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authorSteve Chamberlain <steve@cygnus>1991-04-24 20:51:27 +0000
committerSteve Chamberlain <steve@cygnus>1991-04-24 20:51:27 +0000
commit4cddd1c9048abf7852e9faa4e46a9ce96d7f9436 (patch)
treeecfd460dcc357d90d1e917805f77494104b76dd7 /bfd/coff-code.h
parenta36f604047f7006445325a8e3d962c7f2c115a09 (diff)
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Changed the shape of the howto type yet again.
Now m88kbcs support can self host.
Diffstat (limited to 'bfd/coff-code.h')
-rwxr-xr-xbfd/coff-code.h203
1 files changed, 121 insertions, 82 deletions
diff --git a/bfd/coff-code.h b/bfd/coff-code.h
index 0584700..979e34d 100755
--- a/bfd/coff-code.h
+++ b/bfd/coff-code.h
@@ -234,6 +234,10 @@ DEFUN(coff_new_section_hook,(abfd_ignore, section_ignore),
bfd *abfd_ignore AND
asection *section_ignore)
{
+#ifdef MC88MAGIC
+ /* Align to at least 16 bytes */
+ section_ignore->alignment_power = 4;
+#endif
return true;
}
/* actually it makes itself and its children from the file headers */
@@ -309,7 +313,6 @@ DEFUN(coff_mkobject,(abfd),
(coff_data_type*)bfd_alloc(abfd,sizeof(coff_data_type));
coff = coff_data(abfd);
coff->relocbase = 0;
- coff->hdr = (AOUTHDR*) bfd_alloc(abfd, sizeof(AOUTHDR));
return true;
}
@@ -433,10 +436,10 @@ DEFUN(coff_real_object_p,(abfd, nscns, opthdr),
abfd->flags |= HAS_SYMS;
coff->sym_filepos = filehdr->f_symptr;
- swap_aouthdr(abfd, coff->hdr);
+ swap_aouthdr(abfd, &coff->hdr);
coff->symbols = (coff_symbol_type *) NULL;
- bfd_get_start_address(abfd) = opthdr ? exec_hdr(abfd)->entry : 0;
+ bfd_get_start_address(abfd) = opthdr ? exec_hdr(abfd).entry : 0;
return abfd->xvec;
fail:
@@ -1199,8 +1202,14 @@ coff_compute_section_file_positions(abfd)
sofar += abfd->section_count * SCNHSZ;
- for (current = abfd->sections; current != NULL; current = current->next) {
+ for (current = abfd->sections; current != NULL; current =
+ current->next) {
+#ifdef MC88MAGIC
+ sofar = current->filepos = ALIGN(sofar, 1<<
+ current->alignment_power);
+#else
current->filepos = sofar;
+#endif
/* Only add sections which have contents */
if (current->flags & SEC_HAS_CONTENTS)
sofar += current->size;
@@ -1232,28 +1241,35 @@ coff_write_object_contents(abfd)
asection *data_sec = NULL;
asection *bss_sec = NULL;
unsigned magic,
+
flags;
+
+ struct icofdata *coff = obj_icof(abfd);
+
+
bfd_error = system_call_error;
if(abfd->output_has_begun == false) {
coff_compute_section_file_positions(abfd);
}
- scn_base = (file_ptr) (sizeof(struct filehdr)
- + ((abfd->flags & EXEC_P) ? sizeof(AOUTHDR) : 0));
+ if (abfd->sections != (asection *)NULL) {
+ scn_base = abfd->sections->filepos;
+ }
+ else {
+ scn_base = 0;
+ }
if (bfd_seek(abfd, scn_base, SEEK_SET) != 0)
return false;
reloc_base = obj_relocbase(abfd);
-
-
/*
- Make a pass through the symbol table to count line number entries and
- put them into the correct asections
- */
+ Make a pass through the symbol table to count line number entries and
+ put them into the correct asections
+ */
coff_count_linenumbers(abfd);
data_base = scn_base;
/* Work out the size of the reloc and linno areas */
@@ -1294,81 +1310,81 @@ coff_write_object_contents(abfd)
(file_ptr) ((abfd->flags & EXEC_P) ?
