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make makt.S pic friendly. The ELF abi is bent slightly as ebx was already used

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and I didn't feel like subbing it for something else, so esi is the GOT access
register.
This commit is contained in:
Bill Currie 2001-03-29 09:10:35 +00:00
parent 277c17cfd8
commit 95d116eac0
1 changed files with 30 additions and 1 deletions
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31
libs/util/math.S
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@ -45,15 +45,31 @@ Ljmptab: .long Lcase0, Lcase1, Lcase2, Lcase3
.extern C(BOPS_Error)
#ifdef PIC
#define EMINS 8+4
#define EMAXS 8+8
#define P 8+12
#else
#define EMINS 4+4
#define EMAXS 4+8
#define P 4+12
#endif
.align 2
.globl C(BoxOnPlaneSide)
#ifdef PIC
.type C(BoxOnPlaneSide),@function
#endif
C(BoxOnPlaneSide):
pushl %ebx
#ifdef PIC
pushl %esi
call .Lpic
.Lpic:
popl %esi
addl $_GLOBAL_OFFSET_TABLE_+[.-.Lpic],%esi
#endif
movl P(%esp),%edx
movl EMINS(%esp),%ecx
@ -64,7 +80,11 @@ C(BoxOnPlaneSide):
jge Lerror
flds pl_normal(%edx) // p->normal[0]
fld %st(0) // p->normal[0] | p->normal[0]
#ifdef PIC
jmp *Ljmptab@GOTOFF(%esi,%eax,4)
#else
jmp *Ljmptab(,%eax,4)
#endif
//dist1= p->normal[0]*emaxs[0] + p->normal[1]*emaxs[1] + p->normal[2]*emaxs[2];
@ -348,6 +368,9 @@ LSetSides:
// return sides;
#ifdef PIC
popl %esi
#endif
popl %ebx
movl %ecx,%eax // return status
@ -355,6 +378,12 @@ LSetSides:
Lerror:
#ifdef PIC
call C(BOPS_Error)@PLT
.Lfe1:
.size C(BoxOnPlaneSide),.Lfe1-C(BoxOnPlaneSide)
#else
call C(BOPS_Error)
#endif
#endif // USE_INTEL_ASM