X-Git-Url: https://git.libre-soc.org/?a=blobdiff_plain;f=bfd%2Faoutf1.h;h=d78de7f6cca4186dcda654417fea9d26855c5ba2;hb=e98fe4f7b54cbdf29aef9287bbb1bea8801dd05a;hp=ad3c12ded9cf3619e4549f3fc5eb7cac418d9aba;hpb=359f1dee91d2933b8b138fe41defd1e0997ca0c7;p=binutils-gdb.git diff --git a/bfd/aoutf1.h b/bfd/aoutf1.h index ad3c12ded9c..d78de7f6cca 100644 --- a/bfd/aoutf1.h +++ b/bfd/aoutf1.h @@ -1,71 +1,143 @@ -/* BFD backend for generic a.out flavour 1 */ +/* A.out "format 1" file handling code for BFD. + Copyright 1990, 1991, 1992, 1993 Free Software Foundation, Inc. + Written by Cygnus Support. -/* Copyright (C) 1990, 1991 Free Software Foundation, Inc. +This file is part of BFD, the Binary File Descriptor library. -This file is part of BFD, the Binary File Diddler. - -BFD is free software; you can redistribute it and/or modify +This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by -the Free Software Foundation; either version 1, or (at your option) -any later version. +the Free Software Foundation; either version 2 of the License, or +(at your option) any later version. -BFD is distributed in the hope that it will be useful, +This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. You should have received a copy of the GNU General Public License -along with BFD; see the file COPYING. If not, write to -the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA. */ +along with this program; if not, write to the Free Software +Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */ -#include -#include -struct external_exec; -#include #include "bfd.h" -#include "libaout.h" +#include "sysdep.h" #include "libbfd.h" - - -#include "aout64.h" -#include "stab.gnu.h" -#include "ar.h" - - - -void (*bfd_error_trap)(); - -static bfd_target *sunos4_callback (); +#include "aout/sun4.h" +#include "libaout.h" /* BFD a.out internal data structures */ + +#include "aout/aout64.h" +#include "aout/stab_gnu.h" +#include "aout/ar.h" + +/* This is needed to reject a NewsOS file, e.g. in + gdb/testsuite/gdb.t10/crossload.exp. + I needed to add M_UNKNOWN to recognize a 68000 object, so this will + probably no longer reject a NewsOS object. . */ +#define MACHTYPE_OK(mtype) ((mtype) == M_UNKNOWN \ + || (mtype) == M_68010 \ + || (mtype) == M_68020 \ + || (mtype) == M_SPARC) + +/* +The file @code{aoutf1.h} contains the code for BFD's +a.out back end. Control over the generated back end is given by these +two preprocessor names: +@table @code +@item ARCH_SIZE +This value should be either 32 or 64, depending upon the size of an +int in the target format. It changes the sizes of the structs which +perform the memory/disk mapping of structures. + +The 64 bit backend may only be used if the host compiler supports 64 +ints (eg long long with gcc), by defining the name @code{BFD_HOST_64_BIT} in @code{bfd.h}. +With this name defined, @emph{all} bfd operations are performed with 64bit +arithmetic, not just those to a 64bit target. + +@item TARGETNAME +The name put into the target vector. +@item +@end table + +*/ /*SUPPRESS558*/ /*SUPPRESS529*/ -bfd_target * -DEFUN(NAME(sunos,object_p), (abfd), - bfd *abfd) +static void +#if ARCH_SIZE == 64 +sunos_64_set_arch_mach +#else +sunos_32_set_arch_mach +#endif + (abfd, machtype) + bfd *abfd; + int machtype; { - unsigned char magicbuf[4]; /* Raw bytes of magic number from file */ - unsigned long magic; /* Swapped magic number */ + /* Determine the architecture and machine type of the object file. */ + enum bfd_architecture arch; + long machine; + switch (machtype) + { + + case M_UNKNOWN: + /* Some Sun3s make magic numbers without cpu types in them, so + we'll default to the 68000. */ + arch = bfd_arch_m68k; + machine = 68000; + break; - bfd_error = system_call_error; + case M_68010: + case M_HP200: + arch = bfd_arch_m68k; + machine = 68010; + break; - if (bfd_read ((PTR)magicbuf, 1 , 