-/*** bfd backend for sunos binaries */
-/** a.out files */
+/* BFD backend for sunos binaries */
/* Copyright (C) 1990, 1991 Free Software Foundation, Inc.
void (*bfd_error_trap)();
+static bfd_target *sunos4_callback ();
+
/*SUPPRESS558*/
/*SUPPRESS529*/
-#define CTOR_TABLE_RELOC_IDX 2
-static reloc_howto_type howto_table_ext[] =
-{
- HOWTO(RELOC_8, 0, 0, 8, false, 0, true, true,0,"8", false, 0,0x000000ff, false),
- HOWTO(RELOC_16, 0, 1, 16, false, 0, true, true,0,"16", false, 0,0x0000ffff, false),
- HOWTO(RELOC_32, 0, 2, 32, false, 0, true, true,0,"32", false, 0,0xffffffff, false),
- HOWTO(RELOC_DISP8, 0, 0, 8, true, 0, false, true,0,"DISP8", false, 0,0x000000ff, false),
- HOWTO(RELOC_DISP16, 0, 1, 16, true, 0, false, true,0,"DISP16", false, 0,0x0000ffff, false),
- HOWTO(RELOC_DISP32, 0, 2, 32, true, 0, false, true,0,"DISP32", false, 0,0xffffffff, false),
- HOWTO(RELOC_WDISP30,2, 2, 30, true, 0, false, true,0,"WDISP30", false, 0,0x3fffffff, false),
- HOWTO(RELOC_WDISP22,2, 2, 22, true, 0, false, true,0,"WDISP22", false, 0,0x003fffff, false),
- HOWTO(RELOC_HI22, 10, 2, 22, false, 0, false, true,0,"HI22", false, 0,0x003fffff, false),
- HOWTO(RELOC_22, 0, 2, 22, false, 0, false, true,0,"22", false, 0,0x003fffff, false),
- HOWTO(RELOC_13, 0, 2, 13, false, 0, false, true,0,"13", false, 0,0x00001fff, false),
- HOWTO(RELOC_LO10, 0, 2, 10, false, 0, false, true,0,"LO10", false, 0,0x000003ff, false),
- HOWTO(RELOC_SFA_BASE,0, 2, 32, false, 0, false, true,0,"SFA_BASE", false, 0,0xffffffff, false),
- HOWTO(RELOC_SFA_OFF13,0,2, 32, false, 0, false, true,0,"SFA_OFF13",false, 0,0xffffffff, false),
- HOWTO(RELOC_BASE10, 0, 2, 16, false, 0, false, true,0,"BASE10", false, 0,0x0000ffff, false),
- HOWTO(RELOC_BASE13, 0, 2, 13, false, 0, false, true,0,"BASE13", false, 0,0x00001fff, false),
- HOWTO(RELOC_BASE22, 0, 2, 0, false, 0, false, true,0,"BASE22", false, 0,0x00000000, false),
- HOWTO(RELOC_PC10, 0, 2, 10, false, 0, false, true,0,"PC10", false, 0,0x000003ff, false),
- HOWTO(RELOC_PC22, 0, 2, 22, false, 0, false, true,0,"PC22", false, 0,0x003fffff, false),
- HOWTO(RELOC_JMP_TBL,0, 2, 32, false, 0, false, true,0,"JMP_TBL", false, 0,0xffffffff, false),
- HOWTO(RELOC_SEGOFF16,0, 2, 0, false, 0, false, true,0,"SEGOFF16", false, 0,0x00000000, false),
- HOWTO(RELOC_GLOB_DAT,0, 2, 0, false, 0, false, true,0,"GLOB_DAT", false, 0,0x00000000, false),
- HOWTO(RELOC_JMP_SLOT,0, 2, 0, false, 0, false, true,0,"JMP_SLOT", false, 0,0x00000000, false),
- HOWTO(RELOC_RELATIVE,0, 2, 0, false, 0, false, true,0,"RELATIVE", false, 0,0x00000000, false),
- HOWTO(RELOC_JUMPTARG,2, 13, 16, true, 0, false, true,0,"JUMPTARG", false, 0,0x0000ffff, false),
- HOWTO(RELOC_CONST, 0, 13, 16, false, 0, false, true,0,"CONST", false, 0,0x0000ffff, false),
- HOWTO(RELOC_CONSTH, 16, 13, 16, false, 0, false, true,0,"CONSTH", false, 0,0x0000ffff, false),
-};
-
-/* Convert standard reloc records to "arelent" format (incl byte swap). */
-
-static reloc_howto_type howto_table_std[] = {
- /* type rs size bsz pcrel bitpos abs ovrf sf name part_inpl readmask setmask pcdone */
-HOWTO( 0, 0, 0, 8, false, 0, true, true,0,"8", true, 0x000000ff,0x000000ff, false),
-HOWTO( 1, 0, 1, 16, false, 0, true, true,0,"16", true, 0x0000ffff,0x0000ffff, false),
-HOWTO( 2, 0, 2, 32, false, 0, true, true,0,"32", true, 0xffffffff,0xffffffff, false),
-HOWTO( 3, 0, 3, 64, false, 0, true, true,0,"64", true, 0xdeaddead,0xdeaddead, false),
-HOWTO( 4, 0, 0, 8, true, 0, false, true,0,"DISP8", true, 0x000000ff,0x000000ff, false),
-HOWTO( 5, 0, 1, 16, true, 0, false, true,0,"DISP16", true, 0x0000ffff,0x0000ffff, false),
-HOWTO( 6, 0, 2, 32, true, 0, false, true,0,"DISP32", true, 0xffffffff,0xffffffff, false),
-HOWTO( 7, 0, 3, 64, true, 0, false, true,0,"DISP64", true, 0xfeedface,0xfeedface, false),
-};
-
-
-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
-DEFUN(bfd_aout_swap_exec_header_in,(abfd, raw_bytes, execp),
- bfd *abfd AND
- unsigned char *raw_bytes AND
- struct exec *execp)
-{
- struct exec_bytes *bytes = (struct exec_bytes *)raw_bytes;
-
- /* Now fill in fields in the execp, from the bytes in the raw data. */
- execp->a_info = bfd_h_getlong (abfd, bytes->a_info);
- execp->a_text = bfd_h_getlong (abfd, bytes->a_text);
- execp->a_data = bfd_h_getlong (abfd, bytes->a_data);
- execp->a_bss = bfd_h_getlong (abfd, bytes->a_bss);
- execp->a_syms = bfd_h_getlong (abfd, bytes->a_syms);
- execp->a_entry = bfd_h_getlong (abfd, bytes->a_entry);
- execp->a_trsize = bfd_h_getlong (abfd, bytes->a_trsize);
- execp->a_drsize = bfd_h_getlong (abfd, bytes->a_drsize);
-}
-
-static void
-DEFUN(bfd_aout_swap_exec_header_out,(abfd, execp, raw_bytes),
- bfd *abfd AND
- struct exec *execp AND
- unsigned char *raw_bytes)
-{
- struct exec_bytes *bytes = (struct exec_bytes *)raw_bytes;
-
- /* Now fill in fields in the raw data, from the fields in the exec struct. */
- bfd_h_putlong (abfd, execp->a_info , bytes->a_info);
- bfd_h_putlong (abfd, execp->a_text , bytes->a_text);
- bfd_h_putlong (abfd, execp->a_data , bytes->a_data);
- bfd_h_putlong (abfd, execp->a_bss , bytes->a_bss);
- bfd_h_putlong (abfd, execp->a_syms , bytes->a_syms);
- bfd_h_putlong (abfd, execp->a_entry , bytes->a_entry);
- bfd_h_putlong (abfd, execp->a_trsize, bytes->a_trsize);
- bfd_h_putlong (abfd, execp->a_drsize, bytes->a_drsize);
-}
-
bfd_target *
sunos4_object_p (abfd)
bfd *abfd;
{
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 (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) {
- bfd_error = wrong_format;
- return 0;
- }
-
- /* Use an intermediate variable for clarity */
- rawptr = (PTR) bfd_zalloc (abfd, sizeof (struct sunexdata) + sizeof (struct exec));
+ return some_aout_object_p (abfd, sunos4_callback);
+}
- if (rawptr == NULL) {
- bfd_error = no_memory;
- return 0;
- }
+/* Set parameters about this a.out file that are machine-dependent.
