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.
This commit is contained in:
Steve Chamberlain
parent
9b73a4677d
commit
275143ebee
132
bfd/coff-arm.c
132
bfd/coff-arm.c
@ -45,6 +45,8 @@ aoutarm_fix_pcrel_26 PARAMS ((bfd *, arelent *, asymbol *, PTR,
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static bfd_reloc_status_type coff_arm_reloc
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PARAMS ((bfd *, arelent *, asymbol *, PTR, asection *, bfd *, char **));
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/* Used by the assembler. */
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static bfd_reloc_status_type
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coff_arm_reloc (abfd, reloc_entry, symbol, data, input_section, output_bfd,
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error_message)
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@ -57,7 +59,6 @@ coff_arm_reloc (abfd, reloc_entry, symbol, data, input_section, output_bfd,
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char **error_message;
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{
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symvalue diff;
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if (output_bfd == (bfd *) NULL)
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return bfd_reloc_continue;
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@ -183,7 +184,7 @@ static reloc_howto_type aoutarm_std_reloc_howto[] =
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complain_overflow_signed,
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aoutarm_fix_pcrel_26 ,
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"ARM26",
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true,
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false,
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0x00ffffff,
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0x00ffffff,
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PCRELOFFSET),
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@ -282,10 +283,34 @@ static reloc_howto_type aoutarm_std_reloc_howto[] =
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};
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#define RTYPE2HOWTO(cache_ptr, dst) \
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(cache_ptr)->howto = aoutarm_std_reloc_howto + (dst)->r_type;
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#define coff_rtype_to_howto coff_arm_rtype_to_howto
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static reloc_howto_type *
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coff_arm_rtype_to_howto (abfd, sec, rel, h, sym, addendp)
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bfd *abfd;
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asection *sec;
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struct internal_reloc *rel;
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struct coff_link_hash_entry *h;
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struct internal_syment *sym;
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bfd_vma *addendp;
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{
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reloc_howto_type *howto;
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howto = aoutarm_std_reloc_howto + rel->r_type;
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if (rel->r_type == 11)
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{
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/* Gross, where can I get this from ?? */
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struct bfd_link_info *link_info = coff_data(sec->output_section->owner)->link_info;
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*addendp -= link_info->pe_info->image_base.value;
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}
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return howto;
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}
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/* Used by the assembler. */
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static bfd_reloc_status_type
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aoutarm_fix_pcrel_26_done (abfd, reloc_entry, symbol, data, input_section,
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output_bfd, error_message)
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@ -301,6 +326,8 @@ aoutarm_fix_pcrel_26_done (abfd, reloc_entry, symbol, data, input_section,
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return bfd_reloc_ok;
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}
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/* Used by the assembler. */
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static bfd_reloc_status_type
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aoutarm_fix_pcrel_26 (abfd, reloc_entry, symbol, data, input_section,
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output_bfd, error_message)
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@ -356,10 +383,11 @@ aoutarm_fix_pcrel_26 (abfd, reloc_entry, symbol, data, input_section,
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/* Now the ARM magic... Change the reloc type so that it is marked as done.
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Strictly this is only necessary if we are doing a partial relocation. */
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reloc_entry->howto = &aoutarm_std_reloc_howto[7];
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return flag;
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}
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static CONST struct reloc_howto_struct *
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arm_reloc_type_lookup(abfd,code)
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bfd *abfd;
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@ -395,100 +423,6 @@ arm_reloc_type_lookup(abfd,code)
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/* The page size is a guess based on ELF. */
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#define COFF_PAGE_SIZE 0x1000
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/* For some reason when using arm COFF the value stored in the .text
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section for a reference to a common symbol is the value itself plus
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any desired offset. Ian Taylor, Cygnus Support. */
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/* If we are producing relocateable output, we need to do some
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adjustments to the object file that are not done by the
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bfd_perform_relocation function. This function is called by every
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reloc type to make any required adjustments. */
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static bfd_reloc_status_type
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aacoff_arm_reloc (abfd, reloc_entry, symbol, data, input_section, output_bfd,
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error_message)
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bfd *abfd;
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arelent *reloc_entry;
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asymbol *symbol;
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PTR data;
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asection *input_section;
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bfd *output_bfd;
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char **error_message;
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{
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symvalue diff;
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if (output_bfd == (bfd *) NULL)
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return bfd_reloc_continue;
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if (bfd_is_com_section (symbol->section))
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{
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/* We are relocating a common symbol. The current value in the
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object file is ORIG + OFFSET, where ORIG is the value of the
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common symbol as seen by the object file when it was compiled
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(this may be zero if the symbol was undefined) and OFFSET is
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the offset into the common symbol (normally zero, but may be
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non-zero when referring to a field in a common structure).
