diff options
Diffstat (limited to 'c/src/exec/score/cpu/unix/cpu.c')
| -rw-r--r-- | c/src/exec/score/cpu/unix/cpu.c | 22 |
1 files changed, 22 insertions, 0 deletions
diff --git a/c/src/exec/score/cpu/unix/cpu.c b/c/src/exec/score/cpu/unix/cpu.c index acd53e3fd2..a7e1b3bfce 100644 --- a/c/src/exec/score/cpu/unix/cpu.c +++ b/c/src/exec/score/cpu/unix/cpu.c @@ -391,6 +391,28 @@ void _CPU_Context_Initialize( *(addr + RP_OFF) = jmp_addr + ADDR_ADJ_OFFSET; *(addr + SP_OFF) = (unsigned32)(_stack_high - CPU_FRAME_SIZE); *(addr + FP_OFF) = (unsigned32)(_stack_high); + +#elif defined(i386) + + /* + * This information was gathered by disassembling setjmp(). + */ + + stack_ptr = _stack_high - CPU_FRAME_SIZE; + *(addr + EBX_OFF) = 0xFEEDFEED; + *(addr + ESI_OFF) = 0xDEADDEAD; + *(addr + EDI_OFF) = 0xDEAFDEAF; + *(addr + EBP_OFF) = stack_ptr; + *(addr + ESP_OFF) = stack_ptr; + *(addr + RET_OFF) = jmp_addr; + + + addr = (unsigned32 *) stack_ptr; + + addr[ 0 ] = jmp_addr; + addr[ 1 ] = (unsigned32) stack_ptr; + addr[ 2 ] = (unsigned32) stack_ptr; + #else #error "UNKNOWN CPU!!!" #endif |