(FILHSZ + AOUTSZ) : FILHSZ),
SEEK_SET);
- {
+ {
#if 0
- unsigned int pad = abfd->flags & D_PAGED ? data_base : 0;
+ unsigned int pad = abfd->flags & D_PAGED ? data_base : 0;
#endif
- unsigned int pad = 0;
- for (current = abfd->sections; current != NULL; current = current->next) {
- SCNHDR section;
- strncpy(&(section.s_name[0]), current->name, 8);
- section.s_vaddr = current->vma + pad;
- section.s_paddr = current->vma + pad;
- section.s_size = current->size - pad;
- /*
- If this section has no size or is unloadable then the scnptr
- will be 0 too
- */
- if (current->size - pad == 0 ||
- (current->flags & SEC_LOAD) == 0) {
- section.s_scnptr = 0;
-
- }
- else {
- section.s_scnptr = current->filepos;
- }
- section.s_relptr = current->rel_filepos;
- section.s_lnnoptr = current->line_filepos;
- section.s_nreloc = current->reloc_count;
- section.s_nlnno = current->lineno_count;
- if (current->reloc_count != 0)
- hasrelocs = true;
- if (current->lineno_count != 0)
- haslinno = true;
-
- if (!strcmp(current->name, _TEXT)) {
- text_sec = current;
- section.s_flags = STYP_TEXT; /* kind stupid optimisation */
- }
- else {
+ unsigned int pad = 0;
+ for (current = abfd->sections; current != NULL; current = current->next) {
+ SCNHDR section;
+ strncpy(&(section.s_name[0]), current->name, 8);
+ section.s_vaddr = current->vma + pad;
+ section.s_paddr = current->vma + pad;
+ section.s_size = current->size - pad;
+ /*
+ If this section has no size or is unloadable then the scnptr
+ will be 0 too
+ */
+ if (current->size - pad == 0 ||
+ (current->flags & SEC_LOAD) == 0) {
+ section.s_scnptr = 0;
- if (!strcmp(current->name, _DATA)) {
- data_sec = current;
- section.s_flags = STYP_DATA; /* kind stupid
- optimisation */
}
- else if (!strcmp(current->name, _BSS)) {
- bss_sec = current;
- section.s_flags = STYP_BSS; /* kind stupid optimisation */
+ else {
+ section.s_scnptr = current->filepos;
+ }
+ section.s_relptr = current->rel_filepos;
+ section.s_lnnoptr = current->line_filepos;
+ section.s_nreloc = current->reloc_count;
+ section.s_nlnno = current->lineno_count;
+ if (current->reloc_count != 0)
+ hasrelocs = true;
+ if (current->lineno_count != 0)
+ haslinno = true;
+
+ if (!strcmp(current->name, _TEXT)) {
+ text_sec = current;
+ section.s_flags = STYP_TEXT; /* kind stupid optimisation */
+ }
+ else {
+
+ if (!strcmp(current->name, _DATA)) {
+ data_sec = current;
+ section.s_flags = STYP_DATA; /* kind stupid
+ optimisation */
+ }
+ else if (!strcmp(current->name, _BSS)) {
+ bss_sec = current;
+ section.s_flags = STYP_BSS; /* kind stupid optimisation */
+ }
}
- }
#ifdef I960
- section.s_align = (current->alignment_power
- ? 1 << current->alignment_power
- : 0);
+ section.s_align = (current->alignment_power
+ ? 1 << current->alignment_power
+ : 0);
#endif
- swap_scnhdr(abfd, &section);
- bfd_write((PTR) (&section), 1, SCNHSZ, abfd);
- pad = 0;
- }
+ swap_scnhdr(abfd, &section);
+ bfd_write((PTR) (&section), 1, SCNHSZ, abfd);
+ pad = 0;
+ }
- }
+ }
/* OK, now set up the filehdr... */
bfd_h_put_x(abfd, abfd->section_count, &file_header.f_nscns);
/*
- We will NOT put a fucking timestamp in the header here. Every time you
- put it back, I will come in and take it out again. I'm sorry. This
- field does not belong here. We fill it with a 0 so it compares the
- same but is not a reasonable time. -- gnu@cygnus.com
- */
+ We will NOT put a fucking timestamp in the header here. Every time you
+ put it back, I will come in and take it out again. I'm sorry. This
+ field does not belong here. We fill it with a 0 so it compares the
+ same but is not a reasonable time. -- gnu@cygnus.com
+ */
/*
- Well, I like it, so I'm conditionally compiling it in.
