--- /dev/null
+#ifndef ECOFF_H
+#define ECOFF_H
+
+/* Generic ECOFF support.
+ This does not include symbol information, found in sym.h and
+ symconst.h. */
+
+/* Mips magic numbers used in filehdr. MIPS_MAGIC_LITTLE is used on
+ little endian machines. MIPS_MAGIC_BIG is used on big endian
+ machines. Where is MIPS_MAGIC_1 from? */
+#define MIPS_MAGIC_1 0x0180
+#define MIPS_MAGIC_LITTLE 0x0162
+#define MIPS_MAGIC_BIG 0x0160
+
+/* Alpha magic numbers used in filehdr. */
+#define ALPHA_MAGIC 0x183
+
+/* Magic numbers used in a.out header. */
+#define ECOFF_AOUT_OMAGIC 0407 /* not demand paged (ld -N). */
+#define ECOFF_AOUT_ZMAGIC 0413 /* demand load format, eg normal ld output */
+
+/* Names of special sections. */
+#define _TEXT ".text"
+#define _DATA ".data"
+#define _BSS ".bss"
+#define _RDATA ".rdata"
+#define _SDATA ".sdata"
+#define _SBSS ".sbss"
+#define _LIT4 ".lit4"
+#define _LIT8 ".lit8"
+#define _LIB ".lib"
+#define _INIT ".init"
+
+/* ECOFF uses some additional section flags. */
+#define STYP_RDATA 0x100
+#define STYP_SDATA 0x200
+#define STYP_SBSS 0x400
+#define STYP_LIT8 0x8000000
+#define STYP_LIT4 0x10000000
+#define STYP_ECOFF_INIT 0x80000000
+#define STYP_OTHER_LOAD STYP_ECOFF_INIT
+
+/* The linker needs a section to hold small common variables while
+ linking. There is no convenient way to create it when the linker
+ needs it, so we always create one for each BFD. We then avoid
+ writing it out. */
+#define SCOMMON ".scommon"
+
+/* If the extern bit in a reloc is 1, then r_symndx is an index into
+ the external symbol table. If the extern bit is 0, then r_symndx
+ indicates a section, and is one of the following values. */
+#define RELOC_SECTION_TEXT 1
+#define RELOC_SECTION_RDATA 2
+#define RELOC_SECTION_DATA 3
+#define RELOC_SECTION_SDATA 4
+#define RELOC_SECTION_SBSS 5
+#define RELOC_SECTION_BSS 6
+#define RELOC_SECTION_INIT 7
+#define RELOC_SECTION_LIT8 8
+#define RELOC_SECTION_LIT4 9
+#define RELOC_SECTION_XDATA 10
+#define RELOC_SECTION_PDATA 11
+#define RELOC_SECTION_FINI 12
+#define RELOC_SECTION_LITA 13
+#define RELOC_SECTION_ABS 14
+
+/********************** STABS **********************/
+
+/* gcc uses mips-tfile to output type information in special stabs
+ entries. These must match the corresponding definition in
+ gcc/config/mips.h. At some point, these should probably go into a
+ shared include file, but currently gcc and gdb do not share any
+ directories. */
+#define CODE_MASK 0x8F300
+#define ECOFF_IS_STAB(sym) (((sym)->index & 0xFFF00) == CODE_MASK)
+#define ECOFF_MARK_STAB(code) ((code)+CODE_MASK)
+#define ECOFF_UNMARK_STAB(code) ((code)-CODE_MASK)
+#define STABS_SYMBOL "@stabs"
+
+/********************** COFF **********************/
+
+/* gcc also uses mips-tfile to output COFF debugging information.
+ These are the values it uses when outputting the .type directive.
+ These should also be in a shared include file. */
+#define N_BTMASK (017)
+#define N_TMASK (060)
+#define N_BTSHFT (4)
+#define N_TSHIFT (2)
+
+/********************** AUX **********************/
+
+/* The auxiliary type information is the same on all known ECOFF
+ targets. I can't see any reason that it would ever change, so I am
+ going to gamble and define the external structures here, in the
+ target independent ECOFF header file. The internal forms are
+ defined in coff/sym.h, which was originally donated by MIPS
+ Computer Systems. */
+
+/* Type information external record */
+
+struct tir_ext {
+ unsigned char t_bits1[1];
+ unsigned char t_tq45[1];
+ unsigned char t_tq01[1];
+ unsigned char t_tq23[1];
+};
+
+#define TIR_BITS1_FBITFIELD_BIG 0x80
+#define TIR_BITS1_FBITFIELD_LITTLE 0x01
+
+#define TIR_BITS1_CONTINUED_BIG 0x40
+#define TIR_BITS1_CONTINUED_LITTLE 0x02
+
+#define TIR_BITS1_BT_BIG 0x3F
+#define TIR_BITS1_BT_SH_BIG 0