+ This routine is called from some_aout_object_p just before it returns. */
- set_tdata (abfd, ((struct sunexdata *) rawptr));
- exec_hdr (abfd) = execp =
- (struct exec *) ((char *)rawptr + sizeof (struct sunexdata));
+static bfd_target *
+sunos4_callback (abfd)
+ bfd *abfd;
+{
+ struct exec *execp = exec_hdr (abfd);
- bfd_aout_swap_exec_header_in (abfd, exec_bytes, execp);
+ /* 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);
- /* Set the file flags */
- abfd->flags = NO_FLAGS;
- if (execp->a_drsize || execp->a_trsize)
- abfd->flags |= HAS_RELOC;
- if (execp->a_entry)
- abfd->flags |= EXEC_P;
- if (execp->a_syms)
- abfd->flags |= HAS_LINENO | HAS_DEBUG | HAS_SYMS | HAS_LOCALS;
+ /* 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);
- if (N_MAGIC (*execp) == ZMAGIC) abfd->flags |= D_PAGED;
- if (N_MAGIC (*execp) == NMAGIC) abfd->flags |= WP_TEXT;
+ /* The file offsets of the string table and symbol table. */
+ obj_str_filepos (abfd) = N_STROFF (*execp);
+ obj_sym_filepos (abfd) = N_SYMOFF (*execp);
/* 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)) {
+ switch (N_MACHTYPE (*exec_hdr (abfd))) {
case M_UNKNOWN:
+ abfd->obj_arch = bfd_arch_unknown;
+ abfd->obj_machine = 0;
break;
case M_68010:
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;
}
- bfd_get_start_address (abfd) = execp->a_entry;
-
- 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);
-
- /* 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");
-
- 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) :
- (SEC_ALLOC | SEC_LOAD | SEC_HAS_CONTENTS));
- obj_datasec (abfd)->flags = (execp->a_drsize != 0 ?
- (SEC_ALLOC | SEC_LOAD | SEC_RELOC | SEC_HAS_CONTENTS) :
- (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);
+ /* Determine the size of a relocation entry, based on the architecture */
+ 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;
}
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. */
return arch_flags;
}
-boolean
-sunos4_set_arch_mach (abfd, arch, machine)
- bfd *abfd;
- enum bfd_architecture arch;
- unsigned long machine;
-{
- abfd->obj_arch = arch;
- abfd->obj_machine = machine;
- if (arch != bfd_arch_unknown &&
- aout_machine_type (arch, machine) == M_UNKNOWN)
- return false; /* We can't represent this type */
- return true; /* We're easy ... */
-}
+/* Write an object file in SunOS format.
+ Section contents have already been written. We write the
+ file header, symbols, and relocation. */
boolean
sunos4_write_object_contents (abfd)
execp->a_entry = bfd_get_start_address (abfd);
execp->a_trsize = ((obj_textsec (abfd)->reloc_count) *
- reloc_size_func(abfd));
+ obj_reloc_entry_size (abfd));
execp->a_drsize = ((obj_datasec (abfd)->reloc_count) *
- reloc_size_func(abfd));
+ obj_reloc_entry_size (abfd));
bfd_aout_swap_exec_header_out (abfd, execp, exec_bytes);
bfd_seek (abfd,
(long)(N_SYMOFF(*execp)), false);
- sunos4_write_syms (abfd);
+ aout_write_syms (abfd);
bfd_seek (abfd, (long)(N_TRELOFF(*execp)), false);
- if (!sunos4_squirt_out_relocs (abfd, obj_textsec (abfd))) return false;
+ if (!aout_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;
+ if (!aout_squirt_out_relocs (abfd, obj_datasec (abfd))) return false;
}
return true;
}
struct core {
int c_magic; /* Corefile magic number */
int c_len; /* Sizeof (struct core) */
- struct regs c_regs; /* General purpose registers */
+ struct regs c_regs; /* General purpose registers -- MACHDEP SIZE */
struct exec c_aouthdr; /* A.out header */
int c_signo; /* Killing signal, if any */
int c_tsize; /* Text size (bytes) */
/* Leave "c_ucode" unswapped for now, since we can't find it easily. */
}
\f
-/** exec and core file sections */
-
-boolean
-sunos4_new_section_hook (abfd, newsect)
- bfd *abfd;
- asection *newsect;
-{
- /* align to double at least */
- newsect->alignment_power = 3;
-
- if (bfd_get_format (abfd) == bfd_object) {
- if (obj_textsec(abfd) == NULL && !strcmp(newsect->name, ".text")) {
- obj_textsec(abfd)= newsect;
- return true;
- }
-
- if (obj_datasec(abfd) == NULL && !strcmp(newsect->name, ".data")) {
- obj_datasec(abfd) = newsect;
- return true;
- }
-
- if (obj_bsssec(abfd) == NULL && !strcmp(newsect->name, ".bss")) {
- obj_bsssec(abfd) = newsect;
- return true;
- }
- }
-
- /* We allow more than three sections internally */
- return true;
-}
-
-boolean
-sunos4_set_section_contents (abfd, section, location, offset, count)
- bfd *abfd;
- sec_ptr section;
- unsigned char *location;
- file_ptr offset;
- int count;
-{
- if (abfd->output_has_begun == false)
- { /* set by bfd.c handler */
- if ((obj_textsec (abfd) == NULL) || (obj_datasec (abfd) == NULL))
- {
- bfd_error = invalid_operation;
- return false;
- }
-
- obj_textsec(abfd)->filepos = sizeof(struct exec);
- obj_textsec(abfd)->size = align_power(obj_textsec(abfd)->size,
- obj_textsec(abfd)->alignment_power);
- obj_datasec(abfd)->filepos = obj_textsec (abfd)->filepos + obj_textsec (abfd)->size;
- obj_datasec(abfd)->size = align_power(obj_datasec(abfd)->size,
- obj_datasec(abfd)->alignment_power);
-
- }
- /* regardless, once we know what we're doing, we might as well get going */
- if (section != obj_bsssec(abfd)) {
- bfd_seek (abfd, section->filepos + offset, SEEK_SET);
-
- if (count) {
- return (bfd_write ((PTR)location, 1, count, abfd) == count) ?
