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Save/restore other crucial registers for safety

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This commit is contained in:
Aaron Culliney 2014-05-10 16:45:10 -07:00
parent 7fd9857102
commit 0c25ec25d6
1 changed files with 8 additions and 3 deletions
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11
src/asm386/glue-prologue.h
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@ -60,30 +60,35 @@ E(func) addl SN(pointer),%edi; \
// TODO FIXME : implement CDECL prologue/epilogues...
#define GLUE_C_WRITE(func) \
E(func) pushl %eax; \
pushl XY_Regs_32; \
pushl FF_Reg; \
pushl SP_Reg; \
pushl PC_Reg_E; \
andl $0xff,%eax; \
pushl %eax; \
pushl EffectiveAddr_E; \
call SN(c_##func); \
popl %edx; /* dummy */ \
popl %edx; /* dummy */ \
popl PC_Reg_E; \
popl SP_Reg; \
popl FF_Reg; \
popl XY_Regs_32; \
popl %eax; \
ret;
// TODO FIXME : implement CDECL prologue/epilogues...
#define GLUE_C_READ(func) \
E(func) /*pushl %eax;*/ \
E(func) pushl XY_Regs_32; \
pushl FF_Reg; \
pushl SP_Reg; \
pushl PC_Reg_E; \
pushl EffectiveAddr_E; \
call SN(c_##func); \
/*movb %al,12(%esp);*/ \
popl %edx; /* dummy */ \
popl PC_Reg_E; \
popl SP_Reg; \
popl FF_Reg; \
/*popl %eax;*/ \
popl XY_Regs_32; \
ret;