diff options
author | John Gilmore <gnu@cygnus> | 1991-05-10 23:56:32 +0000 |
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committer | John Gilmore <gnu@cygnus> | 1991-05-10 23:56:32 +0000 |
commit | e2aed73b28bd028f357affe9b4d58d0abdbdc43c (patch) | |
tree | 04b622c16373d0b41b25b90510e3045ab4c6ab0b | |
parent | 69ebee8678d423ef9b0eb88e0f74f998d3dc258c (diff) | |
download | gdb-e2aed73b28bd028f357affe9b4d58d0abdbdc43c.zip gdb-e2aed73b28bd028f357affe9b4d58d0abdbdc43c.tar.gz gdb-e2aed73b28bd028f357affe9b4d58d0abdbdc43c.tar.bz2 |
REMOVE ALL SUNOS SUPPORT TO SEPARATE MODULE.
This is now a generic module for a.out handling.
Rename all routines from sunos4_xxx to aout_xxx. Remove Sun-specific
code. Remove transfer vectors. Pull core file handling. Lint.
Remove close_and_cleanup.
-rwxr-xr-x | bfd/aout.c | 701 |
1 files changed, 129 insertions, 572 deletions
@@ -1,5 +1,4 @@ -/*** bfd backend for sunos binaries */ -/** a.out files */ +/* BFD semi-generic back-end for a.out binaries */ /* Copyright (C) 1990, 1991 Free Software Foundation, Inc. @@ -19,14 +18,11 @@ 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. */ -/* $Id$ */ - #include <ansidecl.h> #include "sysdep.h" #include "bfd.h" #include "libbfd.h" -#include "a.out.sun4.h" #include "a.out.gnu.h" #include "stab.gnu.h" #include "ar.h" @@ -86,24 +82,7 @@ HOWTO( 7, 0, 3, 64, true, 0, false, true,0,"DISP64", true, 0xfeedfac bfd_error_vector_type bfd_error_vector; -PROTO (void , sunos4_write_syms, ()); -PROTO (static boolean,sunos4_squirt_out_relocs,(bfd *abfd, asection *section)); - - -static size_t -reloc_size_func(abfd) -bfd *abfd; -{ - switch (bfd_get_architecture (abfd)) { - case bfd_arch_sparc: - case bfd_arch_a29k: - return RELOC_EXT_SIZE; - default: - return RELOC_STD_SIZE; - } -} - -static void +void DEFUN(bfd_aout_swap_exec_header_in,(abfd, raw_bytes, execp), bfd *abfd AND unsigned char *raw_bytes AND @@ -122,7 +101,7 @@ DEFUN(bfd_aout_swap_exec_header_in,(abfd, raw_bytes, execp), execp->a_drsize = bfd_h_getlong (abfd, bytes->a_drsize); } -static void +void DEFUN(bfd_aout_swap_exec_header_out,(abfd, execp, raw_bytes), bfd *abfd AND struct exec *execp AND @@ -141,26 +120,24 @@ DEFUN(bfd_aout_swap_exec_header_out,(abfd, execp, raw_bytes), bfd_h_putlong (abfd, execp->a_drsize, bytes->a_drsize); } +/* Some A.OUT variant thinks that the file whose format we're checking + is an a.out file. Do some more checking, and set up for access if + it really is. Call back to the calling environment's "finish up" + function just before returning, to handle any last-minute setup. */ + bfd_target * -sunos4_object_p (abfd) +some_aout_object_p (abfd, callback_to_real_object_p) bfd *abfd; + bfd_target *(*callback_to_real_object_p) (); { - unsigned char magicbuf[4]; /* Raw bytes of magic number from file */ - unsigned long magic; /* Swapped magic number */ unsigned char exec_bytes[EXEC_BYTES_SIZE]; /* Raw bytes of exec hdr */ struct exec *execp; PTR rawptr; - bfd_error = system_call_error; - - if (bfd_read ((PTR)magicbuf, 1, sizeof (magicbuf), abfd) != - sizeof (magicbuf)) + if (bfd_seek (abfd, 0L, false) < 0) { + bfd_error = system_call_error; return 0; - magic = bfd_h_getlong (abfd, magicbuf); - - if (N_BADMAG (*((struct exec *) &magic))) return 0; - - if (bfd_seek (abfd, 0L, false) < 0) return 0; + } if (bfd_read ((PTR) exec_bytes, 1, EXEC_BYTES_SIZE, abfd) != EXEC_BYTES_SIZE) { @@ -169,16 +146,16 @@ sunos4_object_p (abfd) } /* Use an intermediate variable for clarity */ - rawptr = (PTR) bfd_zalloc (abfd, sizeof (struct sunexdata) + sizeof (struct exec)); + rawptr = (PTR) bfd_zalloc (abfd, sizeof (struct aoutdata) + sizeof (struct exec)); if (rawptr == NULL) { bfd_error = no_memory; return 0; } - set_tdata (abfd, ((struct sunexdata *) rawptr)); + set_tdata (abfd, ((struct aoutdata *) rawptr)); exec_hdr (abfd) = execp = - (struct exec *) ((char *)rawptr + sizeof (struct sunexdata)); + (struct exec *) ((char *)rawptr + sizeof (struct aoutdata)); bfd_aout_swap_exec_header_in (abfd, exec_bytes, execp); @@ -191,75 +168,38 @@ sunos4_object_p (abfd) if (execp->a_syms) abfd->flags |= HAS_LINENO | HAS_DEBUG | HAS_SYMS | HAS_LOCALS; - if (N_MAGIC (*execp) == ZMAGIC) abfd->flags |= D_PAGED; if (N_MAGIC (*execp) == NMAGIC) abfd->flags |= WP_TEXT; - /* Determine the architecture and machine type of the object file. */ - abfd->obj_arch = bfd_arch_unknown; /* Default values */ - abfd->obj_machine = 0; - switch (N_MACHTYPE (*execp)) { - - case M_UNKNOWN: - 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; - break; - - case M_386: - abfd->obj_arch = bfd_arch_i386; - break; - - case M_29K: - abfd->obj_arch = bfd_arch_a29k; - break; - - default: - abfd->obj_arch = bfd_arch_obscure; - break; - } - bfd_get_start_address (abfd) = execp->a_entry; + obj_aout_symbols (abfd) = (aout_symbol_type *)NULL; bfd_get_symcount (abfd) = execp->a_syms / sizeof (struct nlist); - /* Remember the positions of the string table and symbol table. */ - obj_str_filepos (abfd) = N_STROFF (*execp); - obj_sym_filepos (abfd) = N_SYMOFF (*execp); + /* Set the default architecture and machine type. These can be + overridden in the callback routine. */ + abfd->obj_arch = bfd_arch_unknown; + abfd->obj_machine = 0; + + /* The default relocation entry size is that of traditional V7 Unix. */ + obj_reloc_entry_size (abfd) = RELOC_STD_SIZE; /* create the sections. This is raunchy, but bfd_close wants to reclaim them */ obj_textsec (abfd) = (asection *)NULL; obj_datasec (abfd) = (asection *)NULL; obj_bsssec (abfd) = (asection *)NULL; - obj_aout_symbols(abfd) = (aout_symbol_type *)NULL; (void)bfd_make_section(abfd, ".text"); (void)bfd_make_section(abfd, ".data"); (void)bfd_make_section(abfd, ".bss"); + abfd->sections = obj_textsec (abfd); + obj_textsec (abfd)->next = obj_datasec (abfd); + obj_datasec (abfd)->next = obj_bsssec (abfd); + obj_datasec (abfd)->size = execp->a_data; obj_bsssec (abfd)->size = execp->a_bss; obj_textsec (abfd)->size = execp->a_text; - obj_datasec (abfd)->vma = N_DATADDR(*execp); - obj_bsssec (abfd)->vma = N_BSSADDR(*execp); - obj_textsec (abfd)->vma = N_TXTADDR(*execp); - - obj_textsec (abfd)->filepos = N_TXTOFF(*execp); - obj_datasec (abfd)->filepos = N_DATOFF(*execp); - - obj_textsec (abfd)->rel_filepos = N_TRELOFF(*execp); - obj_datasec (abfd)->rel_filepos = N_DRELOFF(*execp); obj_textsec (abfd)->flags = (execp->a_trsize != 0 ? (SEC_ALLOC | SEC_LOAD | SEC_RELOC | SEC_HAS_CONTENTS) : @@ -269,15 +209,70 @@ sunos4_object_p (abfd) (SEC_ALLOC | SEC_LOAD | SEC_HAS_CONTENTS)); obj_bsssec (abfd)->flags = SEC_ALLOC; - abfd->sections = obj_textsec (abfd); - obj_textsec (abfd)->next = obj_datasec (abfd); - obj_datasec (abfd)->next = obj_bsssec (abfd); - return abfd->xvec; +#ifdef THIS_IS_ONLY_DOCUMENTATION + /* Call back to the format-dependent code to fill in the rest of the + fields and do any further cleanup. Things that should be filled + in by the callback: */ + + struct exec *execp = exec_hdr (abfd); + + /* The virtual memory addresses of the sections */ + obj_datasec (abfd)->vma = N_DATADDR(*execp); + obj_bsssec (abfd)->vma = N_BSSADDR(*execp); + obj_textsec (abfd)->vma = N_TXTADDR(*execp); + + /* The file offsets of the sections */ + obj_textsec (abfd)->filepos = N_TXTOFF(*execp); + obj_datasec (abfd)->filepos = N_DATOFF(*execp); + + /* The file offsets of the relocation info */ + obj_textsec (abfd)->rel_filepos = N_TRELOFF(*execp); + obj_datasec (abfd)->rel_filepos = N_DRELOFF(*execp); + + /* The file offsets of the string table and symbol table. */ + obj_str_filepos (abfd) = N_STROFF (*execp); + obj_sym_filepos (abfd) = N_SYMOFF (*execp); + + /* This common code can't fill in those things because they depend + on either the start address of the text segment, the rounding + up of virtual addersses between segments, or the starting file + position of the text segment -- all of which varies among different + versions of a.out. */ + + /* Determine the architecture and machine type of the object file. */ + switch (N_MACHTYPE (*exec_hdr (abfd))) { + default: + abfd->obj_arch = bfd_arch_obscure; + break; + } + + /* Determine the size of a relocation entry */ + switch (abfd->obj_arch) { + case bfd_arch_sparc: + case bfd_arch_a29k: + obj_reloc_entry_size (abfd) = RELOC_EXT_SIZE; + default: + obj_reloc_entry_size (abfd) = RELOC_STD_SIZE; + } + + return abfd->xvec; + + /* The architecture is encoded in various ways in various a.out variants, + or is not encoded at all in some of them. The relocation size depends + on the architecture and the a.out variant. Finally, the return value + is the bfd_target vector in use. If an error occurs, return zero and + set bfd_error to the appropriate error code. + + Formats such as b.out, which have additional fields in the a.out + header, should cope with them in this callback as well. */ +#endif /* DOCUMENTATION */ + + return (*callback_to_real_object_p)(abfd); } boolean -sunos4_mkobject (abfd) +aout_mkobject (abfd) bfd *abfd; { char *rawptr; @@ -285,15 +280,15 @@ sunos4_mkobject (abfd) bfd_error = system_call_error; /* Use an intermediate variable for clarity */ - rawptr = bfd_zalloc (abfd, sizeof (struct sunexdata) + sizeof (struct exec)); + rawptr = bfd_zalloc (abfd, sizeof (struct aoutdata) + sizeof (struct exec)); if (rawptr == NULL) { bfd_error = no_memory; return false; } - set_tdata (abfd, (struct sunexdata *) rawptr); - exec_hdr (abfd) = (struct exec *) (rawptr + sizeof (struct sunexdata)); + set_tdata (abfd, (struct aoutdata *) rawptr); + exec_hdr (abfd) = (struct exec *) (rawptr + sizeof (struct aoutdata)); /* For simplicity's sake we just make all the sections right here. */ @@ -314,7 +309,7 @@ sunos4_mkobject (abfd) If the architecture is understood, machine type 0 (default) should always be understood. */ -static enum machine_type +enum machine_type aout_machine_type (arch, machine) enum bfd_architecture arch; unsigned long machine; @@ -354,7 +349,7 @@ aout_machine_type (arch, machine) } boolean -sunos4_set_arch_mach (abfd, arch, machine) +aout_set_arch_mach (abfd, arch, machine) bfd *abfd; enum bfd_architecture arch; unsigned long machine; @@ -366,359 +361,11 @@ sunos4_set_arch_mach (abfd, arch, machine) return false; /* We can't represent this type */ return true; /* We're easy ... */ } - -boolean -sunos4_write_object_contents (abfd) - bfd *abfd; -{ - size_t data_pad = 0; - unsigned char exec_bytes[EXEC_BYTES_SIZE]; - struct exec *execp = exec_hdr (abfd); - - execp->a_text = obj_textsec (abfd)->size; - - /* Magic number, maestro, please! */ - switch (bfd_get_architecture(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; - } - break; - case bfd_arch_sparc: - N_SET_MACHTYPE(*execp, M_SPARC); - break; - case bfd_arch_i386: - N_SET_MACHTYPE(*execp, M_386); - break; - case bfd_arch_a29k: - N_SET_MACHTYPE(*execp, M_29K); - break; - default: - N_SET_MACHTYPE(*execp, M_UNKNOWN); - } - - N_SET_MAGIC (*execp, OMAGIC); - if (abfd->flags & D_PAGED) { - /* This is not strictly true, but will probably do for the default - case. FIXME. */ - execp->a_text = obj_textsec (abfd)->size + sizeof(struct exec); - N_SET_MAGIC (*execp, ZMAGIC); - } else if (abfd->flags & WP_TEXT) { - N_SET_MAGIC (*execp, NMAGIC); - } - N_SET_FLAGS (*execp, 0x1); /* copied from ld.c; who the hell knows? */ - - if (abfd->flags & D_PAGED) - { - data_pad = ((obj_datasec(abfd)->size + PAGE_SIZE -1) - & (- PAGE_SIZE)) - obj_datasec(abfd)->size; - - if (data_pad > obj_bsssec(abfd)->size) - execp->a_bss = 0; - else - execp->a_bss = obj_bsssec(abfd)->size - data_pad; - execp->a_data = obj_datasec(abfd)->size + data_pad; - - } - else { - execp->a_data = obj_datasec (abfd)->size; - execp->a_bss = obj_bsssec (abfd)->size; - } - - execp->a_syms = bfd_get_symcount (abfd) * sizeof (struct nlist); - execp->a_entry = bfd_get_start_address (abfd); - - execp->a_trsize = ((obj_textsec (abfd)->reloc_count) * - reloc_size_func(abfd)); - - execp->a_drsize = ((obj_datasec (abfd)->reloc_count) * - reloc_size_func(abfd)); - - bfd_aout_swap_exec_header_out (abfd, execp, exec_bytes); - - bfd_seek (abfd, 0L, false); - bfd_write ((PTR) exec_bytes, 1, EXEC_BYTES_SIZE, abfd); - - /* Now write out reloc info, followed by syms and strings */ - - if (bfd_get_symcount (abfd) != 0) - { - bfd_seek (abfd, - (long)(N_SYMOFF(*execp)), false); - - sunos4_write_syms (abfd); - - bfd_seek (abfd, (long)(N_TRELOFF(*execp)), false); - - if (!sunos4_squirt_out_relocs (abfd, obj_textsec (abfd))) return false; - bfd_seek (abfd, (long)(N_DRELOFF(*execp)), false); - - if (!sunos4_squirt_out_relocs (abfd, obj_datasec (abfd))) return false; - } - 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 core { - int c_magic; /* Corefile magic number */ - int c_len; /* Sizeof (struct core) */ - struct regs c_regs; /* General purpose registers */ - struct 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.) */ -}; - -/* 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)) - -PROTO (static void, swapcore, (bfd *abfd, struct core *core)); - -/* 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) - -/* 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; -}; - -bfd_target * -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) != - sizeof (longbuf)) - return 0; - core_mag = bfd_h_getlong (abfd, longbuf); - - 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) != - sizeof (longbuf)) - return 0; - core_size = bfd_h_getlong (abfd, longbuf); - /* Sanity check */ - 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; - return 0; - } - - core = (struct core *) (rawptr + sizeof (struct suncordata)); - - if ((bfd_read ((PTR) core, 1, core_size, abfd)) != core_size) { - bfd_error = system_call_error; - bfd_release (abfd, rawptr); - return 0; - } - - swapcore (abfd, core); - set_tdata (abfd, ((struct suncordata *) rawptr)); - core_hdr (abfd) = 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; - } - core_datasec (abfd) = (asection *) bfd_zalloc (abfd, sizeof (asection)); - 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; - } - core_reg2sec (abfd) = (asection *) bfd_zalloc (abfd, sizeof (asection)); - 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)->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)->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)->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); - - /* 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; - - abfd->sections = core_stacksec (abfd); - core_stacksec (abfd)->next = core_datasec (abfd); - core_datasec (abfd)->next = core_regsec (abfd); - core_regsec (abfd)->next = core_reg2sec (abfd); - - abfd->section_count = 4; - - return abfd->xvec; -} - -char * -sunos4_core_file_failing_command (abfd) - bfd *abfd; -{ - return core_hdr (abfd)->c_cmdname; -} - -int -sunos4_core_file_failing_signal (abfd) - bfd *abfd; -{ - return core_hdr (abfd)->c_signo; -} +/* exec and core file sections */ boolean -sunos4_core_file_matches_executable_p (core_bfd, exec_bfd) - bfd *core_bfd, *exec_bfd; -{ - if (core_bfd->xvec != exec_bfd->xvec) { - bfd_error = system_call_error; - return false; - } - - return (bcmp ((char *)&core_hdr (core_bfd), (char*) &exec_hdr (exec_bfd), - sizeof (struct exec)) == 0) ? true : false; -} - -/* byte-swap core structure */ -/* FIXME, this needs more work to swap IN a core struct from raw bytes */ -static void -swapcore (abfd, core) - bfd *abfd; - struct core *core; -{ - unsigned char exec_bytes[EXEC_BYTES_SIZE]; - - core->c_magic = bfd_h_getlong (abfd, (unsigned char *)&core->c_magic); - core->c_len = bfd_h_getlong (abfd, (unsigned char *)&core->c_len ); - /* Leave integer registers in target byte order. */ - bcopy ((char *)&(core->c_aouthdr), (char *)exec_bytes, EXEC_BYTES_SIZE); - bfd_aout_swap_exec_header_in (abfd, exec_bytes, &core->c_aouthdr); - core->c_signo = bfd_h_getlong (abfd, (unsigned char *)&core->c_signo); - core->c_tsize = bfd_h_getlong (abfd, (unsigned char *)&core->c_tsize); - core->c_dsize = bfd_h_getlong (abfd, (unsigned char *)&core->c_dsize); - core->c_ssize = bfd_h_getlong (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. */ -} - -/** exec and core file sections */ - -boolean -sunos4_new_section_hook (abfd, newsect) +aout_new_section_hook (abfd, newsect) bfd *abfd; asection *newsect; { @@ -747,10 +394,10 @@ sunos4_new_section_hook (abfd, newsect) } boolean -sunos4_set_section_contents (abfd, section, location, offset, count) +aout_set_section_contents (abfd, section, location, offset, count) bfd *abfd; sec_ptr section; - unsigned char *location; + PTR location; file_ptr offset; int count; { @@ -782,29 +429,9 @@ sunos4_set_section_contents (abfd, section, location, offset, count) } return true; } - -boolean -sunos4_get_section_contents (abfd, section, location, offset, count) - bfd *abfd; - sec_ptr section; - PTR location; - file_ptr offset; - int count; -{ - if (count) { - if (offset >= section->size) return false; - - bfd_seek (abfd, section->filepos + offset, SEEK_SET); - - return (bfd_read (location, 1, count, abfd) == count) ? true:false; - } - else return true; -} - /* Classify stabs symbols */ - #define sym_in_text_section(sym) \ (((sym)->n_type & (N_ABS | N_TEXT | N_DATA | N_BSS))== N_TEXT) @@ -1032,7 +659,7 @@ translate_to_native_sym_flags (sym_pointer, cache_ptr_g, abfd) hold them all plus all the cached symbol entries. */ asymbol * -sunos4_make_empty_symbol (abfd) +aout_make_empty_symbol (abfd) bfd *abfd; { aout_symbol_type *new = @@ -1043,7 +670,7 @@ bfd *abfd; } boolean -DEFUN(sunos4_slurp_symbol_table, (abfd), +DEFUN(aout_slurp_symbol_table, (abfd), bfd *abfd) { size_t symbol_size; @@ -1133,7 +760,7 @@ DEFUN(sunos4_slurp_symbol_table, (abfd), void -DEFUN(sunos4_write_syms,(abfd), +DEFUN(aout_write_syms,(abfd), bfd *abfd) { unsigned int count ; @@ -1203,30 +830,30 @@ DEFUN(sunos4_write_syms,(abfd), void -DEFUN(sunos4_reclaim_symbol_table,(abfd), +DEFUN(aout_reclaim_symbol_table,(abfd), bfd *abfd) { } unsigned int -sunos4_get_symtab_upper_bound (abfd) +aout_get_symtab_upper_bound (abfd) bfd *abfd; { - if (!sunos4_slurp_symbol_table (abfd)) return 0; + if (!aout_slurp_symbol_table (abfd)) return 0; return (bfd_get_symcount (abfd)+1) * (sizeof (aout_symbol_type *)); } unsigned int -sunos4_get_symtab (abfd, location) +aout_get_symtab (abfd, location) bfd *abfd; asymbol **location; { unsigned int counter = 0; aout_symbol_type *symbase; - if (!sunos4_slurp_symbol_table (abfd)) return 0; + if (!aout_slurp_symbol_table (abfd)) return 0; for (symbase = obj_aout_symbols(abfd); counter++ < bfd_get_symcount (abfd);) *(location++) = (asymbol *)( symbase++); @@ -1262,7 +889,7 @@ swap_std_reloc_out (abfd, g, natptr) r_addend = g->addend; /* Start here, see how it goes */ - /* name was clobbered by sunos4_write_syms to be symbol index */ + /* name was clobbered by aout_write_syms to be symbol index */ if (g->sym_ptr_ptr != NULL) { @@ -1348,7 +975,7 @@ swap_ext_reloc_out (abfd, g, natptr) r_addend = g->addend; /* Start here, see how it goes */ - /* name was clobbered by sunos4_write_syms to be symbol index*/ + /* name was clobbered by aout_write_syms to be symbol index*/ if (g->sym_ptr_ptr != NULL) { @@ -1450,7 +1077,7 @@ swap_ext_reloc_in (abfd, bytes, cache_ptr, symbols) int r_index; int r_extern; unsigned int r_type; - struct sunexdata *su = (struct sunexdata *)(abfd->tdata); + struct aoutdata *su = (struct aoutdata *)(abfd->tdata); cache_ptr->address = bfd_h_getlong (abfd, bytes->r_address); @@ -1487,7 +1114,7 @@ swap_std_reloc_in (abfd, bytes, cache_ptr, symbols) unsigned int r_length; int r_pcrel; int r_baserel, r_jmptable, r_relative; - struct sunexdata *su = (struct sunexdata *)(abfd->tdata); + struct aoutdata *su = (struct aoutdata *)(abfd->tdata); cache_ptr->address = bfd_h_getlong (abfd, bytes->r_address); @@ -1525,7 +1152,7 @@ swap_std_reloc_in (abfd, bytes, cache_ptr, symbols) /* Reloc hackery */ boolean -sunos4_slurp_reloc_table (abfd, asect, symbols) +aout_slurp_reloc_table (abfd, asect, symbols) bfd *abfd; sec_ptr asect; asymbol **symbols; @@ -1555,7 +1182,7 @@ sunos4_slurp_reloc_table (abfd, asect, symbols) doit: bfd_seek (abfd, asect->rel_filepos, SEEK_SET); - each_size = reloc_size_func(abfd); + each_size = obj_reloc_entry_size (abfd); count = reloc_size / each_size; @@ -1610,8 +1237,8 @@ nomem: /* Write out a relocation section into an object file. */ -static boolean -sunos4_squirt_out_relocs (abfd, section) +boolean +aout_squirt_out_relocs (abfd, section) bfd *abfd; asection *section; { @@ -1624,7 +1251,7 @@ sunos4_squirt_out_relocs (abfd, section) if (count == 0) return true; - each_size = reloc_size_func(abfd); + each_size = obj_reloc_entry_size (abfd); natsize = each_size * count; native = (unsigned char *) bfd_zalloc (abfd, natsize); if (!native) { @@ -1660,7 +1287,7 @@ sunos4_squirt_out_relocs (abfd, section) /* This is stupid. This function should be a boolean predicate */ unsigned int -sunos4_canonicalize_reloc (abfd, section, relptr, symbols) +aout_canonicalize_reloc (abfd, section, relptr, symbols) bfd *abfd; sec_ptr section; arelent **relptr; @@ -1669,7 +1296,7 @@ sunos4_canonicalize_reloc (abfd, section, relptr, symbols) arelent *tblptr = section->relocation; unsigned int count; - if (!(tblptr || sunos4_slurp_reloc_table (abfd, section, symbols))) + if (!(tblptr || aout_slurp_reloc_table (abfd, section, symbols))) return 0; if (section->flags & SEC_CONSTRUCTOR) { @@ -1694,7 +1321,7 @@ sunos4_canonicalize_reloc (abfd, section, relptr, symbols) } unsigned int -sunos4_get_reloc_upper_bound (abfd, asect) +aout_get_reloc_upper_bound (abfd, asect) bfd *abfd; sec_ptr asect; { @@ -1709,12 +1336,12 @@ sunos4_get_reloc_upper_bound (abfd, asect) if (asect == obj_datasec (abfd)) return (sizeof (arelent *) * - ((exec_hdr(abfd)->a_drsize / reloc_size_func(abfd)) + ((exec_hdr(abfd)->a_drsize / obj_reloc_entry_size (abfd)) +1)); if (asect == obj_textsec (abfd)) return (sizeof (arelent *) * - ((exec_hdr(abfd)->a_trsize / reloc_size_func(abfd)) + ((exec_hdr(abfd)->a_trsize / obj_reloc_entry_size (abfd)) +1)); bfd_error = invalid_operation; @@ -1722,7 +1349,7 @@ sunos4_get_reloc_upper_bound (abfd, asect) } void -sunos4_reclaim_reloc (ignore_abfd, ignore) +aout_reclaim_reloc (ignore_abfd, ignore) bfd *ignore_abfd; sec_ptr ignore; { @@ -1731,20 +1358,22 @@ sunos4_reclaim_reloc (ignore_abfd, ignore) alent * -sunos4_get_lineno(ignore_abfd, ignore_symbol) +aout_get_lineno(ignore_abfd, ignore_symbol) bfd *ignore_abfd; -PTR ignore_symbol; +asymbol *ignore_symbol; { return (alent *)NULL; } void -sunos4_print_symbol(ignore_abfd, file, symbol, how) +aout_print_symbol(ignore_abfd, afile, symbol, how) bfd *ignore_abfd; -FILE *file; +PTR afile; asymbol *symbol; bfd_print_symbol_enum_type how; { + FILE *file = (FILE *)afile; + switch (how) { case bfd_print_symbol_name_enum: fprintf(file,"%s", symbol->name); @@ -1771,24 +1400,6 @@ bfd_print_symbol_enum_type how; break; } } -/* Once we know all the stuff that could be consed, we know how to clean - it up. So why don't we? */ - -boolean -sunos4_close_and_cleanup (abfd) - bfd *abfd; -{ - if (!bfd_read_p (abfd)) - switch (abfd->format) { - case bfd_archive: - if (!_bfd_write_archive_contents (abfd)) return false; break; - case bfd_object: - if (!sunos4_write_object_contents (abfd)) return false; break; - default: bfd_error = invalid_operation; return false; - } - - return true; -} /* provided a bfd, a section and an offset into the section, calculate @@ -1797,7 +1408,7 @@ sunos4_close_and_cleanup (abfd) */ boolean -DEFUN(sunos4_find_nearest_line,(abfd, +DEFUN(aout_find_nearest_line,(abfd, section, symbols, offset, @@ -1872,63 +1483,9 @@ DEFUN(sunos4_find_nearest_line,(abfd, } -static int -DEFUN(sunos4_sizeof_headers,(ignore_abfd), +int +DEFUN(aout_sizeof_headers,(ignore_abfd), bfd *ignore_abfd) { return 0; /* FIXME, this is the wrong value! */ } - -#define sunos4_openr_next_archived_file bfd_generic_openr_next_archived_file -#define sunos4_generic_stat_arch_elt bfd_generic_stat_arch_elt -#define sunos4_slurp_armap bfd_slurp_bsd_armap -#define sunos4_slurp_extended_name_table bfd_true -#define sunos4_write_armap bsd_write_armap -#define sunos4_truncate_arname bfd_bsd_truncate_arname -bfd_target aout_big_vec = -{ - "a.out-generic-big", /* name */ - 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_getblong, _do_putblong, _do_getbshort, _do_putbshort, /* data */ - _do_getblong, _do_putblong, _do_getbshort, _do_putbshort, /* hdrs */ - - {_bfd_dummy_target, sunos4_object_p, - bfd_generic_archive_p, sunos4_core_file_p}, - {bfd_false, sunos4_mkobject, - _bfd_generic_mkarchive, bfd_false}, - - JUMP_TABLE(sunos4) - }; - - -bfd_target aout_little_vec = -{ - "a.out-generic-little", /* name */ - bfd_target_aout_flavour_enum, - false, /* target byte order */ - false, /* 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_getllong, _do_putllong, _do_getlshort, _do_putlshort, /* data */ - _do_getllong, _do_putllong, _do_getlshort, _do_putlshort, /* hdrs */ - - - {_bfd_dummy_target, sunos4_object_p, - bfd_generic_archive_p, sunos4_core_file_p}, - {bfd_false, sunos4_mkobject, - _bfd_generic_mkarchive, bfd_false}, - - JUMP_TABLE(sunos4) - }; |