+#define TIR_BITS1_BT_LITTLE 0xFC
+#define TIR_BITS1_BT_SH_LITTLE 2
+
+#define TIR_BITS_TQ4_BIG 0xF0
+#define TIR_BITS_TQ4_SH_BIG 4
+#define TIR_BITS_TQ5_BIG 0x0F
+#define TIR_BITS_TQ5_SH_BIG 0
+#define TIR_BITS_TQ4_LITTLE 0x0F
+#define TIR_BITS_TQ4_SH_LITTLE 0
+#define TIR_BITS_TQ5_LITTLE 0xF0
+#define TIR_BITS_TQ5_SH_LITTLE 4
+
+#define TIR_BITS_TQ0_BIG 0xF0
+#define TIR_BITS_TQ0_SH_BIG 4
+#define TIR_BITS_TQ1_BIG 0x0F
+#define TIR_BITS_TQ1_SH_BIG 0
+#define TIR_BITS_TQ0_LITTLE 0x0F
+#define TIR_BITS_TQ0_SH_LITTLE 0
+#define TIR_BITS_TQ1_LITTLE 0xF0
+#define TIR_BITS_TQ1_SH_LITTLE 4
+
+#define TIR_BITS_TQ2_BIG 0xF0
+#define TIR_BITS_TQ2_SH_BIG 4
+#define TIR_BITS_TQ3_BIG 0x0F
+#define TIR_BITS_TQ3_SH_BIG 0
+#define TIR_BITS_TQ2_LITTLE 0x0F
+#define TIR_BITS_TQ2_SH_LITTLE 0
+#define TIR_BITS_TQ3_LITTLE 0xF0
+#define TIR_BITS_TQ3_SH_LITTLE 4
+
+/* Relative symbol external record */
+
+struct rndx_ext {
+ unsigned char r_bits[4];
+};
+
+#define RNDX_BITS0_RFD_SH_LEFT_BIG 4
+#define RNDX_BITS1_RFD_BIG 0xF0
+#define RNDX_BITS1_RFD_SH_BIG 4
+
+#define RNDX_BITS0_RFD_SH_LEFT_LITTLE 0
+#define RNDX_BITS1_RFD_LITTLE 0x0F
+#define RNDX_BITS1_RFD_SH_LEFT_LITTLE 8
+
+#define RNDX_BITS1_INDEX_BIG 0x0F
+#define RNDX_BITS1_INDEX_SH_LEFT_BIG 16
+#define RNDX_BITS2_INDEX_SH_LEFT_BIG 8
+#define RNDX_BITS3_INDEX_SH_LEFT_BIG 0
+
+#define RNDX_BITS1_INDEX_LITTLE 0xF0
+#define RNDX_BITS1_INDEX_SH_LITTLE 4
+#define RNDX_BITS2_INDEX_SH_LEFT_LITTLE 4
+#define RNDX_BITS3_INDEX_SH_LEFT_LITTLE 12
+
+/* Auxiliary symbol information external record */
+
+union aux_ext {
+ struct tir_ext a_ti;
+ struct rndx_ext a_rndx;
+ unsigned char a_dnLow[4];
+ unsigned char a_dnHigh[4];
+ unsigned char a_isym[4];
+ unsigned char a_iss[4];
+ unsigned char a_width[4];
+ unsigned char a_count[4];
+};
+
+/* FIXME! These are copied from ../bfd/libbfd.h */
+extern bfd_vma _do_getb32 PARAMS ((unsigned char *addr));
+extern bfd_vma _do_getl32 PARAMS ((unsigned char *addr));
+extern void _do_putb32 PARAMS ((bfd_vma data, unsigned char *addr));
+extern void _do_putl32 PARAMS ((bfd_vma data, unsigned char *addr));
+
+#define AUX_GET_ANY(bigend, ax, field) \
+ ((bigend) ? _do_getb32 ((ax)->field) : _do_getl32 ((ax)->field))
+
+#define AUX_GET_DNLOW(bigend, ax) AUX_GET_ANY ((bigend), (ax), a_dnLow)
+#define AUX_GET_DNHIGH(bigend, ax) AUX_GET_ANY ((bigend), (ax), a_dnHigh)
+#define AUX_GET_ISYM(bigend, ax) AUX_GET_ANY ((bigend), (ax), a_isym)
+#define AUX_GET_ISS(bigend, ax) AUX_GET_ANY ((bigend), (ax), a_iss)
+#define AUX_GET_WIDTH(bigend, ax) AUX_GET_ANY ((bigend), (ax), a_width)
+#define AUX_GET_COUNT(bigend, ax) AUX_GET_ANY ((bigend), (ax), a_count)
+
+#define AUX_PUT_ANY(bigend, val, ax, field) \
+ ((bigend) \
+ ? (_do_putb32 ((val), (ax)->field), 0) \
+ : (_do_putl32 ((val), (ax)->field), 0))
+
+#define AUX_PUT_DNLOW(bigend, val, ax) \
+ AUX_PUT_ANY ((bigend), (val), (ax), a_dnLow)
+#define AUX_PUT_DNHIGH(bigend, val, ax) \
+ AUX_PUT_ANY ((bigend), (val), (ax), a_dnHigh)
+#define AUX_PUT_ISYM(bigend, val, ax) \
+ AUX_PUT_ANY ((bigend), (val), (ax), a_isym)
+#define AUX_PUT_ISS(bigend, val, ax) \
+ AUX_PUT_ANY ((bigend), (val), (ax), a_iss)
+#define AUX_PUT_WIDTH(bigend, val, ax) \
+ AUX_PUT_ANY ((bigend), (val), (ax), a_width)
+#define AUX_PUT_COUNT(bigend, val, ax) \
+ AUX_PUT_ANY ((bigend), (val), (ax), a_count)
+
+/* Prototypes for the swapping functions. These require that sym.h be
+ included before this file. */
+
+extern void ecoff_swap_tir_in PARAMS ((int bigend, struct tir_ext *, TIR *));
+extern void ecoff_swap_tir_out PARAMS ((int bigend, TIR *, struct tir_ext *));
+extern void ecoff_swap_rndx_in PARAMS ((int bigend, struct rndx_ext *,
+ RNDXR *));
+extern void ecoff_swap_rndx_out PARAMS ((int bigend, RNDXR *,
+ struct rndx_ext *));
+
+#endif /* ! defined (ECOFF_H) */
projects / binutils-gdb.git / commitdiff