- steve@cygnus.com
- */
+ Well, I like it, so I'm conditionally compiling it in.
+ steve@cygnus.com
+ */
#ifdef COFF_TIMESTAMP
bfd_h_put_x(abfd, time(0), &file_header.f_timdat);
#else
@@ -1395,12 +1411,16 @@ coff_write_object_contents(abfd)
file_header.f_flags |= F_LSYMS;
if (abfd->flags & EXEC_P)
file_header.f_flags |= F_EXEC;
+#if M88
+ file_header.f_flags |= F_AR32W;
+#else
if (!abfd->xvec->byteorder_big_p)
file_header.f_flags |= F_AR32WR;
+#endif
/*
- FIXME, should do something about the other byte orders and
- architectures.
- */
+ FIXME, should do something about the other byte orders and
+ architectures.
+ */
/* Set up architecture-dependent stuff */
@@ -1415,10 +1435,10 @@ coff_write_object_contents(abfd)
/* ...and the "opt"hdr... */
#ifdef I960
bfd_h_put_x(abfd, (magic == I960ROMAGIC ? NMAGIC : OMAGIC),
- &(exec_hdr(abfd)->magic));
+ &(exec_hdr(abfd).magic));
#endif
#if M88
- exec_hdr(abfd)->magic = PAGEMAGIC3;
+ exec_hdr(abfd).magic = PAGEMAGICBCS;
#endif
/* Now should write relocs, strings, syms */
@@ -1431,21 +1451,21 @@ coff_write_object_contents(abfd)
coff_write_relocs(abfd);
}
if (text_sec) {
- bfd_h_put_x(abfd, text_sec->size, &exec_hdr(abfd)->tsize);
+ bfd_h_put_x(abfd, text_sec->size, &coff->hdr.tsize);
bfd_h_put_x(abfd,
text_sec->size ? text_sec->vma : 0,
- &exec_hdr(abfd)->text_start);
+ &exec_hdr(abfd).text_start);
}
if (data_sec) {
- bfd_h_put_x(abfd, data_sec->size, &exec_hdr(abfd)->dsize);
+ bfd_h_put_x(abfd, data_sec->size, &coff->hdr.dsize);
bfd_h_put_x(abfd,
data_sec->size ? data_sec->vma : 0,
- &exec_hdr(abfd)->data_start);
+ &exec_hdr(abfd).data_start);
}
if (bss_sec) {
- bfd_h_put_x(abfd, bss_sec->size, &exec_hdr(abfd)->bsize);
+ bfd_h_put_x(abfd, bss_sec->size, &coff->hdr.bsize);
}
- bfd_h_put_x(abfd, bfd_get_start_address(abfd), &exec_hdr(abfd)->entry);
+ bfd_h_put_x(abfd, bfd_get_start_address(abfd), &coff->hdr.entry);
/* now write them */
@@ -1457,7 +1477,7 @@ coff_write_object_contents(abfd)
if (abfd->flags & EXEC_P) {
- bfd_write((PTR) exec_hdr(abfd), 1, AOUTSZ, abfd);
+ bfd_write((PTR) &coff->hdr, 1, AOUTSZ, abfd);
}
return true;
}
@@ -2272,6 +2292,7 @@ coff_slurp_reloc_table(abfd, asect, symbols)
#if M88
if (src->r_type >= R_PCR16L && src->r_type <= R_VRT32) {
cache_ptr->howto = howto_table + src->r_type - R_PCR16L;
+ cache_ptr->addend += src->r_offset << 16;
}
else {
BFD_ASSERT(0);
@@ -2469,6 +2490,24 @@ return obj_sym_filepos(abfd);
#endif
+static int
+DEFUN(coff_sizeof_headers,(abfd, reloc),
+ bfd *abfd AND
+ boolean reloc)
+{
+ size_t size;
+
+ if (reloc == false) {
+ size = sizeof(struct filehdr) + sizeof(AOUTHDR);
+ }
+ else {
+ size = sizeof(struct filehdr);
+ }
+
+ size += abfd->section_count * SCNHSZ;
+ return size;
+}
+
#define coff_core_file_failing_command _bfd_dummy_core_file_failing_command
#define coff_core_file_failing_signal _bfd_dummy_core_file_failing_signal