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authorSteve Chamberlain <sac@cygnus>1995-08-31 03:47:46 +0000
committerSteve Chamberlain <sac@cygnus>1995-08-31 03:47:46 +0000
commit275143ebee76fb55c684e2ca3c0a3c4b3aaa76d4 (patch)
treef71f0895fc7aac1f14f277324573a79a1b36519d /bfd
parent9b73a4677d2e54ac6e6eda6e7bdb0a1215ad039d (diff)
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Wed Aug 30 20:41:27 1995 steve chamberlain <sac@slash.cygnus.com>
* coff-arm.c (deletemeacoff_arm_reloc): Deleted. (arm26): Not partial inplace. * coffcode.h (coff_compute_section_file_positions): Don't do page aligning if COFF_PAGE_SIZE isn't defined. * coffswap.h (coff_swap_scnhdr_in): Update image base correctly.
Diffstat (limited to 'bfd')
-rw-r--r--bfd/coff-arm.c132
-rw-r--r--bfd/coffcode.h21
-rw-r--r--bfd/coffswap.h52
3 files changed, 91 insertions, 114 deletions
diff --git a/bfd/coff-arm.c b/bfd/coff-arm.c
index 3136a8d..31a3994 100644
--- a/bfd/coff-arm.c
+++ b/bfd/coff-arm.c
@@ -45,6 +45,8 @@ aoutarm_fix_pcrel_26 PARAMS ((bfd *, arelent *, asymbol *, PTR,
static bfd_reloc_status_type coff_arm_reloc
PARAMS ((bfd *, arelent *, asymbol *, PTR, asection *, bfd *, char **));
+
+/* Used by the assembler. */
static bfd_reloc_status_type
coff_arm_reloc (abfd, reloc_entry, symbol, data, input_section, output_bfd,
error_message)
@@ -57,7 +59,6 @@ coff_arm_reloc (abfd, reloc_entry, symbol, data, input_section, output_bfd,
char **error_message;
{
symvalue diff;
-
if (output_bfd == (bfd *) NULL)
return bfd_reloc_continue;
@@ -183,7 +184,7 @@ static reloc_howto_type aoutarm_std_reloc_howto[] =
complain_overflow_signed,
aoutarm_fix_pcrel_26 ,
"ARM26",
- true,
+ false,
0x00ffffff,
0x00ffffff,
PCRELOFFSET),
@@ -282,10 +283,34 @@ static reloc_howto_type aoutarm_std_reloc_howto[] =
};
-
#define RTYPE2HOWTO(cache_ptr, dst) \
(cache_ptr)->howto = aoutarm_std_reloc_howto + (dst)->r_type;
+#define coff_rtype_to_howto coff_arm_rtype_to_howto
+static reloc_howto_type *
+coff_arm_rtype_to_howto (abfd, sec, rel, h, sym, addendp)
+ bfd *abfd;
+ asection *sec;
+ struct internal_reloc *rel;
+ struct coff_link_hash_entry *h;
+ struct internal_syment *sym;
+ bfd_vma *addendp;
+{
+ reloc_howto_type *howto;
+
+ howto = aoutarm_std_reloc_howto + rel->r_type;
+
+ if (rel->r_type == 11)
+ {
+ /* Gross, where can I get this from ?? */
+ struct bfd_link_info *link_info = coff_data(sec->output_section->owner)->link_info;
+ *addendp -= link_info->pe_info->image_base.value;
+ }
+ return howto;
+
+}
+/* Used by the assembler. */
+
static bfd_reloc_status_type
aoutarm_fix_pcrel_26_done (abfd, reloc_entry, symbol, data, input_section,
output_bfd, error_message)
@@ -301,6 +326,8 @@ aoutarm_fix_pcrel_26_done (abfd, reloc_entry, symbol, data, input_section,
return bfd_reloc_ok;
}
+/* Used by the assembler. */
+
static bfd_reloc_status_type
aoutarm_fix_pcrel_26 (abfd, reloc_entry, symbol, data, input_section,
output_bfd, error_message)
@@ -356,10 +383,11 @@ aoutarm_fix_pcrel_26 (abfd, reloc_entry, symbol, data, input_section,
/* Now the ARM magic... Change the reloc type so that it is marked as done.
