aboutsummaryrefslogtreecommitdiff
diff options
context:
space:
mode:
authorAnton Blanchard <anton@samba.org>2014-02-04 16:07:20 +1100
committerAnton Blanchard <anton@samba.org>2014-04-23 10:05:20 +1000
commit7167af7cebedc7c2051184fef0e165aeb67d0b9d (patch)
tree27ce4c3220e6e21c8b323a95d1b45a3d8f25159a
parentc1fb019477c27bfe309be282d178a08e56f05249 (diff)
powerpc: Remove function descriptors and dot symbols on new ABI
ABIv2 doesn't have function descriptors or dot symbols. One new thing it does add is a function global and a local entry point, so add that to our _GLOBAL macro. Signed-off-by: Anton Blanchard <anton@samba.org>
-rw-r--r--arch/powerpc/include/asm/ftrace.h2
-rw-r--r--arch/powerpc/include/asm/linkage.h2
-rw-r--r--arch/powerpc/include/asm/ppc_asm.h22
3 files changed, 26 insertions, 0 deletions
diff --git a/arch/powerpc/include/asm/ftrace.h b/arch/powerpc/include/asm/ftrace.h
index 169d039ed402..e3661872fbea 100644
--- a/arch/powerpc/include/asm/ftrace.h
+++ b/arch/powerpc/include/asm/ftrace.h
@@ -61,6 +61,7 @@ struct dyn_arch_ftrace {
#endif
#if defined(CONFIG_FTRACE_SYSCALLS) && defined(CONFIG_PPC64) && !defined(__ASSEMBLY__)
+#if !defined(_CALL_ELF) || _CALL_ELF != 2
#define ARCH_HAS_SYSCALL_MATCH_SYM_NAME
static inline bool arch_syscall_match_sym_name(const char *sym, const char *name)
{
@@ -72,6 +73,7 @@ static inline bool arch_syscall_match_sym_name(const char *sym, const char *name
*/
return !strcmp(sym + 4, name + 3);
}
+#endif
#endif /* CONFIG_FTRACE_SYSCALLS && CONFIG_PPC64 && !__ASSEMBLY__ */
#endif /* _ASM_POWERPC_FTRACE */
diff --git a/arch/powerpc/include/asm/linkage.h b/arch/powerpc/include/asm/linkage.h
index b36f650a13ff..e3ad5c72724a 100644
--- a/arch/powerpc/include/asm/linkage.h
+++ b/arch/powerpc/include/asm/linkage.h
@@ -2,6 +2,7 @@
#define _ASM_POWERPC_LINKAGE_H
#ifdef CONFIG_PPC64
+#if !defined(_CALL_ELF) || _CALL_ELF != 2
#define cond_syscall(x) \
asm ("\t.weak " #x "\n\t.set " #x ", sys_ni_syscall\n" \
"\t.weak ." #x "\n\t.set ." #x ", .sys_ni_syscall\n")
@@ -9,5 +10,6 @@
asm ("\t.globl " #alias "\n\t.set " #alias ", " #name "\n" \
"\t.globl ." #alias "\n\t.set ." #alias ", ." #name)
#endif
+#endif
#endif /* _ASM_POWERPC_LINKAGE_H */
diff --git a/arch/powerpc/include/asm/ppc_asm.h b/arch/powerpc/include/asm/ppc_asm.h
index 61992d8f99df..5394d41a7140 100644
--- a/arch/powerpc/include/asm/ppc_asm.h
+++ b/arch/powerpc/include/asm/ppc_asm.h
@@ -192,6 +192,26 @@ END_FW_FTR_SECTION_IFSET(FW_FEATURE_SPLPAR)
#define __STK_PARAM(i) (48 + ((i)-3)*8)
#define STK_PARAM(i) __STK_PARAM(__REG_##i)
+#if defined(_CALL_ELF) && _CALL_ELF == 2
+
+#define _GLOBAL(name) \
+ .section ".text"; \
+ .align 2 ; \
+ .type name,@function; \
+ .globl name; \
+name:
+
+#define _KPROBE(name) \
+ .section ".kprobes.text","a"; \
+ .align 2 ; \
+ .type name,@function; \
+ .globl name; \
+name:
+
+#define DOTSYM(a) a
+
+#else
+
#define XGLUE(a,b) a##b
#define GLUE(a,b) XGLUE(a,b)
@@ -225,6 +245,8 @@ GLUE(.,name):
#define DOTSYM(a) GLUE(.,a)
+#endif
+
#else /* 32-bit */
#define _ENTRY(n) \