diff options
Diffstat (limited to 'bfd/aoutf1.h')
| -rw-r--r-- | bfd/aoutf1.h | 747 |
1 files changed, 0 insertions, 747 deletions
diff --git a/bfd/aoutf1.h b/bfd/aoutf1.h deleted file mode 100644 index cb8e403..0000000 --- a/bfd/aoutf1.h +++ /dev/null @@ -1,747 +0,0 @@ -/* A.out "format 1" file handling code for BFD. - Copyright (C) 1990-2018 Free Software Foundation, Inc. - Written by Cygnus Support. - - This file is part of BFD, the Binary File Descriptor library. - - 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 3 of the License, or - (at your option) any later version. - - 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 this program; if not, write to the Free Software - Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston, - MA 02110-1301, USA. */ - -#include "sysdep.h" -#include "bfd.h" -#include "libbfd.h" - -#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. <kingdon@cygnus.com> - I needed to add M_UNKNOWN to recognize a 68000 object, so this will - probably no longer reject a NewsOS object. <ian@cygnus.com>. */ -#ifndef MACHTYPE_OK -#define MACHTYPE_OK(mtype) \ - ((mtype) == M_SPARC && bfd_lookup_arch (bfd_arch_sparc, 0) != NULL) -#endif - -/* 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. */ - -#if ARCH_SIZE == 64 -#define sunos_set_arch_mach sunos_64_set_arch_mach -#define sunos_write_object_contents aout_64_sunos4_write_object_contents -#else -#define sunos_set_arch_mach sunos_32_set_arch_mach -#define sunos_write_object_contents aout_32_sunos4_write_object_contents -#endif - -/* Merge backend data into the output file. - This is necessary on sparclet-aout where we want the resultant machine - number to be M_SPARCLET if any input file is M_SPARCLET. */ - -#define MY_bfd_merge_private_bfd_data sunos_merge_private_bfd_data - -static bfd_boolean -sunos_merge_private_bfd_data (bfd *ibfd, struct bfd_link_info *info) -{ - bfd *obfd = info->output_bfd; - if (bfd_get_flavour (ibfd) != bfd_target_aout_flavour - || bfd_get_flavour (obfd) != bfd_target_aout_flavour) - return TRUE; - - if (bfd_get_arch (obfd) == bfd_arch_sparc) - { - if (bfd_get_mach (obfd) < bfd_get_mach (ibfd)) - bfd_set_arch_mach (obfd, bfd_arch_sparc, bfd_get_mach (ibfd)); - } - - return TRUE; -} - -/* This is either sunos_32_set_arch_mach or sunos_64_set_arch_mach, - depending upon ARCH_SIZE. */ - -static void -sunos_set_arch_mach (bfd *abfd, enum machine_type machtype) -{ - /* Determine the architecture and machine type of the object file. */ - enum bfd_architecture arch; - unsigned long machine; - - switch (machtype) - { - case M_SPARC: - arch = bfd_arch_sparc; - machine = 0; - break; - - case M_SPARCLET: - arch = bfd_arch_sparc; - machine = bfd_mach_sparc_sparclet; - break; - - case M_SPARCLITE_LE: - arch = bfd_arch_sparc; - machine = bfd_mach_sparc_sparclite_le; - break; - - case M_386: - case M_386_DYNIX: - arch = bfd_arch_i386; - machine = 0; - break; - - default: - arch = bfd_arch_obscure; - machine = 0; - break; - } - bfd_set_arch_mach (abfd, arch, machine); -} - -#define SET_ARCH_MACH(ABFD, EXECP) \ - NAME(sunos,set_arch_mach) (ABFD, N_MACHTYPE (EXECP)); \ - choose_reloc_size(ABFD); - -/* Determine the size of a relocation entry, based on the architecture. */ - -static void -choose_reloc_size (bfd *abfd) -{ - switch (bfd_get_arch (abfd)) - { - case bfd_arch_sparc: - obj_reloc_entry_size (abfd) = RELOC_EXT_SIZE; - break; - default: - obj_reloc_entry_size (abfd) = RELOC_STD_SIZE; - break; - } -} - -/* Write an object file in SunOS format. Section contents have - already been written. We write the file header, symbols, and - relocation. The real name of this function is either - aout_64_sunos4_write_object_contents or - aout_32_sunos4_write_object_contents, depending upon ARCH_SIZE. */ - -static bfd_boolean -sunos_write_object_contents (bfd *abfd) -{ - struct external_exec exec_bytes; - struct internal_exec *execp = exec_hdr (abfd); - - /* Magic number, maestro, please! */ - switch (bfd_get_arch (abfd)) - { - case bfd_arch_sparc: - switch (bfd_get_mach (abfd)) - { - case bfd_mach_sparc_sparclet: - N_SET_MACHTYPE (execp, M_SPARCLET); - break; - case bfd_mach_sparc_sparclite_le: - N_SET_MACHTYPE (execp, M_SPARCLITE_LE); - break; - default: - N_SET_MACHTYPE (execp, M_SPARC); - break; - } - break; - case bfd_arch_i386: - N_SET_MACHTYPE (execp, M_386); - break; - default: - N_SET_MACHTYPE (execp, M_UNKNOWN); - } - - choose_reloc_size (abfd); - - N_SET_FLAGS (execp, aout_backend_info (abfd)->exec_hdr_flags); - - N_SET_DYNAMIC (execp, (long)(bfd_get_file_flags (abfd) & DYNAMIC)); - - WRITE_HEADERS (abfd, execp); - - return TRUE; -} - -/* Core files. */ - -#define CORE_MAGIC 0x080456 -#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. */ - -/* 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 -{ - int r_psr; - int r_pc; - int r_npc; - int r_y; - int r_g1; - int r_g2; - int r_g3; - int r_g4; - int r_g5; - int r_g6; - int r_g7; - int r_o0; - int r_o1; - int r_o2; - int r_o3; - int r_o4; - int r_o5; - int r_o6; - int r_o7; -}; - -/* 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 external_sparc_core -{ - int c_magic; /* Corefile magic number. */ - int c_len; /* Sizeof (struct core). */ -#define SPARC_CORE_LEN 432 - struct regs c_regs; /* 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. */ -}; - -/* Core files generated by the BCP (the part of Solaris which allows - it to run SunOS4 a.out files). */ -struct external_solaris_bcp_core -{ - int c_magic; /* Corefile magic number. */ - int c_len; /* Sizeof (struct core). */ -#define SOLARIS_BCP_CORE_LEN 456 - struct regs c_regs; /* General purpose registers -- MACHDEP SIZE. */ - int c_exdata_vp; /* Exdata structure. */ - int c_exdata_tsize; - int c_exdata_dsize; - int c_exdata_bsize; - int c_exdata_lsize; - int c_exdata_nshlibs; - short c_exdata_mach; - short c_exdata_mag; - int c_exdata_toffset; - int c_exdata_doffset; - int c_exdata_loffset; - int c_exdata_txtorg; - int c_exdata_datorg; - int c_exdata_entloc; - 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. */ -}; - -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. */ -}; - -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). */ - bfd_vma c_data_addr; /* Data start (address). */ - 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 (bfd *abfd, char *ext, struct internal_sunos_core *intcore) -{ - struct external_sun3_core *extcore = (struct external_sun3_core *) ext; - - intcore->c_magic = H_GET_32 (abfd, &extcore->c_magic); - intcore->c_len = H_GET_32 (abfd, &extcore->c_len); - intcore->c_regs_pos = offsetof (struct external_sun3_core, 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 = H_GET_32 (abfd, &extcore->c_signo); - intcore->c_tsize = H_GET_32 (abfd, &extcore->c_tsize); - intcore->c_dsize = H_GET_32 (abfd, &extcore->c_dsize); - intcore->c_data_addr = N_DATADDR (&intcore->c_aouthdr); - intcore->c_ssize = H_GET_32 (abfd, &extcore->c_ssize); - memcpy (intcore->c_cmdname, extcore->c_cmdname, sizeof (intcore->c_cmdname)); - intcore->fp_stuff_pos = offsetof (struct external_sun3_core, fp_stuff); - /* FP stuff takes up whole rest of struct, except c_ucode. */ - intcore->fp_stuff_size = intcore->c_len - (sizeof extcore->c_ucode) - - offsetof (struct external_sun3_core, fp_stuff); - /* Ucode is the last thing in the struct -- just before the end. */ - intcore->c_ucode = H_GET_32 (abfd, - (intcore->c_len - - sizeof (extcore->c_ucode) - + (unsigned char *) extcore)); - intcore->c_stacktop = 0x0E000000; /* By experimentation. */ -} - -/* Byte-swap in the Sparc core structure. */ - -static void -swapcore_sparc (bfd *abfd, char *ext, struct internal_sunos_core *intcore) -{ - struct external_sparc_core *extcore = (struct external_sparc_core *) ext; - - intcore->c_magic = H_GET_32 (abfd, &extcore->c_magic); - intcore->c_len = H_GET_32 (abfd, &extcore->c_len); - intcore->c_regs_pos = offsetof (struct external_sparc_core, 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 = H_GET_32 (abfd, &extcore->c_signo); - intcore->c_tsize = H_GET_32 (abfd, &extcore->c_tsize); - intcore->c_dsize = H_GET_32 (abfd, &extcore->c_dsize); - intcore->c_data_addr = N_DATADDR (&intcore->c_aouthdr); - intcore->c_ssize = H_GET_32 (abfd, &extcore->c_ssize); - memcpy (intcore->c_cmdname, extcore->c_cmdname, sizeof (intcore->c_cmdname)); - intcore->fp_stuff_pos = offsetof (struct external_sparc_core, fp_stuff); - /* FP stuff takes up whole rest of struct, except c_ucode. */ - intcore->fp_stuff_size = intcore->c_len - (sizeof extcore->c_ucode) - - offsetof (struct external_sparc_core, fp_stuff); - /* Ucode is the last thing in the struct -- just before the end. */ - intcore->c_ucode = 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 = H_GET_32 (abfd, &extcore->c_regs.r_o6); - if (sp < SPARC_USRSTACK_SPARC10) - intcore->c_stacktop = SPARC_USRSTACK_SPARC10; - else - intcore->c_stacktop = SPARC_USRSTACK_SPARC2; - } -} - -/* Byte-swap in the Solaris BCP core structure. */ - -static void -swapcore_solaris_bcp (bfd *abfd, char *ext, struct internal_sunos_core *intcore) -{ - struct external_solaris_bcp_core *extcore = - (struct external_solaris_bcp_core *) ext; - - intcore->c_magic = H_GET_32 (abfd, &extcore->c_magic); - intcore->c_len = H_GET_32 (abfd, &extcore->c_len); - intcore->c_regs_pos = offsetof (struct external_solaris_bcp_core, c_regs); - intcore->c_regs_size = sizeof (extcore->c_regs); - - /* The Solaris BCP exdata structure does not contain an a_syms field, - so we are unable to synthesize an internal exec header. - Luckily we are able to figure out the start address of the data section, - which is the only thing needed from the internal exec header, - from the exdata structure. - - As of Solaris 2.3, BCP core files for statically linked executables - are buggy. The exdata structure is not properly filled in, and - the data section is written from address zero instead of the data - start address. */ - memset ((void *) &intcore->c_aouthdr, 0, sizeof (struct internal_exec)); - intcore->c_data_addr = H_GET_32 (abfd, &extcore->c_exdata_datorg); - intcore->c_signo = H_GET_32 (abfd, &extcore->c_signo); - intcore->c_tsize = H_GET_32 (abfd, &extcore->c_tsize); - intcore->c_dsize = H_GET_32 (abfd, &extcore->c_dsize); - intcore->c_ssize = H_GET_32 (abfd, &extcore->c_ssize); - memcpy (intcore->c_cmdname, extcore->c_cmdname, sizeof (intcore->c_cmdname)); - intcore->fp_stuff_pos = - offsetof (struct external_solaris_bcp_core, fp_stuff); - /* FP stuff takes up whole rest of struct, except c_ucode. */ - intcore->fp_stuff_size = intcore->c_len - (sizeof extcore->c_ucode) - - offsetof (struct external_solaris_bcp_core, fp_stuff); - /* Ucode is the last thing in the struct -- just before the end */ - intcore->c_ucode = 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 = H_GET_32 (abfd, &extcore->c_regs.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 sun_core_struct -{ - struct internal_sunos_core *hdr; /* Core file header. */ - asection *data_section; - asection *stack_section; - asection *reg_section; - asection *reg2_section; -}; - -static const bfd_target * -sunos4_core_file_p (bfd *abfd) -{ - unsigned char longbuf[4]; /* Raw bytes of various header fields. */ - bfd_size_type core_size, amt; - unsigned long core_mag; - 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; - flagword flags; - - if (bfd_bread ((void *) longbuf, (bfd_size_type) sizeof (longbuf), abfd) - != sizeof (longbuf)) - return NULL; - core_mag = H_GET_32 (abfd, longbuf); - - if (core_mag != CORE_MAGIC) - return NULL; - - /* SunOS core headers can vary in length; second word is size; */ - if (bfd_bread ((void *) longbuf, (bfd_size_type) sizeof (longbuf), abfd) - != sizeof (longbuf)) - return NULL; - core_size = H_GET_32 (abfd, longbuf); - /* Sanity check. */ - if (core_size > 20000) - return NULL; - - if (bfd_seek (abfd, (file_ptr) 0, SEEK_SET) != 0) - return NULL; - - amt = core_size + sizeof (struct mergem); - mergem = bfd_zalloc (abfd, amt); - if (mergem == NULL) - return NULL; - - extcore = mergem->external_core; - - if ((bfd_bread ((void *) extcore, core_size, abfd)) != core_size) - { - loser: - bfd_release (abfd, (char *) mergem); - abfd->tdata.any = NULL; - bfd_section_list_clear (abfd); - return NULL; - } - - /* 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; - case SOLARIS_BCP_CORE_LEN: - swapcore_solaris_bcp (abfd, extcore, core); - break; - default: - bfd_set_error (bfd_error_system_call); /* FIXME. */ - goto loser; - } - - abfd->tdata.sun_core_data = &mergem->suncoredata; - abfd->tdata.sun_core_data->hdr = core; - - /* Create the sections. */ - flags = SEC_ALLOC + SEC_LOAD + SEC_HAS_CONTENTS; - core_stacksec (abfd) = bfd_make_section_anyway_with_flags (abfd, ".stack", - flags); - if (core_stacksec (abfd) == NULL) - /* bfd_release frees everything allocated after it's arg. */ - goto loser; - - flags = SEC_ALLOC + SEC_LOAD + SEC_HAS_CONTENTS; - core_datasec (abfd) = bfd_make_section_anyway_with_flags (abfd, ".data", - flags); - if (core_datasec (abfd) == NULL) - goto loser; - - flags = SEC_HAS_CONTENTS; - core_regsec (abfd) = bfd_make_section_anyway_with_flags (abfd, ".reg", - flags); - if (core_regsec (abfd) == NULL) - goto loser; - - flags = SEC_HAS_CONTENTS; - core_reg2sec (abfd) = bfd_make_section_anyway_with_flags (abfd, ".reg2", - flags); - if (core_reg2sec (abfd) == NULL) - goto loser; - - core_stacksec (abfd)->size = core->c_ssize; - core_datasec (abfd)->size = core->c_dsize; - core_regsec (abfd)->size = core->c_regs_size; - core_reg2sec (abfd)->size = core->fp_stuff_size; - - core_stacksec (abfd)->vma = (core->c_stacktop - core->c_ssize); - core_datasec (abfd)->vma = core->c_data_addr; - 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; - /* 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; - core_datasec (abfd)->alignment_power = 2; - core_regsec (abfd)->alignment_power = 2; - core_reg2sec (abfd)->alignment_power = 2; - - return abfd->xvec; -} - -static char * -sunos4_core_file_failing_command (bfd *abfd) -{ - return core_hdr (abfd)->hdr->c_cmdname; -} - -static int -sunos4_core_file_failing_signal (bfd *abfd) -{ - return core_hdr (abfd)->hdr->c_signo; -} - -static bfd_boolean -sunos4_core_file_matches_executable_p (bfd *core_bfd, bfd *exec_bfd) -{ - if (core_bfd->xvec != exec_bfd->xvec) - { - bfd_set_error (bfd_error_system_call); - return FALSE; - } - - /* Solaris core files do not include an aouthdr. */ - if ((core_hdr (core_bfd)->hdr)->c_len == SOLARIS_BCP_CORE_LEN) - return TRUE; - - return memcmp ((char *) &((core_hdr (core_bfd)->hdr)->c_aouthdr), - (char *) exec_hdr (exec_bfd), - sizeof (struct internal_exec)) == 0; -} - -#define MY_set_sizes sunos4_set_sizes - -static bfd_boolean -sunos4_set_sizes (bfd *abfd) -{ - 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; - } -} - -/* 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_entry_is_text_address -#define MY_entry_is_text_address 0 -#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_entry_is_text_address, - 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_bfd -#define MY_bfd_debug_info_end _bfd_void_bfd -#define MY_bfd_debug_info_accumulate _bfd_void_bfd_asection -#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 - -#ifndef TARGET_IS_LITTLE_ENDIAN_P -#define TARGET_IS_BIG_ENDIAN_P -#endif - -#include "aout-target.h" |