_NAME (sym
), ".ef") == 0)
4818 if (ppc_last_function
== (symbolS
*) NULL
)
4819 as_bad (_(".ef with no preceding .function"));
4822 set_end
= ppc_last_function
;
4823 ppc_last_function
= NULL
;
4825 /* We don't have a C_EFCN symbol, but we need to force the
4826 COFF backend to believe that it has seen one. */
4827 coff_last_function
= NULL
;
4831 if (! S_IS_EXTERNAL (sym
)
4832 && (symbol_get_bfdsym (sym
)->flags
& BSF_SECTION_SYM
) == 0
4833 && S_GET_STORAGE_CLASS (sym
) != C_FILE
4834 && S_GET_STORAGE_CLASS (sym
) != C_FCN
4835 && S_GET_STORAGE_CLASS (sym
) != C_BLOCK
4836 && S_GET_STORAGE_CLASS (sym
) != C_BSTAT
4837 && S_GET_STORAGE_CLASS (sym
) != C_ESTAT
4838 && S_GET_STORAGE_CLASS (sym
) != C_BINCL
4839 && S_GET_STORAGE_CLASS (sym
) != C_EINCL
4840 && S_GET_SEGMENT (sym
) != ppc_coff_debug_section
)
4841 S_SET_STORAGE_CLASS (sym
, C_HIDEXT
);
4843 if (S_GET_STORAGE_CLASS (sym
) == C_EXT
4844 || S_GET_STORAGE_CLASS (sym
) == C_HIDEXT
)
4847 union internal_auxent
*a
;
4849 /* Create a csect aux. */
4850 i
= S_GET_NUMBER_AUXILIARY (sym
);
4851 S_SET_NUMBER_AUXILIARY (sym
, i
+ 1);
4852 a
= &coffsymbol (symbol_get_bfdsym (sym
))->native
[i
+ 1].u
.auxent
;
4853 if (symbol_get_tc (sym
)->class == XMC_TC0
)
4855 /* This is the TOC table. */
4856 know (strcmp (S_GET_NAME (sym
), "TOC") == 0);
4857 a
->x_csect
.x_scnlen
.l
= 0;
4858 a
->x_csect
.x_smtyp
= (2 << 3) | XTY_SD
;
4860 else if (symbol_get_tc (sym
)->subseg
!= 0)
4862 /* This is a csect symbol. x_scnlen is the size of the
4864 if (symbol_get_tc (sym
)->next
== (symbolS
*) NULL
)
4865 a
->x_csect
.x_scnlen
.l
= (bfd_section_size (stdoutput
,
4866 S_GET_SEGMENT (sym
))
4867 - S_GET_VALUE (sym
));
4870 resolve_symbol_value (symbol_get_tc (sym
)->next
);
4871 a
->x_csect
.x_scnlen
.l
= (S_GET_VALUE (symbol_get_tc (sym
)->next
)
4872 - S_GET_VALUE (sym
));
4874 a
->x_csect
.x_smtyp
= (symbol_get_tc (sym
)->align
<< 3) | XTY_SD
;
4876 else if (S_GET_SEGMENT (sym
) == bss_section
)
4878 /* This is a common symbol. */
4879 a
->x_csect
.x_scnlen
.l
= symbol_get_frag (sym
)->fr_offset
;
4880 a
->x_csect
.x_smtyp
= (symbol_get_tc (sym
)->align
<< 3) | XTY_CM
;
4881 if (S_IS_EXTERNAL (sym
))
4882 symbol_get_tc (sym
)->class = XMC_RW
;
4884 symbol_get_tc (sym
)->class = XMC_BS
;
4886 else if (S_GET_SEGMENT (sym
) == absolute_section
)
4888 /* This is an absolute symbol. The csect will be created by
4889 ppc_adjust_symtab. */
4891 a
->x_csect
.x_smtyp
= XTY_LD
;
4892 if (symbol_get_tc (sym
)->class == -1)
4893 symbol_get_tc (sym
)->class = XMC_XO
;
4895 else if (! S_IS_DEFINED (sym
))
4897 /* This is an external symbol. */
4898 a
->x_csect
.x_scnlen
.l
= 0;
4899 a
->x_csect
.x_smtyp
= XTY_ER
;
4901 else if (symbol_get_tc (sym
)->class == XMC_TC
)
4905 /* This is a TOC definition. x_scnlen is the size of the
4907 next
= symbol_next (sym
);
4908 while (symbol_get_tc (next
)->class == XMC_TC0
)
4909 next
= symbol_next (next
);
4910 if (next
== (symbolS
*) NULL
4911 || symbol_get_tc (next
)->class != XMC_TC
)
4913 if (ppc_after_toc_frag
== (fragS
*) NULL
)
4914 a
->x_csect
.x_scnlen
.l
= (bfd_section_size (stdoutput
,
4916 - S_GET_VALUE (sym
));
4918 a
->x_csect
.x_scnlen
.l
= (ppc_after_toc_frag
->fr_address
4919 - S_GET_VALUE (sym
));
4923 resolve_symbol_value (next
);
4924 a
->x_csect
.x_scnlen
.l
= (S_GET_VALUE (next
)
4925 - S_GET_VALUE (sym
));
4927 a
->x_csect
.x_smtyp
= (2 << 3) | XTY_SD
;
4933 /* This is a normal symbol definition. x_scnlen is the
4934 symbol index of the containing csect. */
4935 if (S_GET_SEGMENT (sym
) == text_section
)
4936 csect
= ppc_text_csects
;
4937 else if (S_GET_SEGMENT (sym
) == data_section
)
4938 csect
= ppc_data_csects
;
4942 /* Skip the initial dummy symbol. */
4943 csect
= symbol_get_tc (csect
)->next
;
4945 if (csect
== (symbolS
*) NULL
)
4947 as_warn (_("warning: symbol %s has no csect"), S_GET_NAME (sym
));
4948 a
->x_csect
.x_scnlen