- true : false;
- }
- return false;
- }
- 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;
-}
-
-\f
-/* Classify stabs symbols */
-
-
-#define sym_in_text_section(sym) \
- (((sym)->n_type & (N_ABS | N_TEXT | N_DATA | N_BSS))== N_TEXT)
-
-#define sym_in_data_section(sym) \
- (((sym)->n_type & (N_ABS | N_TEXT | N_DATA | N_BSS))== N_DATA)
-
-#define sym_in_bss_section(sym) \
- (((sym)->n_type & (N_ABS | N_TEXT | N_DATA | N_BSS))== N_BSS)
-
-/* Symbol is undefined if type is N_UNDF|N_EXT and if it has
- zero in the "value" field. Nonzeroes there are fortrancommon
- symbols. */
-#define sym_is_undefined(sym) \
- ((sym)->n_type == (N_UNDF | N_EXT) && (sym)->n_value == 0)
-
-/* Symbol is a global definition if N_EXT is on and if it has
- a nonzero type field. */
-#define sym_is_global_defn(sym) \
- (((sym)->n_type & N_EXT) && (sym)->n_type & N_TYPE)
-
-/* Symbol is debugger info if any bits outside N_TYPE or N_EXT
- are on. */
-#define sym_is_debugger_info(sym) \
- ((sym)->n_type & ~(N_EXT | N_TYPE))
-
-#define sym_is_fortrancommon(sym) \
- (((sym)->n_type == (N_EXT)) && (sym)->n_value != 0)
-
-/* Symbol is absolute if it has N_ABS set */
-#define sym_is_absolute(sym) \
- (((sym)->n_type & N_TYPE)== N_ABS)
-
-
-#define sym_is_indirect(sym) \
- (((sym)->n_type & N_ABS)== N_ABS)
-
-/* Only in their own functions for ease of debugging; when sym flags have
- stabilised these should be inlined into their (single) caller */
-
-static void
-translate_from_native_sym_flags (sym_pointer, cache_ptr, abfd)
- struct nlist *sym_pointer;
- aout_symbol_type *cache_ptr;
- bfd *abfd;
-{
- switch (cache_ptr->type & N_TYPE) {
- case N_SETA:
- case N_SETT:
- case N_SETD:
- case N_SETB:
- {
- asection *section = bfd_make_section(abfd,
- cache_ptr->symbol.name);
- arelent_chain *reloc = (arelent_chain *)bfd_alloc(abfd, sizeof(arelent_chain));
-
- switch ( (cache_ptr->type & N_TYPE) ) {
- case N_SETA:
- reloc->relent.section = (asection *)NULL;
- cache_ptr->symbol.section = (asection *)NULL;
- break;
- case N_SETT:
- reloc->relent.section = (asection *)obj_textsec(abfd);
- cache_ptr->symbol.value -= reloc->relent.section->vma;
- break;
- case N_SETD:
- reloc->relent.section = (asection *)obj_datasec(abfd);
- cache_ptr->symbol.value -= reloc->relent.section->vma;
- break;
- case N_SETB:
- reloc->relent.section = (asection *)obj_bsssec(abfd);
- cache_ptr->symbol.value -= reloc->relent.section->vma;
- break;
- }
- cache_ptr->symbol.section = reloc->relent.section;
- reloc->relent.addend = cache_ptr->symbol.value ;
-
- /* We modify the symbol to belong to a section depending upon the
- name of the symbol - probably __CTOR__ or __DTOR__ but we don't
- really care, and add to the size of the section to contain a
- pointer to the symbol. Build a reloc entry to relocate to this
- symbol attached to this section. */
-
- section->flags = SEC_CONSTRUCTOR;
- section->reloc_count++;
- section->alignment_power = 2;
- reloc->relent.sym_ptr_ptr = (asymbol **)NULL;
- reloc->next = section->constructor_chain;
- section->constructor_chain = reloc;
- reloc->relent.address = section->size;
- section->size += sizeof(int *);
-
- reloc->relent.howto = howto_table_ext +CTOR_TABLE_RELOC_IDX;
- cache_ptr->symbol.flags |= BSF_DEBUGGING ;
- }
- break;
- default:
-
- if (sym_is_debugger_info (sym_pointer)) {
- cache_ptr->symbol.flags = BSF_DEBUGGING ;
- /* Work out the section correct for this symbol */
- switch (sym_pointer->n_type & N_TYPE)
- {
- case N_TEXT:
- case N_FN:
- cache_ptr->symbol.section = obj_textsec (abfd);
- cache_ptr->symbol.value -= obj_textsec(abfd)->vma;
- break;
- case N_DATA:
- cache_ptr->symbol.value -= obj_datasec(abfd)->vma;
- cache_ptr->symbol.section = obj_datasec (abfd);
- break;
- case N_BSS :
- cache_ptr->symbol.section = obj_bsssec (abfd);
- cache_ptr->symbol.value -= obj_bsssec(abfd)->vma;
- break;
- case N_ABS:
- default:
- cache_ptr->symbol.section = 0;
- break;
- }
- }
- else {
- if (sym_is_fortrancommon (sym_pointer))
- {
- cache_ptr->symbol.flags = BSF_FORT_COMM;
- cache_ptr->symbol.section = (asection *)NULL;
- }
- else {
- if (sym_is_undefined (sym_pointer)) {
- cache_ptr->symbol.flags = BSF_UNDEFINED;
- }
- else if (sym_is_global_defn (sym_pointer)) {
- cache_ptr->symbol.flags = BSF_GLOBAL | BSF_EXPORT;
- }
-
- else if (sym_is_absolute (sym_pointer)) {
- cache_ptr->symbol.flags = BSF_ABSOLUTE;
- }
- else {
- cache_ptr->symbol.flags = BSF_LOCAL;
- }
-
- /* In a.out, the value of a symbol is always relative to the
- * start of the file, if this is a data symbol we'll subtract
- * the size of the text section to get the section relative
- * value. If this is a bss symbol (which would be strange)
- * we'll subtract the size of the previous two sections
- * to find the section relative address.
