diff options
Diffstat (limited to 'arch/powerpc/include')
-rw-r--r-- | arch/powerpc/include/asm/code-patching.h | 10 | ||||
-rw-r--r-- | arch/powerpc/include/asm/ftrace.h | 8 | ||||
-rw-r--r-- | arch/powerpc/include/asm/kprobes.h | 8 | ||||
-rw-r--r-- | arch/powerpc/include/asm/linkage.h | 6 | ||||
-rw-r--r-- | arch/powerpc/include/asm/ppc_asm.h | 4 | ||||
-rw-r--r-- | arch/powerpc/include/asm/ptrace.h | 2 | ||||
-rw-r--r-- | arch/powerpc/include/asm/sections.h | 4 | ||||
-rw-r--r-- | arch/powerpc/include/asm/types.h | 8 |
8 files changed, 28 insertions, 22 deletions
diff --git a/arch/powerpc/include/asm/code-patching.h b/arch/powerpc/include/asm/code-patching.h index 994c60a857ce..2015b072422c 100644 --- a/arch/powerpc/include/asm/code-patching.h +++ b/arch/powerpc/include/asm/code-patching.h @@ -49,8 +49,7 @@ void __patch_exception(int exc, unsigned long addr); static inline unsigned long ppc_function_entry(void *func) { -#if defined(CONFIG_PPC64) -#if defined(_CALL_ELF) && _CALL_ELF == 2 +#ifdef PPC64_ELF_ABI_v2 u32 *insn = func; /* @@ -75,14 +74,13 @@ static inline unsigned long ppc_function_entry(void *func) return (unsigned long)(insn + 2); else return (unsigned long)func; -#else +#elif defined(PPC64_ELF_ABI_v1) /* * On PPC64 ABIv1 the function pointer actually points to the * function's descriptor. The first entry in the descriptor is the * address of the function text. */ return ((func_descr_t *)func)->entry; -#endif #else return (unsigned long)func; #endif @@ -90,7 +88,7 @@ static inline unsigned long ppc_function_entry(void *func) static inline unsigned long ppc_global_function_entry(void *func) { -#if defined(CONFIG_PPC64) && defined(_CALL_ELF) && _CALL_ELF == 2 +#ifdef PPC64_ELF_ABI_v2 /* PPC64 ABIv2 the global entry point is at the address */ return (unsigned long)func; #else @@ -106,7 +104,7 @@ static inline unsigned long ppc_global_function_entry(void *func) */ /* This must match the definition of STK_GOT in <asm/ppc_asm.h> */ -#if defined(_CALL_ELF) && _CALL_ELF == 2 +#ifdef PPC64_ELF_ABI_v2 #define R2_STACK_OFFSET 24 #else #define R2_STACK_OFFSET 40 diff --git a/arch/powerpc/include/asm/ftrace.h b/arch/powerpc/include/asm/ftrace.h index 50ca7585abe2..686c5f70eb84 100644 --- a/arch/powerpc/include/asm/ftrace.h +++ b/arch/powerpc/include/asm/ftrace.h @@ -1,6 +1,8 @@ #ifndef _ASM_POWERPC_FTRACE #define _ASM_POWERPC_FTRACE +#include <asm/types.h> + #ifdef CONFIG_FUNCTION_TRACER #define MCOUNT_ADDR ((unsigned long)(_mcount)) #define MCOUNT_INSN_SIZE 4 /* sizeof mcount call */ @@ -65,8 +67,8 @@ struct dyn_arch_ftrace { #endif #endif -#if defined(CONFIG_FTRACE_SYSCALLS) && defined(CONFIG_PPC64) && !defined(__ASSEMBLY__) -#if !defined(_CALL_ELF) || _CALL_ELF != 2 +#if defined(CONFIG_FTRACE_SYSCALLS) && !defined(__ASSEMBLY__) +#ifdef PPC64_ELF_ABI_v1 #define ARCH_HAS_SYSCALL_MATCH_SYM_NAME static inline bool arch_syscall_match_sym_name(const char *sym, const char *name) { @@ -79,6 +81,6 @@ 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 /* CONFIG_FTRACE_SYSCALLS && !