.l
= 0;
4952 while (symbol_get_tc (csect
)->next
!= (symbolS
*) NULL
)
4954 resolve_symbol_value (symbol_get_tc (csect
)->next
);
4955 if (S_GET_VALUE (symbol_get_tc (csect
)->next
)
4956 > S_GET_VALUE (sym
))
4958 csect
= symbol_get_tc (csect
)->next
;
4961 a
->x_csect
.x_scnlen
.p
=
4962 coffsymbol (symbol_get_bfdsym (csect
))->native
;
4963 coffsymbol (symbol_get_bfdsym (sym
))->native
[i
+ 1].fix_scnlen
=
4966 a
->x_csect
.x_smtyp
= XTY_LD
;
4969 a
->x_csect
.x_parmhash
= 0;
4970 a
->x_csect
.x_snhash
= 0;
4971 if (symbol_get_tc (sym
)->class == -1)
4972 a
->x_csect
.x_smclas
= XMC_PR
;
4974 a
->x_csect
.x_smclas
= symbol_get_tc (sym
)->class;
4975 a
->x_csect
.x_stab
= 0;
4976 a
->x_csect
.x_snstab
= 0;
4978 /* Don't let the COFF backend resort these symbols. */
4979 symbol_get_bfdsym (sym
)->flags
|= BSF_NOT_AT_END
;
4981 else if (S_GET_STORAGE_CLASS (sym
) == C_BSTAT
)
4983 /* We want the value to be the symbol index of the referenced
4984 csect symbol. BFD will do that for us if we set the right
4986 asymbol
*bsym
= symbol_get_bfdsym (symbol_get_tc (sym
)->within
);
4987 combined_entry_type
*c
= coffsymbol (bsym
)->native
;
4989 S_SET_VALUE (sym
, (valueT
) (size_t) c
);
4990 coffsymbol (symbol_get_bfdsym (sym
))->native
->fix_value
= 1;
4992 else if (S_GET_STORAGE_CLASS (sym
) == C_STSYM
)
4997 /* The value is the offset from the enclosing csect. */
4998 block
= symbol_get_tc (sym
)->within
;
4999 csect
= symbol_get_tc (block
)->within
;
5000 resolve_symbol_value (csect
);
5001 S_SET_VALUE (sym
, S_GET_VALUE (sym
) - S_GET_VALUE (csect
));
5003 else if (S_GET_STORAGE_CLASS (sym
) == C_BINCL
5004 || S_GET_STORAGE_CLASS (sym
) == C_EINCL
)
5006 /* We want the value to be a file offset into the line numbers.
5007 BFD will do that for us if we set the right flags. We have
5008 already set the value correctly. */
5009 coffsymbol (symbol_get_bfdsym (sym
))->native
->fix_line
= 1;
5015 /* Adjust the symbol table. This creates csect symbols for all
5016 absolute symbols. */
5019 ppc_adjust_symtab ()
5026 for (sym
= symbol_rootP
; sym
!= NULL
; sym
= symbol_next (sym
))
5030 union internal_auxent
*a
;
5032 if (S_GET_SEGMENT (sym
) != absolute_section
)
5035 csect
= symbol_create (".abs[XO]", absolute_section
,
5036 S_GET_VALUE (sym
), &zero_address_frag
);
5037 symbol_get_bfdsym (csect
)->value
= S_GET_VALUE (sym
);
5038 S_SET_STORAGE_CLASS (csect
, C_HIDEXT
);
5039 i
= S_GET_NUMBER_AUXILIARY (csect
);
5040 S_SET_NUMBER_AUXILIARY (csect
, i
+ 1);
5041 a
= &coffsymbol (symbol_get_bfdsym (csect
))->native
[i
+ 1].u
.auxent
;
5042 a
->x_csect
.x_scnlen
.l
= 0;
5043 a
->x_csect
.x_smtyp
= XTY_SD
;
5044 a
->x_csect
.x_parmhash
= 0;
5045 a
->x_csect
.x_snhash
= 0;
5046 a
->x_csect
.x_smclas
= XMC_XO
;
5047 a
->x_csect
.x_stab
= 0;
5048 a
->x_csect
.x_snstab
= 0;
5050 symbol_insert (csect
, sym
, &symbol_rootP
, &symbol_lastP
);
5052 i
= S_GET_NUMBER_AUXILIARY (sym
);
5053 a
= &coffsymbol (symbol_get_bfdsym (sym
))->native
[i
].u
.auxent
;
5054 a
->x_csect
.x_scnlen
.p
= coffsymbol (symbol_get_bfdsym (csect
))->native
;
5055 coffsymbol (symbol_get_bfdsym (sym
))->native
[i
].fix_scnlen
= 1;
5058 ppc_saw_abs
= FALSE
;
5061 /* Set the VMA for a section. This is called on all the sections in
5065 ppc_frob_section (sec
)
5068 static bfd_vma vma
= 0;
5070 vma
= md_section_align (sec
, vma
);
5071 bfd_set_section_vma (stdoutput
, sec
, vma
);
5072 vma
+= bfd_section_size (stdoutput
, sec
);
5075 #endif /* OBJ_XCOFF */
5077 /* Turn a string in input_line_pointer into a floating point constant
5078 of type TYPE, and store the appropriate bytes in *LITP. The number
5079 of LITTLENUMS emitted is stored in *SIZEP. An error message is
5080 returned, or NULL on OK. */
5083 md_atof (type
, litp
, sizep
)
5089 LITTLENUM_TYPE words
[4];
5105 return _("bad call to md_atof");
5108 t
= atof_ieee (input_line_pointer
, type
, words
);
5110 input_line_pointer