- */
-
- if (sym_in_text_section (sym_pointer)) {
- cache_ptr->symbol.value -= obj_textsec(abfd)->vma;
- cache_ptr->symbol.section = obj_textsec (abfd);
- }
- else if (sym_in_data_section (sym_pointer)){
- cache_ptr->symbol.value -= obj_datasec(abfd)->vma;
- cache_ptr->symbol.section = obj_datasec (abfd);
- }
- else if (sym_in_bss_section(sym_pointer)) {
- cache_ptr->symbol.section = obj_bsssec (abfd);
- cache_ptr->symbol.value -= obj_bsssec(abfd)->vma;
- }
- else {
- cache_ptr->symbol.section = (asection *)NULL;
- cache_ptr->symbol.flags |= BSF_ABSOLUTE;
- }
- }
- }
- }
-}
-
-void
-translate_to_native_sym_flags (sym_pointer, cache_ptr_g, abfd)
- struct nlist *sym_pointer;
- PTR cache_ptr_g;
- bfd *abfd;
-{
- asymbol *cache_ptr = (asymbol *)cache_ptr_g;
-
- /* FIXME check for writing bss */
- if (bfd_get_section(cache_ptr)) {
- if (bfd_get_output_section(cache_ptr) == obj_bsssec (abfd)) {
- sym_pointer->n_type |= N_BSS;
- }
- else if (bfd_get_output_section(cache_ptr) == obj_datasec (abfd)) {
- sym_pointer->n_type |= N_DATA;
- }
- else if (bfd_get_output_section(cache_ptr) == obj_textsec (abfd)) {
- sym_pointer->n_type |= N_TEXT;
- }
- else {
- bfd_error_vector.nonrepresentable_section(abfd,
- bfd_get_output_section(cache_ptr)->name);
- }
- /* Turn the symbol from section relative to absolute again */
- sym_pointer->n_value +=
- cache_ptr->section->output_section->vma
- + cache_ptr->section->output_offset ;
- }
- else {
- sym_pointer->n_type |= N_ABS;
- }
-
- if (cache_ptr->flags & (BSF_FORT_COMM | BSF_UNDEFINED)) {
- sym_pointer->n_type = (N_UNDF | N_EXT);
- return;
- }
-
- if (cache_ptr->flags & BSF_ABSOLUTE) {
- sym_pointer->n_type |= N_ABS;
- }
-
- if (cache_ptr->flags & (BSF_GLOBAL | BSF_EXPORT)) {
- sym_pointer->n_type |= N_EXT;
- }
- if (cache_ptr->flags & BSF_DEBUGGING) {
- sym_pointer->n_type = ((aout_symbol_type *)cache_ptr)->type;
- }
-}
-\f
-/* Native-level interface to symbols. */
-
-/* We read the symbols into a buffer, which is discarded when this
- function exits. We read the strings into a buffer large enough to
- hold them all plus all the cached symbol entries. */
-
-asymbol *
-sunos4_make_empty_symbol (abfd)
-bfd *abfd;
-{
- aout_symbol_type *new =
- (aout_symbol_type *)bfd_zalloc (abfd, sizeof (aout_symbol_type));
- new->symbol.the_bfd = abfd;
-
- return &new->symbol;
-}
-
-boolean
-DEFUN(sunos4_slurp_symbol_table, (abfd),
- bfd *abfd)
-{
- size_t symbol_size;
- size_t string_size;
- unsigned char string_chars[LONG_SIZE];
- struct nlist *syms;
- char *strings;
- aout_symbol_type *cached;
-
- /* If there's no work to be done, don't do any */
- if (obj_aout_symbols (abfd) != (aout_symbol_type *)NULL) return true;
- symbol_size = exec_hdr(abfd)->a_syms;
- if (symbol_size == 0) {
- bfd_error = no_symbols;
- return false;
- }
-
- bfd_seek (abfd, obj_str_filepos (abfd), SEEK_SET);
- if (bfd_read ((PTR)string_chars, LONG_SIZE, 1, abfd) != LONG_SIZE)
- return false;
- string_size = bfd_h_getlong (abfd, string_chars);
-
- strings = bfd_alloc(abfd, string_size + 1);
- cached = (aout_symbol_type *)
- bfd_zalloc(abfd, bfd_get_symcount (abfd) * sizeof(aout_symbol_type));
- /* Alloc this last, so we can free it if obstack is in use. */
- syms = (struct nlist *) bfd_alloc(abfd, symbol_size);
-
- bfd_seek (abfd, obj_sym_filepos (abfd), SEEK_SET);
- if (bfd_read ((PTR)syms, 1, symbol_size, abfd) != symbol_size) {
- bailout:
- if (syms) bfd_release (abfd, syms);
- if (cached) bfd_release (abfd, cached);
- if (strings)bfd_release (abfd, strings);
- return false;
- }
-
- bfd_seek (abfd, obj_str_filepos (abfd), SEEK_SET);
- if (bfd_read ((PTR)strings, 1, string_size, abfd) != string_size) {
- goto bailout;
- }
-
- /* OK, now walk the new symtable, cacheing symbol properties */
- {
- register struct nlist *sym_pointer;
- register struct nlist *sym_end = syms + bfd_get_symcount (abfd);
- register aout_symbol_type *cache_ptr = cached;
-
- /* run through the table and byte swap if needed */
- for (sym_pointer = syms; sym_pointer < sym_end; sym_pointer++) {
- sym_pointer->n_un.n_strx =
- bfd_h_get_x (abfd, &sym_pointer->n_un.n_strx);
- sym_pointer->n_desc =
- bfd_h_get_x (abfd, &sym_pointer->n_desc);
- sym_pointer->n_value =
- bfd_h_get_x (abfd, &sym_pointer->n_value);
- sym_pointer->n_other = (char)
- bfd_h_get_x(abfd, &sym_pointer->n_other);
- sym_pointer->n_type = (char)
- bfd_h_get_x(abfd, &sym_pointer->n_type);
- }
-
- /* Run through table and copy values */
- for (sym_pointer = syms, cache_ptr = cached;
- sym_pointer < sym_end; sym_pointer++, cache_ptr++)
- {
- cache_ptr->symbol.the_bfd = abfd;
- if (sym_pointer->n_un.n_strx)
- cache_ptr->symbol.name = sym_pointer->n_un.n_strx + strings;
- else
- cache_ptr->symbol.name = (char *)NULL;
- cache_ptr->symbol.value = sym_pointer->n_value;
- cache_ptr->desc = sym_pointer->n_desc;
- cache_ptr->other = sym_pointer->n_other;