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ORIG is the negative of reloc_entry->addend, which is set by
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the CALC_ADDEND macro below. We want to replace the value in
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the object file with NEW + OFFSET, where NEW is the value of
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the common symbol which we are going to put in the final
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object file. NEW is symbol->value. */
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diff = symbol->value + reloc_entry->addend;
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}
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else
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{
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/* For some reason bfd_perform_relocation always effectively
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ignores the addend for a COFF target when producing
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relocateable output. This seems to be always wrong for arm
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COFF, so we handle the addend here instead. */
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diff = reloc_entry->addend;
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}
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#define DOIT(x) \
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x = ((x & ~howto->dst_mask) | (((x & howto->src_mask) + diff) & howto->dst_mask))
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if (diff != 0)
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{
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reloc_howto_type *howto = reloc_entry->howto;
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unsigned char *addr = (unsigned char *) data + reloc_entry->address;
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switch (howto->size)
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{
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case 0:
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{
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char x = bfd_get_8 (abfd, addr);
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DOIT (x);
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bfd_put_8 (abfd, x, addr);
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}
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break;
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case 1:
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{
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short x = bfd_get_16 (abfd, addr);
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DOIT (x);
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bfd_put_16 (abfd, x, addr);
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}
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break;
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case 2:
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{
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long x = bfd_get_32 (abfd, addr);
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DOIT (x);
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bfd_put_32 (abfd, x, addr);
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}
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break;
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default:
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abort ();
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}
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}
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/* Now let bfd_perform_relocation finish everything up. */
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return bfd_reloc_continue;
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}
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/* Turn a howto into a reloc nunmber */
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@ -512,8 +446,6 @@ aacoff_arm_reloc (abfd, reloc_entry, symbol, data, input_section, output_bfd,
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/* We use the special COFF backend linker. */
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#define coff_relocate_section _bfd_coff_generic_relocate_section
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#include "coffcode.h"
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static const bfd_target *
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@ -1507,7 +1507,7 @@ coff_compute_section_file_positions (abfd)
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asection *current;
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asection *previous = (asection *) NULL;
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file_ptr sofar = FILHSZ;
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int page_size;
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#ifndef I960
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file_ptr old_sofar;
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#endif
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@ -1515,6 +1515,7 @@ coff_compute_section_file_positions (abfd)
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#ifdef COFF_IMAGE_WITH_PE
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int page_size;
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if (coff_data (abfd)->link_info)
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{
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page_size = pe_value (&(coff_data (abfd)->link_info->pe_info->file_alignment),
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@ -1522,9 +1523,10 @@ coff_compute_section_file_positions (abfd)
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}
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else
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page_size = PE_DEF_FILE_ALIGNMENT;
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#else
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page_size = COFF_PAGE_SIZE;
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#elif defined (COFF_PAGE_SIZE)
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int page_size = COFF_PAGE_SIZE;
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#endif
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if (bfd_get_start_address (abfd))
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{
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/* A start address may have been added to the original file. In this
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@ -1577,9 +1579,11 @@ coff_compute_section_file_positions (abfd)
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/* In demand paged files the low order bits of the file offset
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must match the low order bits of the virtual address. */
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#ifdef COFF_PAGE_SIZE
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if ((abfd->flags & D_PAGED) != 0
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&& (current->flags & SEC_ALLOC) != 0)
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sofar += (current->vma - sofar) % page_size;
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#endif
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current->filepos = sofar;
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@ -1748,11 +1752,11 @@ fill_pe_header_info (abfd, internal_f, internal_a)
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internal_a->entry -= ib;
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sa = internal_a->pe->SectionAlignment = pe_value (&pe_info->section_alignment,
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NT_SECTION_ALIGNMENT);
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sa = internal_a->pe->SectionAlignment = pe_value (&pe_info->section_alignment,
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NT_SECTION_ALIGNMENT);
