diff options
Diffstat (limited to 'sysdeps/powerpc/powerpc64/sysdep.h')
| -rw-r--r-- | sysdeps/powerpc/powerpc64/sysdep.h | 31 |
1 files changed, 29 insertions, 2 deletions
diff --git a/sysdeps/powerpc/powerpc64/sysdep.h b/sysdeps/powerpc/powerpc64/sysdep.h index 57fa8ba78f..cc89b3ce80 100644 --- a/sysdeps/powerpc/powerpc64/sysdep.h +++ b/sysdeps/powerpc/powerpc64/sysdep.h @@ -74,6 +74,14 @@ #endif .endm +/* Macro to prepare for calling via a function pointer. */ + .macro PPC64_LOAD_FUNCPTR PTR + ld r12,0(\PTR) + ld r2,8(\PTR) + mtctr r12 + ld r11,16(\PTR) + .endm + #ifdef USE_PPC64_OVERLAPPING_OPD # define OPD_ENT(name) .quad BODY_LABEL (name), .TOC.@tocbase #else @@ -81,7 +89,6 @@ #endif #define ENTRY_1(name) \ - .section ".text"; \ .type BODY_LABEL(name),@function; \ .globl name; \ .section ".opd","aw"; \ @@ -110,6 +117,7 @@ name##: OPD_ENT (name); \ #endif #define ENTRY(name) \ + .section ".text"; \ ENTRY_2(name) \ .align ALIGNARG(2); \ BODY_LABEL(name): \ @@ -127,6 +135,7 @@ BODY_LABEL(name): \ /* EALIGN is like ENTRY, but does alignment to 'words'*4 bytes past a 2^alignt boundary. */ #define EALIGN(name, alignt, words) \ + .section ".text"; \ ENTRY_2(name) \ .align ALIGNARG(alignt); \ EALIGN_W_##words; \ @@ -286,24 +295,42 @@ LT_LABELSUFFIX(name,_name_end): ; \ #else /* !__ASSEMBLER__ */ +#define PPC64_LOAD_FUNCPTR(ptr) \ + "ld 12,0(" #ptr ");\n" \ + "ld 2,8(" #ptr ");\n" \ + "mtctr 12;\n" \ + "ld 11,16(" #ptr ");" + #ifdef USE_PPC64_OVERLAPPING_OPD # define OPD_ENT(name) ".quad " BODY_PREFIX #name ", .TOC.@tocbase;" #else # define OPD_ENT(name) ".quad " BODY_PREFIX #name ", .TOC.@tocbase, 0;" #endif +#define ENTRY_1(name) \ + ".type " BODY_PREFIX #name ",@function;\n" \ + ".globl " #name ";\n" \ + ".pushsection \".opd\",\"aw\";\n" \ + ".align 3;\n" \ +#name ":\n" \ + OPD_ENT (name) "\n" \ + ".popsection;" + #ifdef HAVE_ASM_GLOBAL_DOT_NAME # define DOT_PREFIX "." # define BODY_PREFIX "." # define ENTRY_2(name) \ ".globl " BODY_PREFIX #name ";\n" \ + ENTRY_1(name) "\n" \ ".size " #name ", 24;" # define END_2(name) \ ".size " BODY_PREFIX #name ",.-" BODY_PREFIX #name ";" #else # define DOT_PREFIX "" # define BODY_PREFIX ".LY" -# define ENTRY_2(name) ".type " #name ",@function;" +# define ENTRY_2(name) \ + ".type " #name ",@function;\n" \ + ENTRY_1(name) # define END_2(name) \ ".size " #name ",.-" BODY_PREFIX #name ";\n" \ ".size " BODY_PREFIX #name ",.-" BODY_PREFIX #name ";" |