- cache_ptr->type = sym_pointer->n_type;
- cache_ptr->symbol.udata = 0;
- translate_from_native_sym_flags (sym_pointer, cache_ptr, abfd);
-
- }
- }
-
- obj_aout_symbols (abfd) = cached;
- bfd_release (abfd, (PTR)syms);
-
- return true;
-}
-
-
-void
-DEFUN(sunos4_write_syms,(abfd),
- bfd *abfd)
-{
- unsigned int count ;
- asymbol **generic = bfd_get_outsymbols (abfd);
-
- unsigned int stindex = sizeof(stindex); /* initial string length */
-
- for (count = 0; count < bfd_get_symcount (abfd); count++) {
- asymbol *g = generic[count];
- struct nlist nsp;
-
- if (g->name) {
- unsigned int length = strlen(g->name) +1;
- bfd_h_putlong (abfd, stindex, (unsigned char *)&nsp.n_un.n_strx);
- stindex += length;
- }
- else {
- bfd_h_putlong (abfd, 0, (unsigned char *)&nsp.n_un.n_strx);
- }
-
- if (g->the_bfd->xvec->flavour == abfd->xvec->flavour)
- {
- nsp.n_desc = aout_symbol( g)->desc;
- nsp.n_other = aout_symbol(g)->other;
- nsp.n_type = aout_symbol(g)->type;
- }
- else
- {
- nsp.n_desc = 0;
- nsp.n_other = 0;
- nsp.n_type = 0;
- }
-
-
- nsp.n_value = g->value;
- translate_to_native_sym_flags (&nsp, (PTR)g, abfd);
-
-
- bfd_h_putshort (abfd, nsp.n_desc, (unsigned char *)&nsp.n_desc);
- bfd_h_putlong (abfd, nsp.n_value, (unsigned char *)&nsp.n_value);
- bfd_write((PTR)&nsp,1, sizeof(nsp), abfd);
- }
-
-
- /* Now output the strings. Be sure to put string length into correct
- * byte ordering before writing it.
- */
- bfd_h_putlong (abfd, stindex, (unsigned char *)&stindex);
-
- bfd_write((PTR)&stindex, 1, sizeof(stindex), abfd);
-
- generic = bfd_get_outsymbols(abfd);
- for (count = 0; count < bfd_get_symcount(abfd); count++)
- {
- asymbol *g = *(generic++);
-
- if (g->name)
- {
- size_t length = strlen(g->name)+1;
- bfd_write((PTR)g->name, 1, length, abfd);
- }
- if ((g->flags & BSF_FAKE)==0) {
- g->name = itos(count); /* smash the generic symbol */
- }
- }
-}
-
-
-void
-DEFUN(sunos4_reclaim_symbol_table,(abfd),
- bfd *abfd)
-{
-
-}
-\f
-unsigned int
-sunos4_get_symtab_upper_bound (abfd)
- bfd *abfd;
-{
- if (!sunos4_slurp_symbol_table (abfd)) return 0;
-
- return (bfd_get_symcount (abfd)+1) * (sizeof (aout_symbol_type *));
-}
-
-unsigned int
-sunos4_get_symtab (abfd, location)
- bfd *abfd;
- asymbol **location;
-{
- unsigned int counter = 0;
- aout_symbol_type *symbase;
-
- if (!sunos4_slurp_symbol_table (abfd)) return 0;
-
- for (symbase = obj_aout_symbols(abfd); counter++ < bfd_get_symcount (abfd);)
- *(location++) = (asymbol *)( symbase++);
- *location++ =0;
- return bfd_get_symcount(abfd);
-}
-
-\f
-/* Standard reloc stuff */
-/* Output standard relocation information to a file in target byte order. */
-
-void
-swap_std_reloc_out (abfd, g, natptr)
- bfd *abfd;
- arelent *g; /* Generic relocation struct */
- struct reloc_std_bytes *natptr;
-{
- int r_index;
- int r_extern;
- unsigned int r_length;
- int r_pcrel;
- int r_baserel, r_jmptable, r_relative;
- unsigned int r_addend;
-
- bfd_h_putlong (abfd, g->address, natptr->r_address);
-
- r_length = g->howto->size ; /* Size as a power of two */
- r_pcrel = (int) g->howto->pc_relative; /* Relative to PC? */
- /* r_baserel, r_jmptable, r_relative??? FIXME-soon */
- r_baserel = 0;
- r_jmptable = 0;
- r_relative = 0;
-
- r_addend = g->addend; /* Start here, see how it goes */
-
- /* name was clobbered by sunos4_write_syms to be symbol index */
-
- if (g->sym_ptr_ptr != NULL)
- {
- if ((*(g->sym_ptr_ptr))->section) {
- /* put the section offset into the addend for output */
- r_addend += (*(g->sym_ptr_ptr))->section->vma;
- }
-
- r_index = stoi((*(g->sym_ptr_ptr))->name);
- r_extern = 1;
- }
- else {
- r_extern = 0;
- if (g->section == NULL) {
- /* It is possible to have a reloc with nothing, we generate an
- abs + 0 */
- r_addend = 0;
- r_index = N_ABS | N_EXT;
- }
- else if(g->section->output_section == obj_textsec(abfd)) {
- r_index = N_TEXT | N_EXT;
- r_addend += g->section->output_section->vma;
- }
- else if (g->section->output_section == obj_datasec(abfd)) {
- r_index = N_DATA | N_EXT;
- r_addend += g->section->output_section->vma;
- }
- else if (g->section->output_section == obj_bsssec(abfd)) {
- r_index = N_BSS | N_EXT ;
- r_addend += g->section->output_section->vma;
- }
- else {
- BFD_ASSERT(0);
- }
- }
-
- /* now the fun stuff */
- if (abfd->xvec->header_byteorder_big_p != false) {
- natptr->r_index[0] = r_index >> 16;
- natptr->r_index[1] = r_index >> 8;
- natptr->r_index[2] = r_index;
- natptr->r_bits[0] =
- (r_extern? RELOC_STD_BITS_EXTERN_BIG: 0)
- | (r_pcrel? RELOC_STD_BITS_PCREL_BIG: 0)
- | (r_baserel? RELOC_STD_BITS_BASEREL_BIG: 0)
- | (r_jmptable? RELOC_STD_BITS_JMPTABLE_BIG: 0)
- | (r_relative? RELOC_STD_BITS_RELATIVE_BIG: 0)
- | (r_length << RELOC_STD_BITS_LENGTH_SH_BIG);
- } else {
- natptr->r_index[2] = r_index >> 16;
- natptr->r_index[1] = r_index >> 8;
- natptr->r_index[0] = r_index;
- natptr->r_bits[0] =
- (r_extern? RELOC_STD_BITS_EXTERN_LITTLE: 0)