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fa = internal_a->pe->FileAlignment = pe_value (&pe_info->file_alignment,
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NT_FILE_ALIGNMENT);
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fa = internal_a->pe->FileAlignment = pe_value (&pe_info->file_alignment,
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NT_FILE_ALIGNMENT);
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#define FA(x) (((x) + fa -1 ) & (- fa))
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#define SA(x) (((x) + sa -1 ) & (- sa))
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@ -1841,8 +1845,6 @@ fill_pe_header_info (abfd, internal_f, internal_a)
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structure are in order and that I have successfully saved the last
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section's address and size. */
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/* The headers go up to where the first section starts. */
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internal_a->pe->SizeOfHeaders = abfd->sections->filepos;
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@ -1874,7 +1876,6 @@ fill_pe_header_info (abfd, internal_f, internal_a)
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bfd_vma dsize= 0;
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bfd_vma isize = SA(abfd->sections->filepos);
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bfd_vma tsize= 0;
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bfd_vma dstart = 0;
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for (sec = abfd->sections; sec; sec = sec->next)
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{
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int rounded = FA(sec->_raw_size);
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@ -715,6 +715,51 @@ coff_swap_aouthdr_in (abfd, aouthdr_ext1, aouthdr_int1)
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aouthdr_int->gprmask = bfd_h_get_32(abfd, aouthdr_ext->gprmask);
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aouthdr_int->fprmask = bfd_h_get_32(abfd, aouthdr_ext->fprmask);
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#endif
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#ifdef COFF_IMAGE_WITH_PE
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{
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struct internal_extra_pe_aouthdr *a;
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PEAOUTHDR *src = (PEAOUTHDR *)(aouthdr_ext);
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a = aouthdr_int->pe = bfd_alloc (abfd, sizeof (*a));
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a->ImageBase = bfd_h_get_32 (abfd, src->ImageBase);
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a->SectionAlignment = bfd_h_get_32 (abfd, src->SectionAlignment);
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a->FileAlignment = bfd_h_get_32 (abfd, src->FileAlignment);
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a->MajorOperatingSystemVersion =
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bfd_h_get_16 (abfd, src->MajorOperatingSystemVersion);
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a->MinorOperatingSystemVersion =
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bfd_h_get_16 (abfd, src->MinorOperatingSystemVersion);
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a->MajorImageVersion = bfd_h_get_16 (abfd, src->MajorImageVersion);
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a->MinorImageVersion = bfd_h_get_16 (abfd, src->MinorImageVersion);
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a->MajorSubsystemVersion = bfd_h_get_16 (abfd, src->MajorSubsystemVersion);
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a->MinorSubsystemVersion = bfd_h_get_16 (abfd, src->MinorSubsystemVersion);
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a->Reserved1 = bfd_h_get_32 (abfd, src->Reserved1);
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a->SizeOfImage = bfd_h_get_32 (abfd, src->SizeOfImage);
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a->SizeOfHeaders = bfd_h_get_32 (abfd, src->SizeOfHeaders);
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a->CheckSum = bfd_h_get_32 (abfd, src->CheckSum);
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a->Subsystem = bfd_h_get_16 (abfd, src->Subsystem);
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a->DllCharacteristics = bfd_h_get_16 (abfd, src->DllCharacteristics);
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a->SizeOfStackReserve = bfd_h_get_32 (abfd, src->SizeOfStackReserve);
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a->SizeOfStackCommit = bfd_h_get_32 (abfd, src->SizeOfStackCommit);
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a->SizeOfHeapReserve = bfd_h_get_32 (abfd, src->SizeOfHeapReserve);
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a->SizeOfHeapCommit = bfd_h_get_32 (abfd, src->SizeOfHeapCommit);
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a->LoaderFlags = bfd_h_get_32 (abfd, src->LoaderFlags);
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a->NumberOfRvaAndSizes = bfd_h_get_32 (abfd, src->NumberOfRvaAndSizes);
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{
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int idx;
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for (idx=0; idx < 16; idx++)
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{
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a->DataDirectory[idx].VirtualAddress =
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bfd_h_get_32 (abfd, src->DataDirectory[idx][0]);
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a->DataDirectory[idx].Size =
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bfd_h_get_32 (abfd, src->DataDirectory[idx][1]);
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}
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}
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}
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#endif
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}
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static unsigned int
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@ -736,7 +781,7 @@ coff_swap_aouthdr_out (abfd, in, out)
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(bfd_byte *) aouthdr_out->text_start);
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PUT_AOUTHDR_DATA_START (abfd, aouthdr_in->data_start,
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(bfd_byte *) aouthdr_out->data_start);
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#ifdef COFF_WITH_PE
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#ifdef COFF_IMAGE_WITH_PE
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{
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PEAOUTHDR *peaouthdr_out = (PEAOUTHDR *)aouthdr_out;
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bfd_h_put_32 (abfd, aouthdr_in->pe->ImageBase,
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@ -855,13 +900,12 @@ coff_swap_scnhdr_in (abfd, ext, in)
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#ifdef I960
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scnhdr_int->s_align = bfd_h_get_32(abfd, (bfd_byte *) scnhdr_ext->s_align);
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#endif
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#ifdef COFF_IMAGE_WITH_PE
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#ifdef NT_EXE_IMAGE_BASE
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/*
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if (scnhdr_int->s_vaddr != 0) {
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scnhdr_int->s_vaddr += NT_EXE_IMAGE_BASE;
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}
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*/
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#endif
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#endif
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}
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