DrSocalkwe3n/luajit
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

FFI: Add unwind definitions for lj_vm_ffi_call.

Browse Source 
Adds exception interoperability for C/C++ functions called via FFI
from the interpreter.
This commit is contained in:
Mike Pall
2011-11-11 22:10:31 +01:00
parent 0123e4fc89
commit 635371c212
12 changed files with 2522 additions and 1867 deletions
Download Patch File Download Diff File Expand all files Collapse all files

13
src/buildvm_asm.c
View File

@@ -202,6 +202,17 @@ void emit_asm(BuildCtx *ctx)
for (i = rel = 0; i < ctx->nsym; i++) {
int32_t ofs = ctx->sym[i].ofs;
int32_t next = ctx->sym[i+1].ofs;
#if LJ_TARGET_ARM && defined(__GNUC__) && !defined(LUAJIT_NO_UNWIND) && \
LJ_HASFFI
if (!strcmp(ctx->sym[i].name, "lj_vm_ffi_call"))
fprintf(ctx->fp,
".globl lj_err_unwind_arm\n"
".personality lj_err_unwind_arm\n"
".fnend\n"
".fnstart\n"
".save {r4, r5, r11, lr}\n"
".setfp r11, sp\n");
#endif
emit_asm_label(ctx, ctx->sym[i].name, next - ofs, 1);
while (rel < ctx->nreloc && ctx->reloc[rel].ofs <= next) {
BuildReloc *r = &ctx->reloc[rel];
@@ -229,8 +240,10 @@ void emit_asm(BuildCtx *ctx)
#if LJ_TARGET_ARM && defined(__GNUC__) && !defined(LUAJIT_NO_UNWIND)
fprintf(ctx->fp,
#if !LJ_HASFFI
".globl lj_err_unwind_arm\n"
".personality lj_err_unwind_arm\n"
#endif
".fnend\n");
#endif