- | (r_pcrel? RELOC_STD_BITS_PCREL_LITTLE: 0)
- | (r_baserel? RELOC_STD_BITS_BASEREL_LITTLE: 0)
- | (r_jmptable? RELOC_STD_BITS_JMPTABLE_LITTLE: 0)
- | (r_relative? RELOC_STD_BITS_RELATIVE_LITTLE: 0)
- | (r_length << RELOC_STD_BITS_LENGTH_SH_LITTLE);
- }
-}
-
-
-/* Extended stuff */
-/* Output extended relocation information to a file in target byte order. */
-
-void
-swap_ext_reloc_out (abfd, g, natptr)
- bfd *abfd;
- arelent *g; /* Generic relocation struct */
- register struct reloc_ext_bytes *natptr;
-{
- int r_index;
- int r_extern;
- unsigned int r_type;
- unsigned int r_addend;
-
- bfd_h_putlong (abfd, g->address, natptr->r_address);
-
- /* Find a type in the output format which matches the input howto -
- at the moment we assume input format == output format FIXME!! */
- r_type = (enum reloc_type) g->howto->type;
-
- r_addend = g->addend; /* Start here, see how it goes */
-
- /* name was clobbered by sunos4_write_syms to be symbol index*/
-
- if (g->sym_ptr_ptr != NULL)
- {
- if ((*(g->sym_ptr_ptr))->section) {
- /* put the section offset into the addend for output */
- r_addend += (*(g->sym_ptr_ptr))->section->vma;
- }
-
- r_index = stoi((*(g->sym_ptr_ptr))->name);
- r_extern = 1;
- }
- else {
- r_extern = 0;
- if (g->section == NULL) {
- BFD_ASSERT(0);
- r_index = N_ABS | N_EXT;
- }
- else if(g->section->output_section == obj_textsec(abfd)) {
- r_index = N_TEXT | N_EXT;
- r_addend += g->section->output_section->vma;
- }
- else if (g->section->output_section == obj_datasec(abfd)) {
- r_index = N_DATA | N_EXT;
- r_addend += g->section->output_section->vma;
- }
- else if (g->section->output_section == obj_bsssec(abfd)) {
- r_index = N_BSS | N_EXT ;
- r_addend += g->section->output_section->vma;
- }
- else {
- BFD_ASSERT(0);
- }
- }
-
- /* now the fun stuff */
- if (abfd->xvec->header_byteorder_big_p != false) {
- natptr->r_index[0] = r_index >> 16;
- natptr->r_index[1] = r_index >> 8;
- natptr->r_index[2] = r_index;
- natptr->r_bits[0] =
- (r_extern? RELOC_EXT_BITS_EXTERN_BIG: 0)
- || (r_type << RELOC_EXT_BITS_TYPE_SH_BIG);
- } else {
- natptr->r_index[2] = r_index >> 16;
- natptr->r_index[1] = r_index >> 8;
- natptr->r_index[0] = r_index;
- natptr->r_bits[0] =
- (r_extern? RELOC_EXT_BITS_EXTERN_LITTLE: 0)
- || (r_type << RELOC_EXT_BITS_TYPE_SH_LITTLE);
- }
-
- bfd_h_putlong (abfd, r_addend, natptr->r_addend);
-}
-
-#define MOVE_ADDRESS(ad) \
- if (r_extern) { \
- cache_ptr->sym_ptr_ptr = symbols + r_index; \
- cache_ptr->section = (asection *)NULL; \
- cache_ptr->addend = ad; \
- } else { \
- cache_ptr->sym_ptr_ptr = (asymbol **)NULL; \
- switch (r_index) { \
- case N_TEXT: \
- case N_TEXT | N_EXT: \
- cache_ptr->section = obj_textsec(abfd); \
- cache_ptr->addend = ad - su->textsec->vma; \
- break; \
- case N_DATA: \
- case N_DATA | N_EXT: \
- cache_ptr->section = obj_datasec(abfd); \
- cache_ptr->addend = ad - su->datasec->vma; \
- break; \
- case N_BSS: \
- case N_BSS | N_EXT: \
- cache_ptr->section = obj_bsssec(abfd); \
- cache_ptr->addend = ad - su->bsssec->vma; \
- break; \
- case N_ABS: \
- case N_ABS | N_EXT: \
- cache_ptr->section = NULL; /* No section */ \
- cache_ptr->addend = ad; /* FIXME, is this right? */ \
- BFD_ASSERT(1); \
- break; \
- default: \
- cache_ptr->section = NULL; /* No section */ \
- cache_ptr->addend = ad; /* FIXME, is this right? */ \
- BFD_ASSERT(1); \
- break; \
- } \
- } \
-
-void
-swap_ext_reloc_in (abfd, bytes, cache_ptr, symbols)
- bfd *abfd;
- struct reloc_ext_bytes *bytes;
- arelent *cache_ptr;
- asymbol **symbols;
-{
- int r_index;
- int r_extern;
- unsigned int r_type;
- struct sunexdata *su = (struct sunexdata *)(abfd->tdata);
-
- cache_ptr->address = bfd_h_getlong (abfd, bytes->r_address);
-
- /* now the fun stuff */
- if (abfd->xvec->header_byteorder_big_p != false) {
- r_index = (bytes->r_index[0] << 16)
- | (bytes->r_index[1] << 8)
- | bytes->r_index[2];
- r_extern = (0 != (bytes->r_bits[0] & RELOC_EXT_BITS_EXTERN_BIG));
- r_type = (bytes->r_bits[0] & RELOC_EXT_BITS_TYPE_BIG)
- >> RELOC_EXT_BITS_TYPE_SH_BIG;
- } else {
- r_index = (bytes->r_index[2] << 16)
- | (bytes->r_index[1] << 8)
- | bytes->r_index[0];
- r_extern = (0 != (bytes->r_bits[0] & RELOC_EXT_BITS_EXTERN_LITTLE));
- r_type = (bytes->r_bits[0] & RELOC_EXT_BITS_TYPE_LITTLE)
- >> RELOC_EXT_BITS_TYPE_SH_LITTLE;
- }
-
- cache_ptr->howto = howto_table_ext + r_type;
- MOVE_ADDRESS(bfd_h_getlong(abfd,bytes->r_addend));
-}
-
-void
-swap_std_reloc_in (abfd, bytes, cache_ptr, symbols)
- bfd *abfd;
- struct reloc_std_bytes *bytes;
- arelent *cache_ptr;
- asymbol **symbols;
-{
- int r_index;
- int r_extern;
- unsigned int r_length;
- int r_pcrel;
- int r_baserel, r_jmptable, r_relative;
- struct sunexdata *su = (struct sunexdata *)(abfd->tdata);
-
- cache_ptr->address = bfd_h_getlong (abfd, bytes->r_address);
-
- /* now the fun stuff */
