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Major redesign of function call handling.

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Drop call gates. Use function headers, dispatched like bytecodes.
Emit BC_FUNCF/BC_FUNCV bytecode at PC 0 for all Lua functions.
C functions and ASM fast functions get extra bytecodes.
Modify internal calling convention: new base in BASE (formerly in RA).
Can now use better C function wrapper semantics (dynamic on/off).
Prerequisite for call hooks with zero-overhead if disabled.
Prerequisite for compiling recursive calls.
Prerequisite for efficient 32/64 bit prototype guards.
This commit is contained in:
Mike Pall
2010-02-13 04:51:56 +01:00
parent 4f8d7be8ea
commit c93138b59e
34 changed files with 4410 additions and 4264 deletions
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5
src/lj_gdbjit.c
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@@ -705,10 +705,7 @@ void lj_gdbjit_addtrace(jit_State *J, Trace *T, TraceNo traceno)
ctx.szmcode = T->szmcode;
ctx.spadjp = CFRAME_SIZE + (MSize)(parent ? J->trace[parent]->spadjust : 0);
ctx.spadj = CFRAME_SIZE + T->spadjust;
if (startpc >= proto_bc(pt))
ctx.lineno = proto_line(pt,proto_bcpos(pt,startpc));
else
ctx.lineno = pt->linedefined;
ctx.lineno = proto_line(pt, proto_bcpos(pt, startpc));
ctx.filename = strdata(proto_chunkname(pt));
if (*ctx.filename == '@' || *ctx.filename == '=')
ctx.filename++;