4, abfd) != - sizeof (magicbuf)) - return 0; - magic = bfd_h_get_32 (abfd, magicbuf); + case M_68020: + case M_HP300: + arch = bfd_arch_m68k; + machine = 68020; + break; + + case M_SPARC: + arch = bfd_arch_sparc; + machine = 0; + break; + + case M_386: + case M_386_DYNIX: + arch = bfd_arch_i386; + machine = 0; + break; + + case M_29K: + arch = bfd_arch_a29k; + machine = 0; + break; - if (N_BADMAG (*((struct internal_exec *) &magic))) return 0; + case M_HPUX: + arch = bfd_arch_m68k; + machine = 0; + break; - return NAME(aout,some_aout_object_p) (abfd, sunos4_callback); + default: + arch = bfd_arch_obscure; + machine = 0; + break; + } + bfd_set_arch_mach (abfd, arch, machine); } - /* Determine the size of a relocation entry, based on the architecture */ +#define SET_ARCH_MACH(ABFD, EXEC) \ + NAME(sunos,set_arch_mach)(ABFD, N_MACHTYPE (EXEC)); \ + choose_reloc_size(ABFD); + +/* Determine the size of a relocation entry, based on the architecture */ static void -DEFUN(choose_reloc_size,(abfd), -bfd *abfd) - { - switch (abfd->obj_arch) { +choose_reloc_size (abfd) + bfd *abfd; +{ + switch (bfd_get_arch (abfd)) + { case bfd_arch_sparc: case bfd_arch_a29k: obj_reloc_entry_size (abfd) = RELOC_EXT_SIZE; @@ -74,112 +146,62 @@ bfd *abfd) obj_reloc_entry_size (abfd) = RELOC_STD_SIZE; break; } - } +} -/* Set parameters about this a.out file that are machine-dependent. - This routine is called from some_aout_object_p just before it returns. */ +/* Write an object file in SunOS format. + Section contents have already been written. We write the + file header, symbols, and relocation. */ -static bfd_target * -sunos4_callback (abfd) +static boolean +#if ARCH_SIZE == 64 +aout_64_sunos4_write_object_contents +#else +aout_32_sunos4_write_object_contents +#endif + (abfd) bfd *abfd; { + struct external_exec exec_bytes; struct internal_exec *execp = exec_hdr (abfd); - WORK_OUT_FILE_POSITIONS(abfd, execp); - - /* Determine the architecture and machine type of the object file. */ - switch (N_MACHTYPE (*exec_hdr (abfd))) { - - case M_UNKNOWN: - abfd->obj_arch = bfd_arch_unknown; - abfd->obj_machine = 0; - break; - - case M_68010: - abfd->obj_arch = bfd_arch_m68k; - abfd->obj_machine = 68010; - break; - - case M_68020: - abfd->obj_arch = bfd_arch_m68k; - abfd->obj_machine = 68020; - break; - - case M_SPARC: - abfd->obj_arch = bfd_arch_sparc; - abfd->obj_machine = 0; - break; - - case M_386: - abfd->obj_arch = bfd_arch_i386; - abfd->obj_machine = 0; - break; - - case M_29K: - abfd->obj_arch = bfd_arch_a29k; - abfd->obj_machine = 0; - break; - - default: - abfd->obj_arch = bfd_arch_obscure; - abfd->obj_machine = 0; - break; - } - - choose_reloc_size(abfd); - return abfd->xvec; -} - - -/* Write an object file in SunOS format. -Section contents have already been written. We write the -file header, symbols, and relocation. */ - -boolean -DEFUN(NAME(aout,sunos4_write_object_contents),(abfd), - bfd *abfd) - - { - bfd_size_type data_pad = 0; - struct external_exec exec_bytes; - struct internal_exec *execp = exec_hdr (abfd); - - - - execp->a_text = obj_textsec (abfd)->size; - - /* Magic number, maestro, please! */ - switch (bfd_get_architecture(abfd)) { + /* Magic number, maestro, please! */ + switch (bfd_get_arch (abfd)) + { case bfd_arch_m68k: - switch (bfd_get_machine(abfd)) { - case 68010: - N_SET_MACHTYPE(*execp, M_68010); - break; - default: - case 68020: - N_SET_MACHTYPE(*execp, M_68020); - break; - } + switch (bfd_get_mach (abfd)) + { + case 68000: + N_SET_MACHTYPE (*execp, M_UNKNOWN); + break; + case 68010: + N_SET_MACHTYPE (*execp, M_68010); + break; + default: + case 68020: + N_SET_MACHTYPE (*execp, M_68020); + break; + } break; case bfd_arch_sparc: - N_SET_MACHTYPE(*execp, M_SPARC); + N_SET_MACHTYPE (*execp, M_SPARC); break; case bfd_arch_i386: - N_SET_MACHTYPE(*execp, M_386); + N_SET_MACHTYPE (*execp, M_386); break; case