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A new try to fix the SIGSEGV

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This commit is contained in:
Jaroslav Kysela 2004-03-12 19:08:27 +00:00
parent 14b37bcd85
commit be1c1d0a96
1 changed files with 21 additions and 9 deletions
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30
src/pcm/pcm_dmix_i386.h
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@ -34,6 +34,8 @@ static void MIX_AREAS1(unsigned int size,
volatile signed int *sum, size_t dst_step, volatile signed int *sum, size_t dst_step,
size_t src_step, size_t sum_step) size_t src_step, size_t sum_step)
{ {
unsigned int old_ebx;
/* /*
* ESI - src * ESI - src
* EDI - dst * EDI - dst
@ -45,7 +47,7 @@ static void MIX_AREAS1(unsigned int size,
__asm__ __volatile__ ( __asm__ __volatile__ (
"\n" "\n"
"\tpush %%ebx\n" /* ebx is GOT pointer (-fPIC) */ "\tmovl %%ebx, %7\n" /* ebx is GOT pointer (-fPIC) */
/* /*
* initialization, load ESI, EDI, EBX registers * initialization, load ESI, EDI, EBX registers
*/ */
@ -138,10 +140,12 @@ static void MIX_AREAS1(unsigned int size,
"\tjnz 1b\n" "\tjnz 1b\n"
"7:" "7:"
"\tpop %%ebx\n" /* ebx is GOT pointer (-fPIC) */ "\tmovl %7, %%ebx\n" /* ebx is GOT pointer (-fPIC) */
: /* no output regs */ : /* no output regs */
: "m" (size), "m" (dst), "m" (src), "m" (sum), "m" (dst_step), "m" (src_step), "m" (sum_step) : "m" (size), "m" (dst), "m" (src),
"m" (sum), "m" (dst_step), "m" (src_step),
"m" (sum_step), "m" (old_ebx)
: "esi", "edi", "edx", "ecx", "eax" : "esi", "edi", "edx", "ecx", "eax"
); );
} }
@ -154,6 +158,8 @@ static void MIX_AREAS1_MMX(unsigned int size,
volatile signed int *sum, size_t dst_step, volatile signed int *sum, size_t dst_step,
size_t src_step, size_t sum_step) size_t src_step, size_t sum_step)
{ {
unsigned int old_ebx;
/* /*
* ESI - src * ESI - src
* EDI - dst * EDI - dst
@ -165,7 +171,7 @@ static void MIX_AREAS1_MMX(unsigned int size,
__asm__ __volatile__ ( __asm__ __volatile__ (
"\n" "\n"
"\tpush %%ebx\n" /* ebx is GOT pointer (-fPIC) */ "\tmovl %%ebx, %7\n" /* ebx is GOT pointer (-fPIC) */
/* /*
* initialization, load ESI, EDI, EBX registers * initialization, load ESI, EDI, EBX registers
*/ */
@ -224,10 +230,12 @@ static void MIX_AREAS1_MMX(unsigned int size,
"\tjnz 1b\n" "\tjnz 1b\n"
"\temms\n" "\temms\n"
"5:" "5:"
"\tpop %%ebx\n" /* ebx is GOT pointer (-fPIC) */ "\tmovl %7, %%ebx\n" /* ebx is GOT pointer (-fPIC) */
: /* no output regs */ : /* no output regs */
: "m" (size), "m" (dst), "m" (src), "m" (sum), "m" (dst_step), "m" (src_step), "m" (sum_step) : "m" (size), "m" (dst), "m" (src),
"m" (sum), "m" (dst_step), "m" (src_step),
"m" (sum_step), "m" (old_ebx)
: "esi", "edi", "edx", "ecx", "eax" : "esi", "edi", "edx", "ecx", "eax"
); );
} }
@ -240,6 +248,8 @@ static void MIX_AREAS2(unsigned int size,
volatile signed int *sum, size_t dst_step, volatile signed int *sum, size_t dst_step,
size_t src_step, size_t sum_step) size_t src_step, size_t sum_step)
{ {
unsigned int old_ebx;
/* /*
* ESI - src * ESI - src
* EDI - dst * EDI - dst
@ -251,7 +261,7 @@ static void MIX_AREAS2(unsigned int size,
__asm__ __volatile__ ( __asm__ __volatile__ (
"\n" "\n"
"\tpush %%ebx\n" /* ebx is GOT pointer (-fPIC) */ "\tmovl %%ebx, %7\n" /* ebx is GOT pointer (-fPIC) */
/* /*
* initialization, load ESI, EDI, EBX registers * initialization, load ESI, EDI, EBX registers
*/ */
@ -333,10 +343,12 @@ static void MIX_AREAS2(unsigned int size,
"\tjmp 1b\n" "\tjmp 1b\n"
"6:" "6:"
"\tpop %%ebx\n" /* ebx is GOT pointer (-fPIC) */ "\tmovl %7, %%ebx\n" /* ebx is GOT pointer (-fPIC) */
: /* no output regs */ : /* no output regs */
: "m" (size), "m" (dst), "m" (src), "m" (sum), "m" (dst_step), "m" (src_step), "m" (sum_step) : "m" (size), "m" (dst), "m" (src),
"m" (sum), "m" (dst_step), "m" (src_step),
"m" (sum_step), "m" (old_ebx)
: "esi", "edi", "edx", "ecx", "eax" : "esi", "edi", "edx", "ecx", "eax"
); );
} }