Strictly this is only necessary if we are doing a partial relocation. */
reloc_entry->howto = &aoutarm_std_reloc_howto[7];
-
+
return flag;
}
+
static CONST struct reloc_howto_struct *
arm_reloc_type_lookup(abfd,code)
bfd *abfd;
@@ -395,100 +423,6 @@ arm_reloc_type_lookup(abfd,code)
/* The page size is a guess based on ELF. */
#define COFF_PAGE_SIZE 0x1000
-/* For some reason when using arm COFF the value stored in the .text
- section for a reference to a common symbol is the value itself plus
- any desired offset. Ian Taylor, Cygnus Support. */
-
-/* If we are producing relocateable output, we need to do some
- adjustments to the object file that are not done by the
- bfd_perform_relocation function. This function is called by every
- reloc type to make any required adjustments. */
-
-static bfd_reloc_status_type
-aacoff_arm_reloc (abfd, reloc_entry, symbol, data, input_section, output_bfd,
- error_message)
- bfd *abfd;
- arelent *reloc_entry;
- asymbol *symbol;
- PTR data;
- asection *input_section;
- bfd *output_bfd;
- char **error_message;
-{
- symvalue diff;
-
- if (output_bfd == (bfd *) NULL)
- return bfd_reloc_continue;
-
- if (bfd_is_com_section (symbol->section))
- {
- /* We are relocating a common symbol. The current value in the
- object file is ORIG + OFFSET, where ORIG is the value of the
- common symbol as seen by the object file when it was compiled
- (this may be zero if the symbol was undefined) and OFFSET is
- the offset into the common symbol (normally zero, but may be
- non-zero when referring to a field in a common structure).
- ORIG is the negative of reloc_entry->addend, which is set by
- the CALC_ADDEND macro below. We want to replace the value in
- the object file with NEW + OFFSET, where NEW is the value of
- the common symbol which we are going to put in the final
- object file. NEW is symbol->value. */
- diff = symbol->value + reloc_entry->addend;
- }
- else
- {
- /* For some reason bfd_perform_relocation always effectively
- ignores the addend for a COFF target when producing
- relocateable output. This seems to be always wrong for arm
- COFF, so we handle the addend here instead. */
- diff = reloc_entry->addend;
- }
-
-#define DOIT(x) \
- x = ((x & ~howto->dst_mask) | (((x & howto->src_mask) + diff) & howto->dst_mask))
-
- if (diff != 0)
- {
- reloc_howto_type *howto = reloc_entry->howto;
- unsigned char *addr = (unsigned char *) data + reloc_entry->address;
-
- switch (howto->size)
- {
- case 0:
- {
- char x = bfd_get_8 (abfd, addr);
- DOIT (x);
- bfd_put_8 (abfd, x, addr);
- }
- break;
-
- case 1:
- {
- short x = bfd_get_16 (abfd, addr);
- DOIT (x);
- bfd_put_16 (abfd, x, addr);
- }
- break;
-
- case 2:
- {
- long x = bfd_get_32 (abfd, addr);
- DOIT (x);
- bfd_put_32 (abfd, x, addr);
- }
- break;
-
- default:
- abort ();
- }
- }
