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x86/x64: Call external symbols directly from interpreter code.

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Except for ELF/x86 PIC, where it's easier to use wrappers.
This commit is contained in:
Mike Pall
2014-12-08 01:58:05 +01:00
parent f49c61a277
commit e03df1e339
7 changed files with 43 additions and 18 deletions
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14
src/lj_vmmath.c
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@@ -13,15 +13,17 @@
#include "lj_ir.h"
#include "lj_vm.h"
/* -- Helper functions for generated machine code ------------------------- */
/* -- Wrapper functions --------------------------------------------------- */
#if LJ_TARGET_X86ORX64
/* Wrapper functions to avoid linker issues on OSX. */
LJ_FUNCA double lj_vm_sinh(double x) { return sinh(x); }
LJ_FUNCA double lj_vm_cosh(double x) { return cosh(x); }
LJ_FUNCA double lj_vm_tanh(double x) { return tanh(x); }
#if LJ_TARGET_X86 && __ELF__ && __PIC__
/* Wrapper functions to deal with the ELF/x86 PIC disaster. */
LJ_FUNCA double lj_wrap_sinh(double x) { return sinh(x); }
LJ_FUNCA double lj_wrap_cosh(double x) { return cosh(x); }
LJ_FUNCA double lj_wrap_tanh(double x) { return tanh(x); }
#endif
/* -- Helper functions for generated machine code ------------------------- */
#if !LJ_TARGET_X86ORX64
double lj_vm_foldarith(double x, double y, int op)
{