__ASSEMBLY__ */ #endif /* _ASM_POWERPC_FTRACE */ diff --git a/arch/powerpc/include/asm/kprobes.h b/arch/powerpc/include/asm/kprobes.h index 039b583db029..2c9759bdb63b 100644 --- a/arch/powerpc/include/asm/kprobes.h +++ b/arch/powerpc/include/asm/kprobes.h @@ -40,8 +40,7 @@ struct kprobe; typedef ppc_opcode_t kprobe_opcode_t; #define MAX_INSN_SIZE 1 -#ifdef CONFIG_PPC64 -#if defined(_CALL_ELF) && _CALL_ELF == 2 +#ifdef PPC64_ELF_ABI_v2 /* PPC64 ABIv2 needs local entry point */ #define kprobe_lookup_name(name, addr) \ { \ @@ -49,7 +48,7 @@ typedef ppc_opcode_t kprobe_opcode_t; if (addr) \ addr = (kprobe_opcode_t *)ppc_function_entry(addr); \ } -#else +#elif defined(PPC64_ELF_ABI_v1) /* * 64bit powerpc ABIv1 uses function descriptors: * - Check for the dot variant of the symbol first. @@ -92,8 +91,7 @@ typedef ppc_opcode_t kprobe_opcode_t; addr = (kprobe_opcode_t *)kallsyms_lookup_name(name); \ } \ } -#endif /* defined(_CALL_ELF) && _CALL_ELF == 2 */ -#endif /* CONFIG_PPC64 */ +#endif #define flush_insn_slot(p) do { } while (0) #define kretprobe_blacklist_size 0 diff --git a/arch/powerpc/include/asm/linkage.h b/arch/powerpc/include/asm/linkage.h index e3ad5c72724a..0cf5e21179fc 100644 --- a/arch/powerpc/include/asm/linkage.h +++ b/arch/powerpc/include/asm/linkage.h @@ -1,8 +1,9 @@ #ifndef _ASM_POWERPC_LINKAGE_H #define _ASM_POWERPC_LINKAGE_H -#ifdef CONFIG_PPC64 -#if !defined(_CALL_ELF) || _CALL_ELF != 2 +#include <asm/types.h> + +#ifdef PPC64_ELF_ABI_v1 #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") @@ -10,6 +11,5 @@ 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 2b31632376a5..7b591f98edcc 100644 --- a/arch/powerpc/include/asm/ppc_asm.h +++ b/arch/powerpc/include/asm/ppc_asm.h @@ -189,7 +189,7 @@ END_FW_FTR_SECTION_IFSET(FW_FEATURE_SPLPAR) #define __STK_REG(i) (112 + ((i)-14)*8) #define STK_REG(i) __STK_REG(__REG_##i) -#if defined(_CALL_ELF) && _CALL_ELF == 2 +#ifdef PPC64_ELF_ABI_v2 #define STK_GOT 24 #define __STK_PARAM(i) (32 + ((i)-3)*8) #else @@ -198,7 +198,7 @@ END_FW_FTR_SECTION_IFSET(FW_FEATURE_SPLPAR) #endif #define STK_PARAM(i) __STK_PARAM(__REG_##i) -#if defined(_CALL_ELF) && _CALL_ELF == 2 +#ifdef PPC64_ELF_ABI_v2 #define _GLOBAL(name) \ .section ".text"; \ diff --git a/arch/powerpc/include/asm/ptrace.h b/arch/powerpc/include/asm/ptrace.h index c0c61fa9cd9e..e4923686e43a 100644 --- a/arch/powerpc/include/asm/ptrace.h +++ b/arch/powerpc/include/asm/ptrace.h @@ -47,7 +47,7 @@ STACK_FRAME_OVERHEAD + KERNEL_REDZONE_SIZE) #define STACK_FRAME_MARKER 12 -#if defined(_CALL_ELF) && _CALL_ELF == 2 +#ifdef PPC64_ELF_ABI_v2 #define STACK_FRAME_MIN_SIZE 32 #else #define STACK_FRAME_MIN_SIZE STACK_FRAME_OVERHEAD diff --git a/arch/powerpc/include/asm/sections.h b/arch/powerpc/include/asm/sections.h index abf5866e08c6..7dc006b58369 100644 --- a/arch/powerpc/include/asm/sections.h +++ b/arch/powerpc/include/asm/sections.h @@ -62,7 +62,7 @@ static inline int overlaps_kvm_tmp(unsigned long start, unsigned long end) #endif } -#if !defined(_CALL_ELF) || _CALL_ELF != 2 +#ifdef PPC64_ELF_ABI_v1 #undef dereference_function_descriptor static inline void *dereference_function_descriptor(void *ptr) { @@ -73,7 +73,7 @@ static inline void *dereference_function_descriptor(void *ptr) ptr = p; return ptr; } -#endif +#endif /* PPC64_ELF_ABI_v1 */ #endif diff --git a/arch/powerpc/include/asm/types.h b/arch/powerpc/include/asm/types.h index bfb6ded38ffa..49a0678a53fa 100644 --- a/arch/powerpc/include/asm/types.h +++ b/arch/powerpc/include/asm/types.h @@ -15,6 +15,14 @@ #include <uapi/asm/types.h> +#ifdef __powerpc64__ +#if defined(_CALL_ELF) && _CALL_ELF == 2 +#define PPC64_ELF_ABI_v2 +#else +#define PPC64_ELF_ABI_v1 +#endif +#endif /* __powerpc64__ */ + #ifndef __ASSEMBLY__ typedef __vector128 vector128; |