bfd_arch_a29k: - N_SET_MACHTYPE(*execp, M_29K); + N_SET_MACHTYPE (*execp, M_29K); break; default: - N_SET_MACHTYPE(*execp, M_UNKNOWN); + N_SET_MACHTYPE (*execp, M_UNKNOWN); } - - choose_reloc_size(abfd); - /* FIXME */ - N_SET_FLAGS (*execp, 0x81); - - WRITE_HEADERS(abfd, execp); + choose_reloc_size (abfd); + + N_SET_FLAGS (*execp, aout_backend_info (abfd)->exec_hdr_flags); + + N_SET_DYNAMIC (*execp, bfd_get_file_flags (abfd) & DYNAMIC); + + WRITE_HEADERS (abfd, execp); return true; } @@ -190,15 +212,16 @@ DEFUN(NAME(aout,sunos4_write_object_contents),(abfd), #define CORE_NAMELEN 16 /* The core structure is taken from the Sun documentation. -Unfortunately, they don't document the FPA structure, or at least I -can't find it easily. Fortunately the core header contains its own -length. So this shouldn't cause problems, except for c_ucode, which -so far we don't use but is easy to find with a little arithmetic. */ + Unfortunately, they don't document the FPA structure, or at least I + can't find it easily. Fortunately the core header contains its own + length. So this shouldn't cause problems, except for c_ucode, which + so far we don't use but is easy to find with a little arithmetic. */ /* But the reg structure can be gotten from the SPARC processor handbook. -This really should be in a GNU include file though so that gdb can use -the same info. */ -struct regs { + This really should be in a GNU include file though so that gdb can use + the same info. */ +struct regs +{ int r_psr; int r_pc; int r_npc; @@ -223,71 +246,207 @@ struct regs { /* Taken from Sun documentation: */ /* FIXME: It's worse than we expect. This struct contains TWO substructs -neither of whose size we know, WITH STUFF IN BETWEEN THEM! We can't -even portably access the stuff in between! */ - -struct core { - int c_magic; /* Corefile magic number */ - int c_len; /* Sizeof (struct core) */ - struct regs c_regs; /* General purpose registers -- MACHDEP SIZE */ - struct internal_exec c_aouthdr; /* A.out header */ - int c_signo; /* Killing signal, if any */ - int c_tsize; /* Text size (bytes) */ - int c_dsize; /* Data size (bytes) */ - int c_ssize; /* Stack size (bytes) */ - char c_cmdname[CORE_NAMELEN + 1]; /* Command name */ - double fp_stuff[1]; /* external FPU state (size unknown by us) */ - /* The type "double" is critical here, for alignment. + neither of whose size we know, WITH STUFF IN BETWEEN THEM! We can't + even portably access the stuff in between! */ + +struct external_sparc_core + { + int c_magic; /* Corefile magic number */ + int c_len; /* Sizeof (struct core) */ +#define SPARC_CORE_LEN 432 + int c_regs[19]; /* General purpose registers -- MACHDEP SIZE */ + struct external_exec c_aouthdr; /* A.out header */ + int c_signo; /* Killing signal, if any */ + int c_tsize; /* Text size (bytes) */ + int c_dsize; /* Data size (bytes) */ + int c_ssize; /* Stack size (bytes) */ + char c_cmdname[CORE_NAMELEN + 1]; /* Command name */ + double fp_stuff[1]; /* external FPU state (size unknown by us) */ + /* The type "double" is critical here, for alignment. SunOS declares a struct here, but the struct's alignment is double since it contains doubles. */ - int c_ucode; /* Exception no. from u_code */ - /* (this member is not accessible by name since we don't + int c_ucode; /* Exception no. from u_code */ + /* (this member is not accessible by name since we don't portably know the size of fp_stuff.) */ -}; + }; -/* Supposedly the user stack grows downward from the bottom of kernel memory. -Presuming that this remains true, this definition will work. */ -#define USRSTACK (-(128*1024*1024)) +struct external_sun3_core + { + int c_magic; /* Corefile magic number */ + int c_len; /* Sizeof (struct core) */ +#define SUN3_CORE_LEN 826 /* As of SunOS 4.1.1 */ + int c_regs[18]; /* General purpose registers -- MACHDEP SIZE */ + struct