= t
;
5114 if (target_big_endian
)
5116 for (i
= 0; i
< prec
; i
++)
5118 md_number_to_chars (litp
, (valueT
) words
[i
], 2);
5124 for (i
= prec
- 1; i
>= 0; i
--)
5126 md_number_to_chars (litp
, (valueT
) words
[i
], 2);
5134 /* Write a value out to the object file, using the appropriate
5138 md_number_to_chars (buf
, val
, n
)
5143 if (target_big_endian
)
5144 number_to_chars_bigendian (buf
, val
, n
);
5146 number_to_chars_littleendian (buf
, val
, n
);
5149 /* Align a section (I don't know why this is machine dependent). */
5152 md_section_align (seg
, addr
)
5156 int align
= bfd_get_section_alignment (stdoutput
, seg
);
5158 return ((addr
+ (1 << align
) - 1) & (-1 << align
));
5161 /* We don't have any form of relaxing. */
5164 md_estimate_size_before_relax (fragp
, seg
)
5165 fragS
*fragp ATTRIBUTE_UNUSED
;
5166 asection
*seg ATTRIBUTE_UNUSED
;
5172 /* Convert a machine dependent frag. We never generate these. */
5175 md_convert_frag (abfd
, sec
, fragp
)
5176 bfd
*abfd ATTRIBUTE_UNUSED
;
5177 asection
*sec ATTRIBUTE_UNUSED
;
5178 fragS
*fragp ATTRIBUTE_UNUSED
;
5183 /* We have no need to default values of symbols. */
5186 md_undefined_symbol (name
)
5187 char *name ATTRIBUTE_UNUSED
;
5192 /* Functions concerning relocs. */
5194 /* The location from which a PC relative jump should be calculated,
5195 given a PC relative reloc. */
5198 md_pcrel_from_section (fixp
, sec
)
5200 segT sec ATTRIBUTE_UNUSED
;
5202 return fixp
->fx_frag
->fr_address
+ fixp
->fx_where
;
5207 /* This is called to see whether a fixup should be adjusted to use a
5208 section symbol. We take the opportunity to change a fixup against
5209 a symbol in the TOC subsegment into a reloc against the
5210 corresponding .tc symbol. */
5213 ppc_fix_adjustable (fix
)
5216 valueT val
= resolve_symbol_value (fix
->fx_addsy
);
5217 segT symseg
= S_GET_SEGMENT (fix
->fx_addsy
);
5218 TC_SYMFIELD_TYPE
*tc
;
5220 if (symseg
== absolute_section
)
5223 if (ppc_toc_csect
!= (symbolS
*) NULL
5224 && fix
->fx_addsy
!= ppc_toc_csect
5225 && symseg
== data_section
5226 && val
>= ppc_toc_frag
->fr_address
5227 && (ppc_after_toc_frag
== (fragS
*) NULL
5228 || val
< ppc_after_toc_frag
->fr_address
))
5232 for (sy
= symbol_next (ppc_toc_csect
);
5233 sy
!= (symbolS
*) NULL
;
5234 sy
= symbol_next (sy
))
5236 TC_SYMFIELD_TYPE
*sy_tc
= symbol_get_tc (sy
);
5238 if (sy_tc
->class == XMC_TC0
)
5240 if (sy_tc
->class != XMC_TC
)
5242 if (val
== resolve_symbol_value (sy
))
5245 fix
->fx_addnumber
= val
- ppc_toc_frag
->fr_address
;
5250 as_bad_where (fix
->fx_file
, fix
->fx_line
,
5251 _("symbol in .toc does not match any .tc"));
5254 /* Possibly adjust the reloc to be against the csect. */
5255 tc
= symbol_get_tc (fix
->fx_addsy
);
5257 && tc
->class != XMC_TC0
5258 && tc
->class != XMC_TC
5259 && symseg
!= bss_section
5260 /* Don't adjust if this is a reloc in the toc section. */
5261 && (symseg
!= data_section
5262 || ppc_toc_csect
== NULL
5263 || val
< ppc_toc_frag
->fr_address
5264 || (ppc_after_toc_frag
!= NULL
5265 && val
>= ppc_after_toc_frag
->fr_address
)))
5268 symbolS
*next_csect
;
5270 if (symseg
== text_section
)
5271 csect
= ppc_text_csects
;
5272 else if (symseg
== data_section
)
5273 csect
= ppc_data_csects
;
5277 /* Skip the initial dummy symbol. */
5278 csect
= symbol_get_tc (csect
)->next
;
5280 if (csect
!= (symbolS
*) NULL
)
5282 while ((next_csect
= symbol_get_tc (csect
)->next
) != (symbolS
*) NULL
5283 && (symbol_get_frag (next_csect
)->fr_address
<= val
))
5285 /* If the csect address equals the symbol value, then we
5286 have to look through the full symbol table to see
5287 whether this is the csect we want. Note that we will
5288 only get here if the csect has zero length. */
5289 if (symbol_get_frag (csect
)->fr_address
== val
5290 && S_GET_VALUE (csect
) == val
)
5294 for (scan
= symbol_next (csect
);
5296 scan
= symbol_next (scan
))
