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* config/obj-coffbfd.c: lint, don't fixup relocs if H8300, use

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tc_reloc_mangle to prepare relocation if one available
	* config/tc-h8300.h: added tc_reloc_mangle routine
This commit is contained in:
Steve Chamberlain
1991-12-12 02:17:22 +00:00
parent b4e2425020
commit 410e67eb21
2 changed files with 91 additions and 79 deletions
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167
gas/config/obj-coffbfd.c
View File

@ -315,98 +315,108 @@ void DEFUN(do_relocs_for,(abfd, file_cursor),
bfd *abfd AND bfd *abfd AND
unsigned long *file_cursor) unsigned long *file_cursor)
{ {
unsigned int nrelocs; unsigned int nrelocs;
unsigned int idx;
unsigned int idx;
for (idx = SEG_E0; idx < SEG_E9; idx++)
{
if (segment_info[idx].scnhdr.s_name[0])
for (idx = SEG_E0; idx < SEG_E9; idx++)
{ {
if (segment_info[idx].scnhdr.s_name[0])
{
struct external_reloc *ext_ptr; struct external_reloc *ext_ptr;
struct external_reloc *external_reloc_vec; struct external_reloc *external_reloc_vec;
unsigned int external_reloc_size; unsigned int external_reloc_size;
unsigned int count = 0; unsigned int count = 0;
unsigned int base = segment_info[idx].scnhdr.s_paddr; unsigned int base = segment_info[idx].scnhdr.s_paddr;
fixS * fix_ptr = segment_info[idx].fix_root; fixS * fix_ptr = segment_info[idx].fix_root;
nrelocs = count_entries_in_chain(idx); nrelocs = count_entries_in_chain(idx);
external_reloc_size = nrelocs * RELSZ; external_reloc_size = nrelocs * RELSZ;
external_reloc_vec = external_reloc_vec =
(struct external_reloc*)malloc(external_reloc_size); (struct external_reloc*)malloc(external_reloc_size);
ext_ptr = external_reloc_vec; ext_ptr = external_reloc_vec;
/* Fill in the internal coff style reloc struct from the /* Fill in the internal coff style reloc struct from the
internal fix list */ internal fix list */
while (fix_ptr) while (fix_ptr)
{ {
symbolS *symbol_ptr; symbolS *symbol_ptr;
struct internal_reloc intr; struct internal_reloc intr;
/* Only output some of the relocations */
if (TC_COUNT_RELOC(fix_ptr))
{
symbolS *dot;
symbol_ptr = fix_ptr->fx_addsy;
intr.r_type = TC_COFF_FIX2RTYPE(fix_ptr);
intr.r_vaddr = base + fix_ptr->fx_frag->fr_address + fix_ptr->fx_where ;
/* Turn the segment of the symbol into an offset
*/
dot =
segment_info[S_GET_SEGMENT(symbol_ptr)].dot;
if (dot)
{
intr.r_symndx = dot->sy_number;
}
else
{
intr.r_symndx = symbol_ptr->sy_number;
}
/* Only output some of the relocations */
if (TC_COUNT_RELOC(fix_ptr))
{
#ifdef TC_RELOC_MANGLE(fix_ptr, &intr)
TC_RELOC_MANGLE(fix_ptr, &intr);
(void)bfd_coff_swap_reloc_out(abfd, &intr, ext_ptr); #else
ext_ptr++; symbolS *dot;
symbol_ptr = fix_ptr->fx_addsy;
intr.r_type = TC_COFF_FIX2RTYPE(fix_ptr);
intr.r_vaddr =
base + fix_ptr->fx_frag->fr_address + fix_ptr->fx_where ;
intr.r_offset = fix_ptr->fx_offset;
intr.r_offset = 0;
/* Turn the segment of the symbol into an offset
*/
if (symbol_ptr)
{
dot = segment_info[S_GET_SEGMENT(symbol_ptr)].dot;
if (dot)
{
intr.r_symndx = dot->sy_number;
}
else
{
intr.r_symndx = symbol_ptr->sy_number;
}
}
else
{
intr.r_symndx = -1;
}
#endif
(void)bfd_coff_swap_reloc_out(abfd, &intr, ext_ptr);
ext_ptr++;
#if defined(TC_A29K) #if defined(TC_A29K)
/* The 29k has a special kludge for the high 16 bit reloc. /* The 29k has a special kludge for the high 16 bit reloc.
Two relocations are emmited, R_IHIHALF, and Two relocations are emmited, R_IHIHALF, and
R_IHCONST. The second one doesn't contain a symbol, R_IHCONST. The second one doesn't contain a symbol,
but uses the value for offset */ but uses the value for offset */
if (intr.r_type == R_IHIHALF) if (intr.r_type == R_IHIHALF)
{ {
/* now emit the second bit */ /* now emit the second bit */
intr.r_type = R_IHCONST; intr.r_type = R_IHCONST;
intr.r_symndx = fix_ptr->fx_addnumber; intr.r_symndx = fix_ptr->fx_addnumber;
(void)bfd_coff_swap_reloc_out(abfd,&intr,ext_ptr); (void)bfd_coff_swap_reloc_out(abfd,&intr,ext_ptr);
ext_ptr++; ext_ptr++;
} }
#endif #endif
}
fix_ptr = fix_ptr->fx_next;
}
/* Write out the reloc table */
segment_info[idx].scnhdr.s_relptr = *file_cursor;
segment_info[idx].scnhdr.s_nreloc = nrelocs;
bfd_write((PTR)external_reloc_vec, 1, external_reloc_size, abfd);
*file_cursor += external_reloc_size;
free( external_reloc_vec);
} }
fix_ptr = fix_ptr->fx_next;
}
/* Write out the reloc table */
segment_info[idx].scnhdr.s_relptr = *file_cursor;
segment_info[idx].scnhdr.s_nreloc = nrelocs;
bfd_write((PTR)external_reloc_vec, 1, external_reloc_size, abfd);
*file_cursor += external_reloc_size;
free( external_reloc_vec);
} }
}
} }
@ -1622,11 +1632,12 @@ extern void DEFUN_VOID(write_object_file)
/* Turn the gas native symbol table shape into a coff symbol table */ /* Turn the gas native symbol table shape into a coff symbol table */
crawl_symbols(&filehdr, abfd); crawl_symbols(&filehdr, abfd);
#ifndef TC_H8300
for (i = SEG_E0; i < SEG_UNKNOWN; i++) for (i = SEG_E0; i < SEG_UNKNOWN; i++)
{ {
fixup_segment(segment_info[i].fix_root, i); fixup_segment(segment_info[i].fix_root, i);
} }
#endif
file_cursor = FILHSZ + SCNHSZ * filehdr.f_nscns ; file_cursor = FILHSZ + SCNHSZ * filehdr.f_nscns ;

3
gas/config/obj-coffbfd.h
View File

@ -111,9 +111,10 @@ typedef struct
unsigned int ost_flags; /* obj_coff internal use only flags */ unsigned int ost_flags; /* obj_coff internal use only flags */
} obj_symbol_type; } obj_symbol_type;
#ifndef DO_NOT_STRIP
#define DO_NOT_STRIP 0 #define DO_NOT_STRIP 0
#define DO_STRIP 1 #define DO_STRIP 1
#endif
/* Symbol table macros and constants */ /* Symbol table macros and constants */
/* Possible and usefull section number in symbol table /* Possible and usefull section number in symbol table