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x64: Add LJ_GC64 mode interpreter.

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Enable this mode with: make XCFLAGS=-DLUAJIT_ENABLE_GC64
This commit is contained in:
Mike Pall
2015-05-04 06:30:57 +02:00
parent 5caf53d502
commit a92e730233
8 changed files with 4906 additions and 5 deletions
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7
src/lj_ccallback.c
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@@ -35,7 +35,7 @@
#elif LJ_TARGET_X86ORX64
#define CALLBACK_MCODE_HEAD (LJ_64 ? 8 : 0)
#define CALLBACK_MCODE_GROUP (-2+1+2+5+(LJ_64 ? 6 : 5))
#define CALLBACK_MCODE_GROUP (-2+1+2+(LJ_GC64 ? 10 : 5)+(LJ_64 ? 6 : 5))
#define CALLBACK_SLOT2OFS(slot) \
(CALLBACK_MCODE_HEAD + CALLBACK_MCODE_GROUP*((slot)/32) + 4*(slot))
@@ -120,8 +120,13 @@ static void callback_mcode_init(global_State *g, uint8_t *page)
/* push ebp/rbp; mov ah, slot>>8; mov ebp, &g. */
*p++ = XI_PUSH + RID_EBP;
*p++ = XI_MOVrib | (RID_EAX+4); *p++ = (uint8_t)(slot >> 8);
#if LJ_GC64
*p++ = 0x48; *p++ = XI_MOVri | RID_EBP;
*(uint64_t *)p = (uint64_t)(g); p += 8;
#else
*p++ = XI_MOVri | RID_EBP;
*(int32_t *)p = i32ptr(g); p += 4;
#endif
#if LJ_64
/* jmp [rip-pageofs] where lj_vm_ffi_callback is stored. */
*p++ = XI_GROUP5; *p++ = XM_OFS0 + (XOg_JMP<<3) + RID_EBP;