5298 if (symbol_get_tc (scan
)->subseg
!= 0)
5300 if (scan
== fix
->fx_addsy
)
5304 /* If we found the symbol before the next csect
5305 symbol, then this is the csect we want. */
5306 if (scan
== fix
->fx_addsy
)
5313 fix
->fx_offset
+= val
- symbol_get_frag (csect
)->fr_address
;
5314 fix
->fx_addsy
= csect
;
5319 /* Adjust a reloc against a .lcomm symbol to be against the base
5321 if (symseg
== bss_section
5322 && ! S_IS_EXTERNAL (fix
->fx_addsy
))
5324 symbolS
*sy
= symbol_get_frag (fix
->fx_addsy
)->fr_symbol
;
5326 fix
->fx_offset
+= val
- resolve_symbol_value (sy
);
5333 /* A reloc from one csect to another must be kept. The assembler
5334 will, of course, keep relocs between sections, and it will keep
5335 absolute relocs, but we need to force it to keep PC relative relocs
5336 between two csects in the same section. */
5339 ppc_force_relocation (fix
)
5342 /* At this point fix->fx_addsy should already have been converted to
5343 a csect symbol. If the csect does not include the fragment, then
5344 we need to force the relocation. */
5346 && fix
->fx_addsy
!= NULL
5347 && symbol_get_tc (fix
->fx_addsy
)->subseg
!= 0
5348 && ((symbol_get_frag (fix
->fx_addsy
)->fr_address
5349 > fix
->fx_frag
->fr_address
)
5350 || (symbol_get_tc (fix
->fx_addsy
)->next
!= NULL
5351 && (symbol_get_frag (symbol_get_tc (fix
->fx_addsy
)->next
)->fr_address
5352 <= fix
->fx_frag
->fr_address
))))
5355 return generic_force_reloc (fix
);
5358 #endif /* OBJ_XCOFF */
5361 /* If this function returns non-zero, it guarantees that a relocation
5362 will be emitted for a fixup. */
5365 ppc_force_relocation (fix
)
5368 /* Branch prediction relocations must force a relocation, as must
5369 the vtable description relocs. */
5370 switch (fix
->fx_r_type
)
5372 case BFD_RELOC_PPC_B16_BRTAKEN
:
5373 case BFD_RELOC_PPC_B16_BRNTAKEN
:
5374 case BFD_RELOC_PPC_BA16_BRTAKEN
:
5375 case BFD_RELOC_PPC_BA16_BRNTAKEN
:
5376 case BFD_RELOC_PPC64_TOC
:
5382 if (fix
->fx_r_type
>= BFD_RELOC_PPC_TLS
5383 && fix
->fx_r_type
<= BFD_RELOC_PPC64_DTPREL16_HIGHESTA
)
5386 return generic_force_reloc (fix
);
5390 ppc_fix_adjustable (fix
)
5393 return (fix
->fx_r_type
!= BFD_RELOC_16_GOTOFF
5394 && fix
->fx_r_type
!= BFD_RELOC_LO16_GOTOFF
5395 && fix
->fx_r_type
!= BFD_RELOC_HI16_GOTOFF
5396 && fix
->fx_r_type
!= BFD_RELOC_HI16_S_GOTOFF
5397 && fix
->fx_r_type
!= BFD_RELOC_GPREL16
5398 && fix
->fx_r_type
!= BFD_RELOC_VTABLE_INHERIT
5399 && fix
->fx_r_type
!= BFD_RELOC_VTABLE_ENTRY
5400 && !(fix
->fx_r_type
>= BFD_RELOC_PPC_TLS
5401 && fix
->fx_r_type
<= BFD_RELOC_PPC64_DTPREL16_HIGHESTA
)
5403 || (fix
->fx_subsy
!= NULL
5404 && (S_GET_SEGMENT (fix
->fx_subsy
)
5405 == S_GET_SEGMENT (fix
->fx_addsy
)))
5406 || S_IS_LOCAL (fix
->fx_addsy
)));
5410 /* Apply a fixup to the object code. This is called for all the
5411 fixups we generated by the call to fix_new_exp, above. In the call
5412 above we used a reloc code which was the largest legal reloc code
5413 plus the operand index. Here we undo that to recover the operand
5414 index. At this point all symbol values should be fully resolved,
5415 and we attempt to completely resolve the reloc. If we can not do
5416 that, we determine the correct reloc code and put it back in the
5420 md_apply_fix3 (fixP
, valP
, seg
)
5423 segT seg ATTRIBUTE_UNUSED
;
5425 valueT value
= * valP
;
5428 if (fixP
->fx_addsy
!= NULL
)
5430 /* Hack around bfd_install_relocation brain damage. */
5432 value
+= fixP
->fx_frag
->fr_address
+ fixP
->fx_where
;
5437 /* FIXME FIXME FIXME: The value we are passed in *valP includes
5438 the symbol values. Since we are using BFD_ASSEMBLER, if we are
5439 doing this relocation the code in write.c is going to call
5440 bfd_install_relocation, which is also going to use the symbol
5441 value. That means that if the reloc is fully resolved we want to
5442 use *valP since bfd_install_relocation is not being used.
