diff options
Diffstat (limited to 'erts/emulator/hipe/hipe_ppc_asm.m4')
| -rw-r--r-- | erts/emulator/hipe/hipe_ppc_asm.m4 | 16 |
1 files changed, 16 insertions, 0 deletions
diff --git a/erts/emulator/hipe/hipe_ppc_asm.m4 b/erts/emulator/hipe/hipe_ppc_asm.m4 index 3264c78df5..0eb5c441e6 100644 --- a/erts/emulator/hipe/hipe_ppc_asm.m4 +++ b/erts/emulator/hipe/hipe_ppc_asm.m4 @@ -62,15 +62,31 @@ ifelse(OPSYS,darwin,`` #define SEMI @ #define SET_SIZE(NAME) /*empty*/ #define TYPE_FUNCTION(NAME) /*empty*/ +#define OPD(NAME) /*empty*/ '',`` /* Not Darwin */'' `ifelse(ARCH,ppc64,`` /* 64-bit */ +/* + * The 64-bit PowerPC ABI requires us to setup Official Procedure Descriptors + * for functions called from C. These are exported as "func", while the entry + * point should is exported as ".func". A function pointer in C points to the + * function descriptor in the opd rather than to the function entry point. + */ #define JOIN(X,Y) X##Y #define CSYM(NAME) JOIN(.,NAME) +#define OPD(NAME) \ + .pushsection .opd, "aw"; \ + .align 3; \ + .global NAME; \ +NAME: \ + .quad CSYM(NAME), .TOC.@tocbase, 0; \ + .type NAME, @function; \ + .popsection '',`` /* 32-bit */ #define CSYM(NAME) NAME +#define OPD(NAME) /*empty*/ '')' ``#define ASYM(NAME) NAME #define GLOBAL(NAME) .global NAME |