- if (abfd->xvec->header_byteorder_big_p != false) {
- r_index = (bytes->r_index[0] << 16)
- | (bytes->r_index[1] << 8)
- | bytes->r_index[2];
- r_extern = (0 != (bytes->r_bits[0] & RELOC_STD_BITS_EXTERN_BIG));
- r_pcrel = (0 != (bytes->r_bits[0] & RELOC_STD_BITS_PCREL_BIG));
- r_baserel = (0 != (bytes->r_bits[0] & RELOC_STD_BITS_BASEREL_BIG));
- r_jmptable= (0 != (bytes->r_bits[0] & RELOC_STD_BITS_JMPTABLE_BIG));
- r_relative= (0 != (bytes->r_bits[0] & RELOC_STD_BITS_RELATIVE_BIG));
- r_length = (bytes->r_bits[0] & RELOC_STD_BITS_LENGTH_BIG)
- >> RELOC_STD_BITS_LENGTH_SH_BIG;
- } else {
- r_index = (bytes->r_index[2] << 16)
- | (bytes->r_index[1] << 8)
- | bytes->r_index[0];
- r_extern = (0 != (bytes->r_bits[0] & RELOC_STD_BITS_EXTERN_LITTLE));
- r_pcrel = (0 != (bytes->r_bits[0] & RELOC_STD_BITS_PCREL_LITTLE));
- r_baserel = (0 != (bytes->r_bits[0] & RELOC_STD_BITS_BASEREL_LITTLE));
- r_jmptable= (0 != (bytes->r_bits[0] & RELOC_STD_BITS_JMPTABLE_LITTLE));
- r_relative= (0 != (bytes->r_bits[0] & RELOC_STD_BITS_RELATIVE_LITTLE));
- r_length = (bytes->r_bits[0] & RELOC_STD_BITS_LENGTH_LITTLE)
- >> RELOC_STD_BITS_LENGTH_SH_LITTLE;
- }
-
- cache_ptr->howto = howto_table_std + r_length + 4 * r_pcrel;
- /* FIXME-soon: Roll baserel, jmptable, relative bits into howto setting */
-
- MOVE_ADDRESS(0);
-}
-
-/* Reloc hackery */
-
-boolean
-sunos4_slurp_reloc_table (abfd, asect, symbols)
- bfd *abfd;
- sec_ptr asect;
- asymbol **symbols;
-{
- unsigned int count;
- size_t reloc_size;
- PTR relocs;
- arelent *reloc_cache;
- size_t each_size;
-
- if (asect->relocation) return true;
-
- if (asect->flags & SEC_CONSTRUCTOR) return true;
-
- if (asect == obj_datasec (abfd)) {
- reloc_size = exec_hdr(abfd)->a_drsize;
- goto doit;
- }
-
- if (asect == obj_textsec (abfd)) {
- reloc_size = exec_hdr(abfd)->a_trsize;
- goto doit;
- }
-
- bfd_error = invalid_operation;
- return false;
-
- doit:
- bfd_seek (abfd, asect->rel_filepos, SEEK_SET);
- each_size = reloc_size_func(abfd);
-
- count = reloc_size / each_size;
-
-
- reloc_cache = (arelent *) bfd_zalloc (abfd, (size_t)(count * sizeof
- (arelent)));
- if (!reloc_cache) {
-nomem:
- bfd_error = no_memory;
- return false;
- }
-
- relocs = bfd_alloc (abfd, reloc_size);
- if (!relocs) {
- bfd_release (abfd, reloc_cache);
- goto nomem;
- }
-
- if (bfd_read (relocs, 1, reloc_size, abfd) != reloc_size) {
- bfd_release (abfd, relocs);
- bfd_release (abfd, reloc_cache);
- bfd_error = system_call_error;
- return false;
- }
-
- if (each_size == RELOC_EXT_SIZE) {
- register struct reloc_ext_bytes *rptr = (struct reloc_ext_bytes *) relocs;
- unsigned int counter = 0;
- arelent *cache_ptr = reloc_cache;
-
- for (; counter < count; counter++, rptr++, cache_ptr++) {
- swap_ext_reloc_in(abfd, rptr, cache_ptr, symbols);
- }
- } else {
- register struct reloc_std_bytes *rptr = (struct reloc_std_bytes *) relocs;
- unsigned int counter = 0;
- arelent *cache_ptr = reloc_cache;
-
- for (; counter < count; counter++, rptr++, cache_ptr++) {
- swap_std_reloc_in(abfd, rptr, cache_ptr, symbols);
- }
-
- }
-
- bfd_release (abfd,relocs);
- asect->relocation = reloc_cache;
- asect->reloc_count = count;
- return true;
-}
-
-
-
-/* Write out a relocation section into an object file. */
-
-static boolean
-sunos4_squirt_out_relocs (abfd, section)
- bfd *abfd;
- asection *section;
-{
- arelent **generic;
- unsigned char *native, *natptr;
- size_t each_size;
-
- unsigned int count = section->reloc_count;
- size_t natsize;
-
- if (count == 0) return true;
-
- each_size = reloc_size_func(abfd);
- natsize = each_size * count;
- native = (unsigned char *) bfd_zalloc (abfd, natsize);
- if (!native) {
- bfd_error = no_memory;
- return false;
- }
-
- generic = section->orelocation;
-
- if (each_size == RELOC_EXT_SIZE)
- {
- for (natptr = native;
- count != 0;
- --count, natptr += each_size, ++generic)
- swap_ext_reloc_out (abfd, *generic, (struct reloc_ext_bytes *)natptr);
- }
- else
- {
- for (natptr = native;
- count != 0;
- --count, natptr += each_size, ++generic)
- swap_std_reloc_out(abfd, *generic, (struct reloc_std_bytes *)natptr);
- }
-
- if ( bfd_write ((PTR) native, 1, natsize, abfd) != natsize) {
- bfd_release(abfd, native);
- return false;
- }
- bfd_release (abfd, native);
-
- return true;
-}
-
-/* This is stupid. This function should be a boolean predicate */
-unsigned int
-sunos4_canonicalize_reloc (abfd, section, relptr, symbols)
- bfd *abfd;
- sec_ptr section;
- arelent **relptr;
- asymbol **symbols;
-{
- arelent *tblptr = section->relocation;
- unsigned int count;
-
- if (!(tblptr || sunos4_slurp_reloc_table (abfd, section, symbols)))
- return 0;
-
- if (section->flags & SEC_CONSTRUCTOR) {
- arelent_chain *chain = section->constructor_chain;
- for (count = 0; count < section->reloc_count; count ++) {
- *relptr ++ = &chain->relent;
- chain = chain->next;
- }
- }
- else {
- tblptr = section->relocation;