5443 However, if the reloc is not fully resolved we do not want to use
5444 *valP, and must use fx_offset instead. However, if the reloc
5445 is PC relative, we do want to use *valP since it includes the
5446 result of md_pcrel_from. This is confusing. */
5447 if (fixP
->fx_addsy
== (symbolS
*) NULL
)
5450 else if (fixP
->fx_pcrel
)
5454 value
= fixP
->fx_offset
;
5457 if (fixP
->fx_subsy
!= (symbolS
*) NULL
)
5459 /* We can't actually support subtracting a symbol. */
5460 as_bad_where (fixP
->fx_file
, fixP
->fx_line
, _("expression too complex"));
5463 if ((int) fixP
->fx_r_type
>= (int) BFD_RELOC_UNUSED
)
5466 const struct powerpc_operand
*operand
;
5470 opindex
= (int) fixP
->fx_r_type
- (int) BFD_RELOC_UNUSED
;
5472 operand
= &powerpc_operands
[opindex
];
5475 /* An instruction like `lwz 9,sym(30)' when `sym' is not a TOC symbol
5476 does not generate a reloc. It uses the offset of `sym' within its
5477 csect. Other usages, such as `.long sym', generate relocs. This
5478 is the documented behaviour of non-TOC symbols. */
5479 if ((operand
->flags
& PPC_OPERAND_PARENS
) != 0
5480 && operand
->bits
== 16
5481 && operand
->shift
== 0
5482 && (operand
->insert
== NULL
|| ppc_obj64
)
5483 && fixP
->fx_addsy
!= NULL
5484 && symbol_get_tc (fixP
->fx_addsy
)->subseg
!= 0
5485 && symbol_get_tc (fixP
->fx_addsy
)->class != XMC_TC
5486 && symbol_get_tc (fixP
->fx_addsy
)->class != XMC_TC0
5487 && S_GET_SEGMENT (fixP
->fx_addsy
) != bss_section
)
5489 value
= fixP
->fx_offset
;
5494 /* Fetch the instruction, insert the fully resolved operand
5495 value, and stuff the instruction back again. */
5496 where
= fixP
->fx_frag
->fr_literal
+ fixP
->fx_where
;
5497 if (target_big_endian
)
5498 insn
= bfd_getb32 ((unsigned char *) where
);
5500 insn
= bfd_getl32 ((unsigned char *) where
);
5501 insn
= ppc_insert_operand (insn
, operand
, (offsetT
) value
,
5502 fixP
->fx_file
, fixP
->fx_line
);
5503 if (target_big_endian
)
5504 bfd_putb32 ((bfd_vma
) insn
, (unsigned char *) where
);
5506 bfd_putl32 ((bfd_vma
) insn
, (unsigned char *) where
);
5509 /* Nothing else to do here. */
5512 assert (fixP
->fx_addsy
!= NULL
);
5514 /* Determine a BFD reloc value based on the operand information.
5515 We are only prepared to turn a few of the operands into
5517 if ((operand
->flags
& PPC_OPERAND_RELATIVE
) != 0
5518 && operand
->bits
== 26
5519 && operand
->shift
== 0)
5520 fixP
->fx_r_type
= BFD_RELOC_PPC_B26
;
5521 else if ((operand
->flags
& PPC_OPERAND_RELATIVE
) != 0
5522 && operand
->bits
== 16
5523 && operand
->shift
== 0)
5525 fixP
->fx_r_type
= BFD_RELOC_PPC_B16
;
5528 if (target_big_endian
)
5529 fixP
->fx_where
+= 2;
5532 else if ((operand
->flags
& PPC_OPERAND_ABSOLUTE
) != 0
5533 && operand
->bits
== 26
5534 && operand
->shift
== 0)
5535 fixP
->fx_r_type
= BFD_RELOC_PPC_BA26
;
5536 else if ((operand
->flags
& PPC_OPERAND_ABSOLUTE
) != 0
5537 && operand
->bits
== 16
5538 && operand
->shift
== 0)
5540 fixP
->fx_r_type
= BFD_RELOC_PPC_BA16
;
5543 if (target_big_endian
)
5544 fixP
->fx_where
+= 2;
5547 #if defined (OBJ_XCOFF) || defined (OBJ_ELF)
5548 else if ((operand
->flags
& PPC_OPERAND_PARENS
) != 0
5549 && operand
->bits
== 16
5550 && operand
->shift
== 0)
5552 if (ppc_is_toc_sym (fixP
->fx_addsy
))
5554 fixP
->fx_r_type
= BFD_RELOC_PPC_TOC16
