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FFI: Auto-detect __stdcall and fix up C function declarations.

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This commit is contained in:
Mike Pall 2011-01-10 20:50:34 +01:00
parent ddf6596333
commit 87a6c8a980
7 changed files with 1281 additions and 1244 deletions
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3
src/Makefile.dep
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@ -58,7 +58,8 @@ lj_bc.o: lj_bc.c lj_obj.h lua.h luaconf.h lj_def.h lj_arch.h lj_bc.h \
lj_bcdef.h
lj_ccall.o: lj_ccall.c lj_obj.h lua.h luaconf.h lj_def.h lj_arch.h \
lj_gc.h lj_err.h lj_errmsg.h lj_str.h lj_ctype.h lj_cconv.h lj_cdata.h \
lj_ccall.h
lj_ccall.h lj_trace.h lj_jit.h lj_ir.h lj_dispatch.h lj_bc.h \
lj_traceerr.h
lj_cconv.o: lj_cconv.c lj_obj.h lua.h luaconf.h lj_def.h lj_arch.h \
lj_err.h lj_errmsg.h lj_tab.h lj_ctype.h lj_gc.h lj_cdata.h lj_cconv.h
lj_cdata.o: lj_cdata.c lj_obj.h lua.h luaconf.h lj_def.h lj_arch.h \

644
src/buildvm_x64.h
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File diff suppressed because it is too large Load Diff

1014
src/buildvm_x64win.h
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File diff suppressed because it is too large Load Diff

6
src/buildvm_x86.dasc
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@ -3428,6 +3428,9 @@ static void build_subroutines(BuildCtx *ctx, int cmov, int sse)
| sub rsp, rax
|.else
| sub esp, CCSTATE->spadj
#if LJ_TARGET_WINDOWS
| mov CCSTATE->spadj, esp
#endif
|.endif
|
| // Copy stack slots.
@ -3494,6 +3497,9 @@ static void build_subroutines(BuildCtx *ctx, int cmov, int sse)
|6:
| fstp dword CCSTATE->fpr[0].f[0]
|7:
#if LJ_TARGET_WINDOWS
| sub CCSTATE->spadj, esp
#endif
|.endif
|
|.if X64

847
src/buildvm_x86.h
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File diff suppressed because it is too large Load Diff

10
src/lj_ccall.c
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@ -14,6 +14,7 @@
#include "lj_cconv.h"
#include "lj_cdata.h"
#include "lj_ccall.h"
#include "lj_trace.h"
/* Target-specific handling of register arguments. */
#if LJ_TARGET_X86
@ -127,7 +128,7 @@ static int ccall_set_args(lua_State *L, CTState *cts, CType *ct,
#if LJ_TARGET_X86
/* x86 has several different calling conventions. */
cc->resx87 = 0;
switch ((ct->info >> CTSHIFT_CCONV) & CTMASK_CCONV) {
switch (ctype_cconv(ct->info)) {
case CTCC_FASTCALL: maxgpr = 2; break;
case CTCC_THISCALL: maxgpr = 1; break;
default: maxgpr = 0; break;
@ -352,6 +353,13 @@ int lj_ccall_func(lua_State *L, GCcdata *cd)
gcsteps = ccall_set_args(L, cts, ct, &cc);
lj_vm_ffi_call(&cc);
gcsteps += ccall_get_results(L, cts, ct, &cc, &ret);
#if LJ_TARGET_X86 && LJ_ABI_WIN
/* Automatically detect __stdcall and fix up C function declaration. */
if (cc.spadj && ctype_cconv(ct->info) == CTCC_CDECL) {
CTF_INSERT(ct->info, CCONV, CTCC_STDCALL);
lj_trace_abort(G(L));
}
#endif
while (gcsteps-- > 0)
lj_gc_check(L);
return ret;

1
src/lj_ctype.h
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@ -173,6 +173,7 @@ typedef struct CTState {
#define ctype_bitcsz(info) (((info) >> CTSHIFT_BITCSZ) & CTMASK_BITCSZ)
#define ctype_vsizeP(info) (((info) >> CTSHIFT_VSIZEP) & CTMASK_VSIZEP)
#define ctype_msizeP(info) (((info) >> CTSHIFT_MSIZEP) & CTMASK_MSIZEP)
#define ctype_cconv(info) (((info) >> CTSHIFT_CCONV) & CTMASK_CCONV)
/* Simple type checks. */
#define ctype_isnum(info) (ctype_type((info)) == CT_NUM)