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Add frame info for x64 GDB JIT API.

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This commit is contained in:
Mike Pall 2010-02-28 17:52:11 +01:00
parent 2144d55eb8
commit 956065fd04
2 changed files with 12 additions and 3 deletions
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3
src/lj_frame.h
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@ -66,6 +66,7 @@ enum {
#define CFRAME_OFS_PC (6*4)
#define CFRAME_OFS_MULTRES (5*4)
#define CFRAME_SIZE (12*4)
#define CFRAME_SIZE_JIT CFRAME_SIZE
#elif LJ_TARGET_X64
#if _WIN64
#define CFRAME_OFS_PREV (13*8)
@ -75,6 +76,7 @@ enum {
#define CFRAME_OFS_NRES (22*4)
#define CFRAME_OFS_MULTRES (21*4)
#define CFRAME_SIZE (10*8)
#define CFRAME_SIZE_JIT (CFRAME_SIZE + 9*16 + 4*8)
#else
#define CFRAME_OFS_PREV (4*8)
#define CFRAME_OFS_PC (7*4)
@ -83,6 +85,7 @@ enum {
#define CFRAME_OFS_NRES (4*4)
#define CFRAME_OFS_MULTRES (1*4)
#define CFRAME_SIZE (10*8)
#define CFRAME_SIZE_JIT (CFRAME_SIZE + 16)
#endif
#else
#error "Missing CFRAME_* definitions for this architecture"

12
src/lj_gdbjit.c
View File

@ -528,7 +528,13 @@ static void LJ_FASTCALL gdbjit_ehframe(GDBJITctx *ctx)
DB(DW_CFA_offset|DW_REG_SI); DUV(4);
DB(DW_CFA_offset|DW_REG_BX); DUV(5);
#elif LJ_TARGET_X64
/* Add saved registers for x64 CFRAME. */
DB(DW_CFA_offset|DW_REG_BP); DUV(2);
DB(DW_CFA_offset|DW_REG_BX); DUV(3);
DB(DW_CFA_offset|DW_REG_15); DUV(4);
DB(DW_CFA_offset|DW_REG_14); DUV(5);
/* Extra registers saved for JIT-compiled code. */
DB(DW_CFA_offset|DW_REG_13); DUV(9);
DB(DW_CFA_offset|DW_REG_12); DUV(10);
#else
#error "Unsupported target architecture"
#endif
@ -703,8 +709,8 @@ void lj_gdbjit_addtrace(jit_State *J, Trace *T, TraceNo traceno)
ctx.T = T;
ctx.mcaddr = (uintptr_t)T->mcode;
ctx.szmcode = T->szmcode;
ctx.spadjp = CFRAME_SIZE + (MSize)(parent ? J->trace[parent]->spadjust : 0);
ctx.spadj = CFRAME_SIZE + T->spadjust;
ctx.spadjp = CFRAME_SIZE_JIT + (MSize)(parent?J->trace[parent]->spadjust:0);
ctx.spadj = CFRAME_SIZE_JIT + T->spadjust;
ctx.lineno = proto_line(pt, proto_bcpos(pt, startpc));
ctx.filename = strdata(proto_chunkname(pt));
if (*ctx.filename == '@' || *ctx.filename == '=')