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coff: Implement sectalign handler

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Signed-off-by: Cyrill Gorcunov <gorcunov@gmail.com>
This commit is contained in:
Cyrill Gorcunov 2010-04-21 15:45:09 +04:00
parent 2ef5c27be7
commit f8dc028c07
1 changed files with 31 additions and 3 deletions
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34
output/outcoff.c
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@ -971,6 +971,34 @@ static void coff_write_symbols(void)
}
}
static void coff_sectalign(int32_t seg, unsigned int value)
{
struct Section *s = NULL;
uint32_t align;
int i;
for (i = 0; i < nsects; i++) {
if (sects[i]->index == seg) {
s = sects[i];
break;
}
}
if (!s || !is_power2(value) || value > 64)
return;
align = (s->flags & 0x00F00000L);
value = (value == 1 ? 0x00100000L :
value == 2 ? 0x00200000L :
value == 4 ? 0x00300000L :
value == 8 ? 0x00400000L :
value == 16 ? 0x00500000L :
value == 32 ? 0x00600000L : 0x00700000L);
if (value > align)
s->flags = (s->flags & ~0x00F00000L) | value;
}
static int32_t coff_segbase(int32_t segment)
{
return segment;
@ -1012,7 +1040,7 @@ struct ofmt of_coff = {
coff_out,
coff_deflabel,
coff_section_names,
null_sectalign,
coff_sectalign,
coff_segbase,
coff_directives,
coff_std_filename,
@ -1035,7 +1063,7 @@ struct ofmt of_win32 = {
coff_out,
coff_deflabel,
coff_section_names,
null_sectalign,
coff_sectalign,
coff_segbase,
coff_directives,
coff_win32_filename,
@ -1058,7 +1086,7 @@ struct ofmt of_win64 = {
coff_out,
coff_deflabel,
coff_section_names,
null_sectalign,
coff_sectalign,
coff_segbase,
coff_directives,
coff_win32_filename,