;
5557 && (operand
->flags
& PPC_OPERAND_DS
) != 0)
5558 fixP
->fx_r_type
= BFD_RELOC_PPC64_TOC16_DS
;
5563 fixP
->fx_r_type
= BFD_RELOC_16
;
5566 && (operand
->flags
& PPC_OPERAND_DS
) != 0)
5567 fixP
->fx_r_type
= BFD_RELOC_PPC64_ADDR16_DS
;
5571 if (target_big_endian
)
5572 fixP
->fx_where
+= 2;
5574 #endif /* defined (OBJ_XCOFF) || defined (OBJ_ELF) */
5580 /* Use expr_symbol_where to see if this is an expression
5582 if (expr_symbol_where (fixP
->fx_addsy
, &sfile
, &sline
))
5583 as_bad_where (fixP
->fx_file
, fixP
->fx_line
,
5584 _("unresolved expression that must be resolved"));
5586 as_bad_where (fixP
->fx_file
, fixP
->fx_line
,
5587 _("unsupported relocation against %s"),
5588 S_GET_NAME (fixP
->fx_addsy
));
5596 ppc_elf_validate_fix (fixP
, seg
);
5598 switch (fixP
->fx_r_type
)
5600 case BFD_RELOC_CTOR
:
5607 fixP
->fx_r_type
= BFD_RELOC_32_PCREL
;
5611 case BFD_RELOC_32_PCREL
:
5612 case BFD_RELOC_PPC_EMB_NADDR32
:
5613 md_number_to_chars (fixP
->fx_frag
->fr_literal
+ fixP
->fx_where
,
5620 fixP
->fx_r_type
= BFD_RELOC_64_PCREL
;
5623 case BFD_RELOC_64_PCREL
:
5624 md_number_to_chars (fixP
->fx_frag
->fr_literal
+ fixP
->fx_where
,
5628 case BFD_RELOC_LO16
:
5630 case BFD_RELOC_GPREL16
:
5631 case BFD_RELOC_16_GOT_PCREL
:
5632 case BFD_RELOC_16_GOTOFF
:
5633 case BFD_RELOC_LO16_GOTOFF
:
5634 case BFD_RELOC_HI16_GOTOFF
:
5635 case BFD_RELOC_HI16_S_GOTOFF
:
5636 case BFD_RELOC_16_BASEREL
:
5637 case BFD_RELOC_LO16_BASEREL
:
5638 case BFD_RELOC_HI16_BASEREL
:
5639 case BFD_RELOC_HI16_S_BASEREL
:
5640 case BFD_RELOC_PPC_EMB_NADDR16
:
5641 case BFD_RELOC_PPC_EMB_NADDR16_LO
:
5642 case BFD_RELOC_PPC_EMB_NADDR16_HI
:
5643 case BFD_RELOC_PPC_EMB_NADDR16_HA
:
5644 case BFD_RELOC_PPC_EMB_SDAI16
:
5645 case BFD_RELOC_PPC_EMB_SDA2REL
:
5646 case BFD_RELOC_PPC_EMB_SDA2I16
:
5647 case BFD_RELOC_PPC_EMB_RELSEC16
:
5648 case BFD_RELOC_PPC_EMB_RELST_LO
:
5649 case BFD_RELOC_PPC_EMB_RELST_HI
:
5650 case BFD_RELOC_PPC_EMB_RELST_HA
:
5651 case BFD_RELOC_PPC_EMB_RELSDA
:
5652 case BFD_RELOC_PPC_TOC16
:
5654 case BFD_RELOC_PPC64_TOC16_LO
:
5655 case BFD_RELOC_PPC64_TOC16_HI
:
5656 case BFD_RELOC_PPC64_TOC16_HA
:
5660 if (fixP
->fx_addsy
!= NULL
)
5661 as_bad_where (fixP
->fx_file
, fixP
->fx_line
,
5662 _("cannot emit PC relative %s relocation against %s"),
5663 bfd_get_reloc_code_name (fixP
->fx_r_type
),
5664 S_GET_NAME (fixP
->fx_addsy
));
5666 as_bad_where (fixP
->fx_file
, fixP
->fx_line
,
5667 _("cannot emit PC relative %s relocation"),
5668 bfd_get_reloc_code_name (fixP
->fx_r_type
));
5671 md_number_to_chars (fixP
->fx_frag
->fr_literal
+ fixP
->fx_where
,
5675 /* This case happens when you write, for example,
5677 where L1 and L2 are defined later. */
5678 case BFD_RELOC_HI16
:
5681 md_number_to_chars (fixP
->fx_frag
->fr_literal
+ fixP
->fx_where
,
5685 case BFD_RELOC_HI16_S
:
5688 md_number_to_chars (fixP
->fx_frag
->fr_literal
+ fixP
->fx_where
,
5693 case BFD_RELOC_PPC64_HIGHER
:
5696 md_number_to_chars (fixP
->fx_frag
->fr_literal
+ fixP
->fx_where
,
5697 PPC_HIGHER (value
), 2);
5700 case BFD_RELOC_PPC64_HIGHER_S
:
5703 md_number_to_chars (fixP
->fx_frag
->fr_literal
+ fixP
->fx_where
,
5704 PPC_HIGHERA (value
), 2);
5707 case BFD_RELOC_PPC64_HIGHEST
:
5710 md_number_to_chars (fixP
->fx_frag
->fr_literal
+ fixP
->fx_where
,