- if (!tblptr) return 0;
-
- for (count = 0; count++ < section->reloc_count;)
- {
- *relptr++ = tblptr++;
- }
- }
- *relptr = 0;
-
- return section->reloc_count;
-}
-
-unsigned int
-sunos4_get_reloc_upper_bound (abfd, asect)
- bfd *abfd;
- sec_ptr asect;
-{
- if (bfd_get_format (abfd) != bfd_object) {
- bfd_error = invalid_operation;
- return 0;
- }
- if (asect->flags & SEC_CONSTRUCTOR) {
- return (sizeof (arelent *) * (asect->reloc_count+1));
- }
-
-
- if (asect == obj_datasec (abfd))
- return (sizeof (arelent *) *
- ((exec_hdr(abfd)->a_drsize / reloc_size_func(abfd))
- +1));
-
- if (asect == obj_textsec (abfd))
- return (sizeof (arelent *) *
- ((exec_hdr(abfd)->a_trsize / reloc_size_func(abfd))
- +1));
-
- bfd_error = invalid_operation;
- return 0;
-}
-
-void
-sunos4_reclaim_reloc (ignore_abfd, ignore)
- bfd *ignore_abfd;
- sec_ptr ignore;
-{
-
-}
-\f
-
-alent *
-sunos4_get_lineno(ignore_abfd, ignore_symbol)
-bfd *ignore_abfd;
-PTR ignore_symbol;
-{
-return (alent *)NULL;
-}
-
-void
-sunos4_print_symbol(ignore_abfd, file, symbol, how)
-bfd *ignore_abfd;
-FILE *file;
-asymbol *symbol;
-bfd_print_symbol_enum_type how;
-{
- switch (how) {
- case bfd_print_symbol_name_enum:
- fprintf(file,"%s", symbol->name);
- break;
- case bfd_print_symbol_type_enum:
- fprintf(file,"%4x %2x %2x",(unsigned)(aout_symbol(symbol)->desc & 0xffff),
- (unsigned)(aout_symbol(symbol)->other & 0xff),
- (unsigned)(aout_symbol(symbol)->type));
- break;
- case bfd_print_symbol_all_enum:
- {
- CONST char *section_name = symbol->section == (asection *)NULL ?
- "*abs" : symbol->section->name;
-
- bfd_print_symbol_vandf((PTR)file,symbol);
-
- fprintf(file," %-5s %04x %02x %02x %s",
- section_name,
- (unsigned)(aout_symbol(symbol)->desc & 0xffff),
- (unsigned)(aout_symbol(symbol)->other & 0xff),
- (unsigned)(aout_symbol(symbol)->type & 0xff),
- symbol->name);
- }
- 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
- and return the name of the source file and the line nearest to the
- wanted location.
-*/
-
-boolean
-DEFUN(sunos4_find_nearest_line,(abfd,
- section,
- symbols,
- offset,
- filename_ptr,
- functionname_ptr,
- line_ptr),
- bfd *abfd AND
- asection *section AND
- asymbol **symbols AND
- bfd_vma offset AND
- CONST char **filename_ptr AND
- CONST char **functionname_ptr AND
- unsigned int *line_ptr)
-{
- /* Run down the file looking for the filename, function and linenumber */
- asymbol **p;
- static char buffer[100];
- bfd_vma high_line_vma = ~0;
- bfd_vma low_func_vma = 0;
- asymbol *func = 0;
- *filename_ptr = abfd->filename;
- *functionname_ptr = 0;
- *line_ptr = 0;
- if (symbols != (asymbol **)NULL) {
- for (p = symbols; *p; p++) {
- aout_symbol_type *q = (aout_symbol_type *)(*p);
- switch (q->type){
- case N_SO:
- *filename_ptr = q->symbol.name;
- if (obj_textsec(abfd) != section) {
- return true;
- }
- break;
- case N_SLINE:
-
- case N_DSLINE:
- case N_BSLINE:
- /* We'll keep this if it resolves nearer than the one we have already */
- if (q->symbol.value >= offset &&
- q->symbol.value < high_line_vma) {
- *line_ptr = q->desc;
- high_line_vma = q->symbol.value;
- }
- break;
- case N_FUN:
- {
- /* We'll keep this if it is nearer than the one we have already */
- if (q->symbol.value >= low_func_vma &&
- q->symbol.value <= offset) {
- low_func_vma = q->symbol.value;
- func = (asymbol *)q;
- }
- if (*line_ptr && func) {
- CONST char *function = func->name;
- char *p;
- strncpy(buffer, function, sizeof(buffer)-1);
- buffer[sizeof(buffer)-1] = 0;
- /* Have to remove : stuff */
- p = strchr(buffer,':');
- if (p != NULL) {*p = NULL; }
- *functionname_ptr = buffer;
- return true;
-
- }
- }
- break;
- }
- }
- }
-
- return true;
-
-}
-
-static int
-DEFUN(sunos4_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 */
+/* We use BFD generic archive files. */
+#define aout_openr_next_archived_file bfd_generic_openr_next_archived_file
+#define aout_generic_stat_arch_elt bfd_generic_stat_arch_elt
+#define aout_slurp_armap bfd_slurp_bsd_armap
+#define aout_slurp_extended_name_table bfd_true
+#define aout_write_armap bsd_write_armap
+#define aout_truncate_arname bfd_bsd_truncate_arname
+
+/* We use our own core file format. */
+#define aout_core_file_failing_command sunos4_core_file_failing_command
+#define aout_core_file_failing_signal sunos4_core_file_failing_signal
+#define aout_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 sunos_big_vec =
+{
+ "a.out-sunos-big", /* name */
bfd_target_aout_flavour_enum,
true, /* target byte order */
true, /* target headers byte order */
bfd_generic_archive_p, sunos4_core_file_p},
{bfd_false, sunos4_mkobject,
_bfd_generic_mkarchive, bfd_false},
+ {bfd_false, sunos4_write_object_contents, /* bfd_write_contents */
+ _bfd_write_archive_contents, 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)
- };
+ JUMP_TABLE(aout)
+};
projects / external / binutils.git / commitdiff