external_exec c_aouthdr; /* A.out header */ + int c_signo; /* Killing signal, if any */ + int c_tsize; /* Text size (bytes) */ + int c_dsize; /* Data size (bytes) */ + int c_ssize; /* Stack size (bytes) */ + char c_cmdname[CORE_NAMELEN + 1]; /* Command name */ + double fp_stuff[1]; /* external FPU state (size unknown by us) */ + /* The type "double" is critical here, for alignment. + SunOS declares a struct here, but the struct's alignment + is double since it contains doubles. */ + int c_ucode; /* Exception no. from u_code */ + /* (this member is not accessible by name since we don't + portably know the size of fp_stuff.) */ + }; -PROTO (static void, swapcore, (bfd *abfd, struct core *core)); +struct internal_sunos_core + { + int c_magic; /* Corefile magic number */ + int c_len; /* Sizeof (struct core) */ + long c_regs_pos; /* file offset of General purpose registers */ + int c_regs_size; /* size of General purpose registers */ + struct internal_exec c_aouthdr; /* A.out header */ + int c_signo; /* Killing signal, if any */ + int c_tsize; /* Text size (bytes) */ + int c_dsize; /* Data size (bytes) */ + int c_ssize; /* Stack size (bytes) */ + bfd_vma c_stacktop; /* Stack top (address) */ + char c_cmdname[CORE_NAMELEN + 1]; /* Command name */ + long fp_stuff_pos; /* file offset of external FPU state (regs) */ + int fp_stuff_size; /* Size of it */ + int c_ucode; /* Exception no. from u_code */ + }; + +/* byte-swap in the Sun-3 core structure */ +static void +swapcore_sun3 (abfd, ext, intcore) + bfd *abfd; + char *ext; + struct internal_sunos_core *intcore; +{ + struct external_sun3_core *extcore = (struct external_sun3_core *) ext; + + intcore->c_magic = bfd_h_get_32 (abfd, (unsigned char *) &extcore->c_magic); + intcore->c_len = bfd_h_get_32 (abfd, (unsigned char *) &extcore->c_len); + intcore->c_regs_pos = (long) (((struct external_sun3_core *) 0)->c_regs); + intcore->c_regs_size = sizeof (extcore->c_regs); +#if ARCH_SIZE == 64 + aout_64_swap_exec_header_in +#else + aout_32_swap_exec_header_in +#endif + (abfd, &extcore->c_aouthdr, &intcore->c_aouthdr); + intcore->c_signo = bfd_h_get_32 (abfd, (unsigned char *) &extcore->c_signo); + intcore->c_tsize = bfd_h_get_32 (abfd, (unsigned char *) &extcore->c_tsize); + intcore->c_dsize = bfd_h_get_32 (abfd, (unsigned char *) &extcore->c_dsize); + intcore->c_ssize = bfd_h_get_32 (abfd, (unsigned char *) &extcore->c_ssize); + memcpy (intcore->c_cmdname, extcore->c_cmdname, sizeof (intcore->c_cmdname)); + intcore->fp_stuff_pos = (long) (((struct external_sun3_core *) 0)->fp_stuff); + /* FP stuff takes up whole rest of struct, except c_ucode. */ + intcore->fp_stuff_size = intcore->c_len - (sizeof extcore->c_ucode) - + (file_ptr) (((struct external_sun3_core *) 0)->fp_stuff); + /* Ucode is the last thing in the struct -- just before the end */ + intcore->c_ucode = + bfd_h_get_32 (abfd, + intcore->c_len - sizeof (extcore->c_ucode) + (unsigned char *) extcore); + intcore->c_stacktop = 0x0E000000; /* By experimentation */ +} -/* need this cast b/c ptr is really void * */ -#define core_hdr(bfd) (((struct suncordata *) (bfd->tdata))->hdr) -#define core_datasec(bfd) (((struct suncordata *) ((bfd)->tdata))->data_section) -#define core_stacksec(bfd) (((struct suncordata*)((bfd)->tdata))->stack_section) -#define core_regsec(bfd) (((struct suncordata *) ((bfd)->tdata))->reg_section) -#define core_reg2sec(bfd) (((struct suncordata *) ((bfd)->tdata))->reg2_section) + +/* byte-swap in the Sparc core structure */ +static void +swapcore_sparc (abfd, ext, intcore) + bfd *abfd; + char *ext; + struct internal_sunos_core *intcore; +{ + struct external_sparc_core *extcore = (struct external_sparc_core *) ext; + + intcore->c_magic = bfd_h_get_32 (abfd, (unsigned char *) &extcore->c_magic); + intcore->c_len = bfd_h_get_32 (abfd, (unsigned char *) &extcore->c_len); + intcore->c_regs_pos = (long) (((struct external_sparc_core *) 0)->c_regs); + intcore->c_regs_size = sizeof (extcore->c_regs); +#if ARCH_SIZE == 64 + aout_64_swap_exec_header_in +#else + aout_32_swap_exec_header_in +#endif + (abfd, &extcore->c_aouthdr, &intcore->c_aouthdr); + intcore->c_signo = bfd_h_get_32 (abfd, (unsigned char *) &extcore->c_signo); + intcore->c_tsize = bfd_h_get_32 (abfd, (unsigned char *) &extcore->c_tsize); + intcore->c_dsize = bfd_h_get_32 (abfd, (unsigned char *) &extcore->c_dsize); + intcore->c_ssize = bfd_h_get_32 (abfd, (unsigned char *) &extcore->c_ssize); + memcpy (intcore->c_cmdname, extcore->c_cmdname, sizeof (intcore->c_cmdname)); + intcore->fp_stuff_pos = (long) (((struct external_sparc_core *) 0)->fp_stuff); + /* FP stuff takes up whole rest of struct, except c_ucode. */ + intcore->fp_stuff_size = intcore->c_len - (sizeof extcore->c_ucode) - + (file_ptr) (((struct external_sparc_core *) 0)->fp_stuff); + /* Ucode is the last thing in the struct -- just before the end */ + intcore->c_ucode = + bfd_h_get_32 (abfd, + intcore->c_len - sizeof (extcore->c_ucode) + (unsigned char *) extcore); + + /* Supposedly the user stack grows downward from the bottom of kernel memory. + Presuming that this remains true, this definition will work. */ + /* Now sun has provided us with another challenge. The value is different + for sparc2 and sparc10 (both running SunOS 4.1.3). We pick one or + the other based on the current value of the stack pointer. This + loses (a) if the stack pointer has been clobbered, or (b) if the stack + is larger than 128 megabytes. + + It's times like these you're glad they're switching to ELF. + + Note that using include files or nlist on /vmunix would be wrong, + because we want the value for this core file, no matter what kind of + machine we were compiled on or are running on. */ +#define SPARC_USRSTACK_SPARC2 ((bfd_vma)0xf8000000) +#define SPARC_USRSTACK_SPARC10 ((bfd_vma)0xf0000000) + { + bfd_vma sp = bfd_h_get_32 + (abfd, (unsigned char *) &((struct regs *) &extcore->c_regs[0])->r_o6); + if (sp < SPARC_USRSTACK_SPARC10) + intcore->c_stacktop = SPARC_USRSTACK_SPARC10; + else + intcore->c_stacktop = SPARC_USRSTACK_SPARC2; + } +} + +/* need this cast because ptr is really void * */ +#define core_hdr(bfd) ((bfd)->tdata.sun_core_data) +#define core_datasec(bfd) (core_hdr(bfd)->data_section) +#define core_stacksec(bfd) (core_hdr(bfd)->stack_section) +#define core_regsec(bfd) (core_hdr(bfd)->reg_section) +#define core_reg2sec(bfd) (core_hdr(bfd)->reg2_section) /* These are stored in the bfd's tdata */ -struct suncordata { -struct core *hdr; /* core file header */ -asection *data_section; -asection *stack_section; -asection *reg_section; -asection *reg2_section; +struct sun_core_struct +{ + struct internal_sunos_core *hdr; /* core file header */ + asection *data_section; + asection *stack_section; + asection *reg_section; + asection *reg2_section; }; static bfd_target * -DEFUN(sunos4_core_file_p,(abfd), - bfd *abfd) +sunos4_core_file_p (abfd) + bfd *abfd; { unsigned char longbuf[4]; /* Raw bytes of various header fields */ int core_size; int core_mag; - struct core *core; - char *rawptr; - - bfd_error = system_call_error; - - if (bfd_read ((PTR)longbuf, 1, sizeof (longbuf), abfd) != + struct internal_sunos_core *core; + char *extcore; + struct mergem + { + struct sun_core_struct suncoredata; + struct internal_sunos_core internal_sunos_core; + char external_core[1]; + } + *mergem; + + if (bfd_read ((PTR) longbuf, 1, sizeof (longbuf), abfd) != sizeof (longbuf)) return 0; core_mag = bfd_h_get_32 (abfd, longbuf); - if (core_mag != CORE_MAGIC) return 0; + if (core_mag != CORE_MAGIC) + return 0; /* SunOS core headers can vary in length; second word is size; */ - if (bfd_read ((PTR)longbuf, 1, sizeof (longbuf), abfd) != + if (bfd_read ((PTR) longbuf, 1, sizeof (longbuf), abfd) != sizeof (longbuf)) return 0; core_size = bfd_h_get_32 (abfd, longbuf); @@ -295,80 +454,101 @@ DEFUN(sunos4_core_file_p,(abfd), if (core_size > 20000) return 0; - if (bfd_seek (abfd, 0L, false) < 0) return 0; - - rawptr = bfd_zalloc (abfd, core_size + sizeof (struct suncordata)); - if (rawptr == NULL) { - bfd_error = no_memory; + if (bfd_seek (abfd, (file_ptr) 0, SEEK_SET) < 0) return 0; - } - core = (struct core *) (rawptr + sizeof (struct suncordata)); + mergem = (struct mergem *) bfd_zalloc (abfd, core_size + sizeof (struct mergem)); + if (mergem == NULL) + { + bfd_set_error (bfd_error_no_memory); + return 0; + } - if ((bfd_read ((PTR) core, 1, core_size, abfd)) != core_size) { - bfd_error = system_call_error; - bfd_release (abfd, rawptr); - return 0; - } + extcore = mergem->external_core; + + if ((bfd_read ((PTR) extcore, 1, core_size, abfd)) != core_size) + { + bfd_release (abfd, (char *) mergem); + return 0; + } - swapcore (abfd, core); - set_tdata (abfd, ((struct suncordata *) rawptr)); - core_hdr (abfd) = core; + /* Validate that it's a core file we know how to handle, due to sun + botching the positioning of registers and other fields in a machine + dependent way. */ + core = &mergem->internal_sunos_core; + switch (core_size) + { + case SPARC_CORE_LEN: + swapcore_sparc (abfd, extcore, core); + break; + case SUN3_CORE_LEN: + swapcore_sun3 (abfd, extcore, core); + break; + default: + bfd_set_error (bfd_error_system_call); /* FIXME */ + bfd_release (abfd, (char *) mergem); + return 0; + } + + abfd->tdata.sun_core_data = &mergem->suncoredata; + abfd->tdata.sun_core_data->hdr = core; /* create the sections. This is raunchy, but bfd_close wants to reclaim them */ core_stacksec (abfd) = (asection *) bfd_zalloc (abfd, sizeof (asection)); - if (core_stacksec (abfd) == NULL) { - loser: - bfd_error = no_memory; - bfd_release (abfd, rawptr); - return 0; - } + if (core_stacksec (abfd) == NULL) + { + loser: + bfd_set_error (bfd_error_no_memory); + bfd_release (abfd, (char *) mergem); + return 0; + } core_datasec (abfd) = (asection *) bfd_zalloc (abfd, sizeof (asection)); - if (core_datasec (abfd) == NULL) { - loser1: - bfd_release (abfd, core_stacksec (abfd)); - goto loser; - } + if (core_datasec (abfd) == NULL) + { + loser1: + bfd_release (abfd, core_stacksec (abfd)); + goto loser; + } core_regsec (abfd) = (asection *) bfd_zalloc (abfd, sizeof (asection)); - if (core_regsec (abfd) == NULL) { - loser2: - bfd_release (abfd, core_datasec (abfd)); - goto loser1; - } + if (core_regsec (abfd) == NULL) + { + loser2: + bfd_release (abfd, core_datasec (abfd)); + goto loser1; + } core_reg2sec (abfd) = (asection *) bfd_zalloc (abfd, sizeof (asection)); - if (core_reg2sec (abfd) == NULL) { - bfd_release (abfd, core_regsec (abfd)); - goto loser2; - } + if (core_reg2sec (abfd) == NULL) + { + bfd_release (abfd, core_regsec (abfd)); + goto loser2; + } core_stacksec (abfd)->name = ".stack"; core_datasec (abfd)->name = ".data"; core_regsec (abfd)->name = ".reg"; core_reg2sec (abfd)->name = ".reg2"; - core_stacksec (abfd)->flags = SEC_ALLOC + SEC_LOAD; - core_datasec (abfd)->flags = SEC_ALLOC + SEC_LOAD; - core_regsec (abfd)->flags = SEC_ALLOC; - core_reg2sec (abfd)->flags = SEC_ALLOC; + core_stacksec (abfd)->flags = SEC_ALLOC + SEC_LOAD + SEC_HAS_CONTENTS; + core_datasec (abfd)->flags = SEC_ALLOC + SEC_LOAD + SEC_HAS_CONTENTS; + core_regsec (abfd)->flags = SEC_ALLOC + SEC_HAS_CONTENTS; + core_reg2sec (abfd)->flags = SEC_ALLOC + SEC_HAS_CONTENTS; - core_stacksec (abfd)->size = core->c_ssize; - core_datasec (abfd)->size = core->c_dsize; - core_regsec (abfd)->size = (sizeof core->c_regs); - /* Float regs take up end of struct, except c_ucode. */ - core_reg2sec (abfd)->size = core_size - (sizeof core->c_ucode) - - (file_ptr)(((struct core *)0)->fp_stuff); + core_stacksec (abfd)->_raw_size = core->c_ssize; + core_datasec (abfd)->_raw_size = core->c_dsize; + core_regsec (abfd)->_raw_size = core->c_regs_size; + core_reg2sec (abfd)->_raw_size = core->fp_stuff_size; - core_stacksec (abfd)->vma = (USRSTACK - core->c_ssize); - core_datasec (abfd)->vma = N_DATADDR(core->c_aouthdr); - core_regsec (abfd)->vma = -1; - core_reg2sec (abfd)->vma = -1; + core_stacksec (abfd)->vma = (core->c_stacktop - core->c_ssize); + core_datasec (abfd)->vma = N_DATADDR (core->c_aouthdr); + core_regsec (abfd)->vma = 0; + core_reg2sec (abfd)->vma = 0; core_stacksec (abfd)->filepos = core->c_len + core->c_dsize; core_datasec (abfd)->filepos = core->c_len; - /* In file header: */ - core_regsec (abfd)->filepos = (file_ptr)(&((struct core *)0)->c_regs); - core_reg2sec (abfd)->filepos = (file_ptr)(((struct core *)0)->fp_stuff); + /* We'll access the regs afresh in the core file, like any section: */ + core_regsec (abfd)->filepos = (file_ptr) core->c_regs_pos; + core_reg2sec (abfd)->filepos = (file_ptr) core->fp_stuff_pos; /* Align to word at least */ core_stacksec (abfd)->alignment_power = 2; @@ -386,106 +566,111 @@ DEFUN(sunos4_core_file_p,(abfd), return abfd->xvec; } -static char *sunos4_core_file_failing_command (abfd) -bfd *abfd; - { - return core_hdr (abfd)->c_cmdname; +static char * +sunos4_core_file_failing_command (abfd) + bfd *abfd; +{ + return core_hdr (abfd)->hdr->c_cmdname; } static int -DEFUN(sunos4_core_file_failing_signal,(abfd), - bfd *abfd) +sunos4_core_file_failing_signal (abfd) + bfd *abfd; { - return core_hdr (abfd)->c_signo; + return core_hdr (abfd)->hdr->c_signo; } static boolean -DEFUN(sunos4_core_file_matches_executable_p, (core_bfd, exec_bfd), - bfd *core_bfd AND - bfd *exec_bfd) +sunos4_core_file_matches_executable_p (core_bfd, exec_bfd) + bfd *core_bfd; + bfd *exec_bfd; { - if (core_bfd->xvec != exec_bfd->xvec) { - bfd_error = system_call_error; - return false; - } + if (core_bfd->xvec != exec_bfd->xvec) + { + bfd_set_error (bfd_error_system_call); + return false; + } - return (bcmp ((char *)&core_hdr (core_bfd), (char*) &exec_hdr (exec_bfd), - sizeof (struct internal_exec)) == 0) ? true : false; + return (memcmp ((char *) &((core_hdr (core_bfd)->hdr)->c_aouthdr), + (char *) exec_hdr (exec_bfd), + sizeof (struct internal_exec)) == 0) ? true : false; } -/* byte-swap core structure */ -/* FIXME, this needs more work to swap IN a core struct from raw bytes */ -static void -DEFUN(swapcore,(abfd, core), - bfd *abfd AND - struct core *core) +#define MY_set_sizes sunos4_set_sizes +static boolean +sunos4_set_sizes (abfd) + bfd *abfd; { - struct external_exec exec_bytes; - - core->c_magic = bfd_h_get_32 (abfd, (unsigned char *)&core->c_magic); - core->c_len = bfd_h_get_32 (abfd, (unsigned char *)&core->c_len ); - /* Leave integer registers in target byte order. */ - bcopy ((char *)&(core->c_aouthdr), (char *)&exec_bytes, EXEC_BYTES_SIZE); - NAME(aout,swap_exec_header_in)(abfd, &exec_bytes, &core->c_aouthdr); - core->c_signo = bfd_h_get_32 (abfd, (unsigned char *)&core->c_signo); - core->c_tsize = bfd_h_get_32 (abfd, (unsigned char *)&core->c_tsize); - core->c_dsize = bfd_h_get_32 (abfd, (unsigned char *)&core->c_dsize); - core->c_ssize = bfd_h_get_32 (abfd, (unsigned char *)&core->c_ssize); - /* Leave FP registers in target byte order. */ - /* Leave "c_ucode" unswapped for now, since we can't find it easily. */ + switch (bfd_get_arch (abfd)) + { + default: + return false; + case bfd_arch_sparc: + adata (abfd).page_size = 0x2000; + adata (abfd).segment_size = 0x2000; + adata (abfd).exec_bytes_size = EXEC_BYTES_SIZE; + return true; + case bfd_arch_m68k: + adata (abfd).page_size = 0x2000; + adata (abfd).segment_size = 0x20000; + adata (abfd).exec_bytes_size = EXEC_BYTES_SIZE; + return true; + } } - -/* We use BFD generic archive files. */ -#define aout_32_openr_next_archived_file bfd_generic_openr_next_archived_file -#define aout_32_generic_stat_arch_elt bfd_generic_stat_arch_elt -#define aout_32_slurp_armap bfd_slurp_bsd_armap -#define aout_32_slurp_extended_name_table bfd_true -#define aout_32_write_armap bsd_write_armap -#define aout_32_truncate_arname bfd_bsd_truncate_arname -#define aout_32_machine_type sunos_machine_type - -#define aout_32_core_file_failing_command sunos4_core_file_failing_command -#define aout_32_core_file_failing_signal sunos4_core_file_failing_signal -#define aout_32_core_file_matches_executable_p sunos4_core_file_matches_executable_p - - -#define aout_64_openr_next_archived_file bfd_generic_openr_next_archived_file -#define aout_64_generic_stat_arch_elt bfd_generic_stat_arch_elt -#define aout_64_slurp_armap bfd_slurp_bsd_armap -#define aout_64_slurp_extended_name_table bfd_true -#define aout_64_write_armap bsd_write_armap -#define aout_64_truncate_arname bfd_bsd_truncate_arname -#define aout_64_machine_type sunos_machine_type - -#define aout_64_core_file_failing_command sunos4_core_file_failing_command -#define aout_64_core_file_failing_signal sunos4_core_file_failing_signal -#define aout_64_core_file_matches_executable_p sunos4_core_file_matches_executable_p - -/* We implement these routines ourselves, rather than using the generic -a.out versions. */ -#define aout_write_object_contents sunos4_write_object_contents - -bfd_target VECNAME = - { -TARGETNAME, - bfd_target_aout_flavour_enum, - true, /* target byte order */ - true, /* target headers byte order */ - (HAS_RELOC | EXEC_P | /* object flags */ - HAS_LINENO | HAS_DEBUG | - HAS_SYMS | HAS_LOCALS | DYNAMIC | WP_TEXT | D_PAGED), - (SEC_HAS_CONTENTS | SEC_ALLOC | SEC_LOAD | SEC_RELOC), /* section flags */ - ' ', /* ar_pad_char */ - 16, /* ar_max_namelen */ - _do_getb64, _do_putb64, _do_getb32, _do_putb32, _do_getb16, _do_putb16, /* data */ - _do_getb64, _do_putb64, _do_getb32, _do_putb32, _do_getb16, _do_putb16, /* hdrs */ - - {_bfd_dummy_target, NAME(sunos,object_p), - bfd_generic_archive_p, sunos4_core_file_p}, - {bfd_false, NAME(aout,mkobject), - _bfd_generic_mkarchive, bfd_false}, - {bfd_false, NAME(aout,sunos4_write_object_contents), /* bfd_write_contents */ - _bfd_write_archive_contents, bfd_false}, - - JUMP_TABLE(JNAME(aout)) + +/* We default to setting the toolversion field to 1, as is required by + SunOS. */ +#ifndef MY_exec_hdr_flags +#define MY_exec_hdr_flags 1 +#endif + +#ifndef MY_add_dynamic_symbols +#define MY_add_dynamic_symbols 0 +#endif +#ifndef MY_add_one_symbol +#define MY_add_one_symbol 0 +#endif +#ifndef MY_link_dynamic_object +#define MY_link_dynamic_object 0 +#endif +#ifndef MY_write_dynamic_symbol +#define MY_write_dynamic_symbol 0 +#endif +#ifndef MY_check_dynamic_reloc +#define MY_check_dynamic_reloc 0 +#endif +#ifndef MY_finish_dynamic_link +#define MY_finish_dynamic_link 0 +#endif + +static CONST struct aout_backend_data sunos4_aout_backend = +{ + 0, /* zmagic files are not contiguous */ + 1, /* text includes header */ + MY_exec_hdr_flags, + 0, /* default text vma */ + sunos4_set_sizes, + 0, /* header is counted in zmagic text */ + MY_add_dynamic_symbols, + MY_add_one_symbol, + MY_link_dynamic_object, + MY_write_dynamic_symbol, + MY_check_dynamic_reloc, + MY_finish_dynamic_link }; + +#define MY_core_file_failing_command sunos4_core_file_failing_command +#define MY_core_file_failing_signal sunos4_core_file_failing_signal +#define MY_core_file_matches_executable_p sunos4_core_file_matches_executable_p + +#define MY_bfd_debug_info_start bfd_void +#define MY_bfd_debug_info_end bfd_void +#define MY_bfd_debug_info_accumulate \ + (void (*) PARAMS ((bfd *, struct sec *))) bfd_void +#define MY_core_file_p sunos4_core_file_p +#define MY_write_object_contents NAME(aout,sunos4_write_object_contents) +#define MY_backend_data &sunos4_aout_backend + +#define TARGET_IS_BIG_ENDIAN_P + +#include "aout-target.h"