5711 PPC_HIGHEST (value
), 2);
5714 case BFD_RELOC_PPC64_HIGHEST_S
:
5717 md_number_to_chars (fixP
->fx_frag
->fr_literal
+ fixP
->fx_where
,
5718 PPC_HIGHESTA (value
), 2);
5721 case BFD_RELOC_PPC64_ADDR16_DS
:
5722 case BFD_RELOC_PPC64_ADDR16_LO_DS
:
5723 case BFD_RELOC_PPC64_GOT16_DS
:
5724 case BFD_RELOC_PPC64_GOT16_LO_DS
:
5725 case BFD_RELOC_PPC64_PLT16_LO_DS
:
5726 case BFD_RELOC_PPC64_SECTOFF_DS
:
5727 case BFD_RELOC_PPC64_SECTOFF_LO_DS
:
5728 case BFD_RELOC_PPC64_TOC16_DS
:
5729 case BFD_RELOC_PPC64_TOC16_LO_DS
:
5730 case BFD_RELOC_PPC64_PLTGOT16_DS
:
5731 case BFD_RELOC_PPC64_PLTGOT16_LO_DS
:
5735 unsigned char *where
= fixP
->fx_frag
->fr_literal
+ fixP
->fx_where
;
5738 if (target_big_endian
)
5739 val
= bfd_getb32 (where
- 2);
5741 val
= bfd_getl32 (where
);
5743 /* lq insns reserve the four lsbs. */
5744 if ((ppc_cpu
& PPC_OPCODE_POWER4
) != 0
5745 && (val
& (0x3f << 26)) == (56u << 26))
5747 val
|= value
& mask
;
5748 if (target_big_endian
)
5749 bfd_putb16 ((bfd_vma
) val
, where
);
5751 bfd_putl16 ((bfd_vma
) val
, where
);
5755 case BFD_RELOC_PPC_B16_BRTAKEN
:
5756 case BFD_RELOC_PPC_B16_BRNTAKEN
:
5757 case BFD_RELOC_PPC_BA16_BRTAKEN
:
5758 case BFD_RELOC_PPC_BA16_BRNTAKEN
:
5761 case BFD_RELOC_PPC_TLS
:
5762 case BFD_RELOC_PPC_DTPMOD
:
5763 case BFD_RELOC_PPC_TPREL16
:
5764 case BFD_RELOC_PPC_TPREL16_LO
:
5765 case BFD_RELOC_PPC_TPREL16_HI
:
5766 case BFD_RELOC_PPC_TPREL16_HA
:
5767 case BFD_RELOC_PPC_TPREL
:
5768 case BFD_RELOC_PPC_DTPREL16
:
5769 case BFD_RELOC_PPC_DTPREL16_LO
:
5770 case BFD_RELOC_PPC_DTPREL16_HI
:
5771 case BFD_RELOC_PPC_DTPREL16_HA
:
5772 case BFD_RELOC_PPC_DTPREL
:
5773 case BFD_RELOC_PPC_GOT_TLSGD16
:
5774 case BFD_RELOC_PPC_GOT_TLSGD16_LO
:
5775 case BFD_RELOC_PPC_GOT_TLSGD16_HI
:
5776 case BFD_RELOC_PPC_GOT_TLSGD16_HA
:
5777 case BFD_RELOC_PPC_GOT_TLSLD16
:
5778 case BFD_RELOC_PPC_GOT_TLSLD16_LO
:
5779 case BFD_RELOC_PPC_GOT_TLSLD16_HI
:
5780 case BFD_RELOC_PPC_GOT_TLSLD16_HA
:
5781 case BFD_RELOC_PPC_GOT_TPREL16
:
5782 case BFD_RELOC_PPC_GOT_TPREL16_LO
:
5783 case BFD_RELOC_PPC_GOT_TPREL16_HI
:
5784 case BFD_RELOC_PPC_GOT_TPREL16_HA
:
5785 case BFD_RELOC_PPC_GOT_DTPREL16
:
5786 case BFD_RELOC_PPC_GOT_DTPREL16_LO
:
5787 case BFD_RELOC_PPC_GOT_DTPREL16_HI
:
5788 case BFD_RELOC_PPC_GOT_DTPREL16_HA
:
5789 case BFD_RELOC_PPC64_TPREL16_DS
:
5790 case BFD_RELOC_PPC64_TPREL16_LO_DS
:
5791 case BFD_RELOC_PPC64_TPREL16_HIGHER
:
5792 case BFD_RELOC_PPC64_TPREL16_HIGHERA
:
5793 case BFD_RELOC_PPC64_TPREL16_HIGHEST
:
5794 case BFD_RELOC_PPC64_TPREL16_HIGHESTA
:
5795 case BFD_RELOC_PPC64_DTPREL16_DS
:
5796 case BFD_RELOC_PPC64_DTPREL16_LO_DS
:
5797 case BFD_RELOC_PPC64_DTPREL16_HIGHER
:
5798 case BFD_RELOC_PPC64_DTPREL16_HIGHERA
:
5799 case BFD_RELOC_PPC64_DTPREL16_HIGHEST
:
5800 case BFD_RELOC_PPC64_DTPREL16_HIGHESTA
:
5803 /* Because SDA21 modifies the register field, the size is set to 4
5804 bytes, rather than 2, so offset it here appropriately. */
5805 case BFD_RELOC_PPC_EMB_SDA21
:
5809 md_number_to_chars (fixP
->fx_frag
->fr_literal
+ fixP
->fx_where
5810 + ((target_big_endian
) ? 2 : 0),
5818 md_number_to_chars (fixP
->fx_frag
->fr_literal
+ fixP
->fx_where
,
5822 case BFD_RELOC_24_PLT_PCREL
:
5823 case BFD_RELOC_PPC_LOCAL24PC
:
5824 if (!fixP
->fx_pcrel
&& !fixP
->fx_done
)