-
- /* Now let bfd_perform_relocation finish everything up. */
- return bfd_reloc_continue;
-}
-
-
-
/* Turn a howto into a reloc nunmber */
@@ -512,8 +446,6 @@ aacoff_arm_reloc (abfd, reloc_entry, symbol, data, input_section, output_bfd,
/* We use the special COFF backend linker. */
#define coff_relocate_section _bfd_coff_generic_relocate_section
-
-
#include "coffcode.h"
static const bfd_target *
diff --git a/bfd/coffcode.h b/bfd/coffcode.h
index 76d8fd4..1995d6e 100644
--- a/bfd/coffcode.h
+++ b/bfd/coffcode.h
@@ -1507,7 +1507,7 @@ coff_compute_section_file_positions (abfd)
asection *current;
asection *previous = (asection *) NULL;
file_ptr sofar = FILHSZ;
- int page_size;
+
#ifndef I960
file_ptr old_sofar;
#endif
@@ -1515,6 +1515,7 @@ coff_compute_section_file_positions (abfd)
#ifdef COFF_IMAGE_WITH_PE
+ int page_size;
if (coff_data (abfd)->link_info)
{
page_size = pe_value (&(coff_data (abfd)->link_info->pe_info->file_alignment),
@@ -1522,9 +1523,10 @@ coff_compute_section_file_positions (abfd)
}
else
page_size = PE_DEF_FILE_ALIGNMENT;
-#else
- page_size = COFF_PAGE_SIZE;
+#elif defined (COFF_PAGE_SIZE)
+ int page_size = COFF_PAGE_SIZE;
#endif
+
if (bfd_get_start_address (abfd))
{
/* A start address may have been added to the original file. In this
@@ -1577,9 +1579,11 @@ coff_compute_section_file_positions (abfd)
/* In demand paged files the low order bits of the file offset
must match the low order bits of the virtual address. */
+#ifdef COFF_PAGE_SIZE
if ((abfd->flags & D_PAGED) != 0
&& (current->flags & SEC_ALLOC) != 0)
sofar += (current->vma - sofar) % page_size;
+#endif
current->filepos = sofar;
@@ -1748,11 +1752,11 @@ fill_pe_header_info (abfd, internal_f, internal_a)
internal_a->entry -= ib;
- sa = internal_a->pe->SectionAlignment = pe_value (&pe_info->section_alignment,
- NT_SECTION_ALIGNMENT);
+ sa = internal_a->pe->SectionAlignment = pe_value (&pe_info->section_alignment,
+ NT_SECTION_ALIGNMENT);
- fa = internal_a->pe->FileAlignment = pe_value (&pe_info->file_alignment,
- NT_FILE_ALIGNMENT);
+ fa = internal_a->pe->FileAlignment = pe_value (&pe_info->file_alignment,
+ NT_FILE_ALIGNMENT);
#define FA(x) (((x) + fa -1 ) & (- fa))
#define SA(x) (((x) + sa -1 ) & (- sa))
@@ -1841,8 +1845,6 @@ fill_pe_header_info (abfd, internal_f, internal_a)
structure are in order and that I have successfully saved the last
section's address and size. */
-
-
/* The headers go up to where the first section starts. */
internal_a->pe->SizeOfHeaders = abfd->sections->filepos;
@@ -1874,7 +1876,6 @@ fill_pe_header_info (abfd, internal_f, internal_a)
bfd_vma dsize= 0;
bfd_vma isize = SA(abfd->sections->filepos);
bfd_vma tsize= 0;
- bfd_vma dstart = 0;
for (sec = abfd->sections; sec; sec = sec->next)
{
int rounded = FA(sec->_raw_size);
diff --git a/bfd/coffswap.h b/bfd/coffswap.h