5832 /* Fetch the instruction, insert the fully resolved operand
5833 value, and stuff the instruction back again. */
5834 where
= fixP
->fx_frag
->fr_literal
+ fixP
->fx_where
;
5835 if (target_big_endian
)
5836 insn
= bfd_getb32 ((unsigned char *) where
);
5838 insn
= bfd_getl32 ((unsigned char *) where
);
5839 if ((value
& 3) != 0)
5840 as_bad_where (fixP
->fx_file
, fixP
->fx_line
,
5841 _("must branch to an address a multiple of 4"));
5842 if ((offsetT
) value
< -0x40000000
5843 || (offsetT
) value
>= 0x40000000)
5844 as_bad_where (fixP
->fx_file
, fixP
->fx_line
,
5845 _("@local or @plt branch destination is too far away, %ld bytes"),
5847 insn
= insn
| (value
& 0x03fffffc);
5848 if (target_big_endian
)
5849 bfd_putb32 ((bfd_vma
) insn
, (unsigned char *) where
);
5851 bfd_putl32 ((bfd_vma
) insn
, (unsigned char *) where
);
5855 case BFD_RELOC_VTABLE_INHERIT
:
5858 && !S_IS_DEFINED (fixP
->fx_addsy
)
5859 && !S_IS_WEAK (fixP
->fx_addsy
))
5860 S_SET_WEAK (fixP
->fx_addsy
);
5863 case BFD_RELOC_VTABLE_ENTRY
:
5868 /* Generated by reference to `sym@tocbase'. The sym is
5869 ignored by the linker. */
5870 case BFD_RELOC_PPC64_TOC
:
5876 _("Gas failure, reloc value %d\n"), fixP
->fx_r_type
);
5883 fixP
->fx_addnumber
= value
;
5885 if (fixP
->fx_r_type
!= BFD_RELOC_PPC_TOC16
)
5886 fixP
->fx_addnumber
= 0;
5890 fixP
->fx_addnumber
= 0;
5892 /* We want to use the offset within the data segment of the
5893 symbol, not the actual VMA of the symbol. */
5894 fixP
->fx_addnumber
=
5895 - bfd_get_section_vma (stdoutput
, S_GET_SEGMENT (fixP
->fx_addsy
));
5901 /* Generate a reloc for a fixup. */
5904 tc_gen_reloc (seg
, fixp
)
5905 asection
*seg ATTRIBUTE_UNUSED
;
5910 reloc
= (arelent
*) xmalloc (sizeof (arelent
));
5912 reloc
->sym_ptr_ptr
= (asymbol
**) xmalloc (sizeof (asymbol
*));
5913 *reloc
->sym_ptr_ptr
= symbol_get_bfdsym (fixp
->fx_addsy
);
5914 reloc
->address
= fixp
->fx_frag
->fr_address
+ fixp
->fx_where
;
5915 reloc
->howto
= bfd_reloc_type_lookup (stdoutput
, fixp
->fx_r_type
);
5916 if (reloc
->howto
== (reloc_howto_type
*) NULL
)
5918 as_bad_where (fixp
->fx_file
, fixp
->fx_line
,
5919 _("reloc %d not supported by object file format"),
5920 (int) fixp
->fx_r_type
);
5923 reloc
->addend
= fixp
->fx_addnumber
;
5929 ppc_cfi_frame_initial_instructions ()
5931 cfi_add_CFA_def_cfa (1, 0);
5935 tc_ppc_regname_to_dw2regnum (const char *regname
)
5937 unsigned int regnum
= -1;
5941 static struct { char *name
; int dw2regnum
; } regnames
[] =
5943 { "sp", 1 }, { "r.sp", 1 }, { "rtoc", 2 }, { "r.toc", 2 },
5944 { "mq", 64 }, { "lr", 65 }, { "ctr", 66 }, { "ap", 67 },
5945 { "cc", 68 }, { "xer", 76 }, { "vrsave", 109 }, { "vscr", 110 },
5946 { "spe_acc", 111 }, { "spefscr", 112 }
5949 for (i
= 0; i
< ARRAY_SIZE (regnames
); ++i
)
5950 if (strcmp (regnames
[i
].name
, regname
) == 0)
5951 return regnames
[i
].dw2regnum
;
5953 if (regname
[0] == 'r' || regname
[0] == 'f' || regname
[0] == 'v')
5955 p
= regname
+ 1 + (regname
[1] == '.');
5956 regnum
= strtoul (p
, &q
, 10);
5957 if (p
== q
|| *q
|| regnum
>= 32)
5959 if (regname
[0] == 'f')
5961 else if (regname
[0] == 'v')
5964 else if (regname
[0] == 'c' && regname
[1] == 'r')
5966 p
= regname
+ 2 + (regname
[2] == '.');
5967 if (p
[0] < '0' || p
[0] > '7' || p
[1])
5969 regnum
= p
[0] - '0' + 68;