index 4b35942..4ab7340 100644
--- a/bfd/coffswap.h
+++ b/bfd/coffswap.h
@@ -715,6 +715,51 @@ coff_swap_aouthdr_in (abfd, aouthdr_ext1, aouthdr_int1)
aouthdr_int->gprmask = bfd_h_get_32(abfd, aouthdr_ext->gprmask);
aouthdr_int->fprmask = bfd_h_get_32(abfd, aouthdr_ext->fprmask);
#endif
+
+#ifdef COFF_IMAGE_WITH_PE
+
+ {
+ struct internal_extra_pe_aouthdr *a;
+ PEAOUTHDR *src = (PEAOUTHDR *)(aouthdr_ext);
+ a = aouthdr_int->pe = bfd_alloc (abfd, sizeof (*a));
+
+ a->ImageBase = bfd_h_get_32 (abfd, src->ImageBase);
+ a->SectionAlignment = bfd_h_get_32 (abfd, src->SectionAlignment);
+ a->FileAlignment = bfd_h_get_32 (abfd, src->FileAlignment);
+ a->MajorOperatingSystemVersion =
+ bfd_h_get_16 (abfd, src->MajorOperatingSystemVersion);
+ a->MinorOperatingSystemVersion =
+ bfd_h_get_16 (abfd, src->MinorOperatingSystemVersion);
+ a->MajorImageVersion = bfd_h_get_16 (abfd, src->MajorImageVersion);
+ a->MinorImageVersion = bfd_h_get_16 (abfd, src->MinorImageVersion);
+ a->MajorSubsystemVersion = bfd_h_get_16 (abfd, src->MajorSubsystemVersion);
+ a->MinorSubsystemVersion = bfd_h_get_16 (abfd, src->MinorSubsystemVersion);
+ a->Reserved1 = bfd_h_get_32 (abfd, src->Reserved1);
+ a->SizeOfImage = bfd_h_get_32 (abfd, src->SizeOfImage);
+ a->SizeOfHeaders = bfd_h_get_32 (abfd, src->SizeOfHeaders);
+ a->CheckSum = bfd_h_get_32 (abfd, src->CheckSum);
+ a->Subsystem = bfd_h_get_16 (abfd, src->Subsystem);
+ a->DllCharacteristics = bfd_h_get_16 (abfd, src->DllCharacteristics);
+ a->SizeOfStackReserve = bfd_h_get_32 (abfd, src->SizeOfStackReserve);
+ a->SizeOfStackCommit = bfd_h_get_32 (abfd, src->SizeOfStackCommit);
+ a->SizeOfHeapReserve = bfd_h_get_32 (abfd, src->SizeOfHeapReserve);
+ a->SizeOfHeapCommit = bfd_h_get_32 (abfd, src->SizeOfHeapCommit);
+ a->LoaderFlags = bfd_h_get_32 (abfd, src->LoaderFlags);
+ a->NumberOfRvaAndSizes = bfd_h_get_32 (abfd, src->NumberOfRvaAndSizes);
+
+ {
+ int idx;
+ for (idx=0; idx < 16; idx++)
+ {
+ a->DataDirectory[idx].VirtualAddress =
+ bfd_h_get_32 (abfd, src->DataDirectory[idx][0]);
+ a->DataDirectory[idx].Size =
+ bfd_h_get_32 (abfd, src->DataDirectory[idx][1]);
+ }
+ }
+ }
+#endif
+
}
static unsigned int
@@ -736,7 +781,7 @@ coff_swap_aouthdr_out (abfd, in, out)
(bfd_byte *) aouthdr_out->text_start);
PUT_AOUTHDR_DATA_START (abfd, aouthdr_in->data_start,
(bfd_byte *) aouthdr_out->data_start);
-#ifdef COFF_WITH_PE
+#ifdef COFF_IMAGE_WITH_PE
{
PEAOUTHDR *peaouthdr_out = (PEAOUTHDR *)aouthdr_out;
bfd_h_put_32 (abfd, aouthdr_in->pe->ImageBase,
@@ -855,13 +900,12 @@ coff_swap_scnhdr_in (abfd, ext, in)
#ifdef I960
scnhdr_int->s_align = bfd_h_get_32(abfd, (bfd_byte *) scnhdr_ext->s_align);
#endif
-
+#ifdef COFF_IMAGE_WITH_PE
#ifdef NT_EXE_IMAGE_BASE
-/*
if (scnhdr_int->s_vaddr != 0) {
scnhdr_int->s_vaddr += NT_EXE_IMAGE_BASE;
}
-*/
+#endif
#endif
}