powerpc: Replace PPC64_ELF_ABI_v{1/2} by CONFIG_PPC64_ELF_ABI_V{1/2}

Replace all uses of PPC64_ELF_ABI_v1 and PPC64_ELF_ABI_v2 by
resp CONFIG_PPC64_ELF_ABI_V1 and CONFIG_PPC64_ELF_ABI_V2.

Signed-off-by: Christophe Leroy <christophe.leroy@csgroup.eu>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Link: https://lore.kernel.org/r/ba13d59e8c50bc9aa6328f1c7f0c0d0278e0a3a7.1652074503.git.christophe.leroy@csgroup.eu

arch/powerpc/include/asm/code-patching.h

@@ -132,7 +132,7 @@ bool is_conditional_branch(ppc_inst_t instr);
 
 static inline unsigned long ppc_function_entry(void *func)
 {
-#ifdef PPC64_ELF_ABI_v2
+#ifdef CONFIG_PPC64_ELF_ABI_V2
 	u32 *insn = func;
 
 	/*
@@ -157,7 +157,7 @@ static inline unsigned long ppc_function_entry(void *func)
 		return (unsigned long)(insn + 2);
 	else
 		return (unsigned long)func;
-#elif defined(PPC64_ELF_ABI_v1)
+#elif defined(CONFIG_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
@@ -171,7 +171,7 @@ static inline unsigned long ppc_function_entry(void *func)
 
 static inline unsigned long ppc_global_function_entry(void *func)
 {
-#ifdef PPC64_ELF_ABI_v2
+#ifdef CONFIG_PPC64_ELF_ABI_V2
 	/* PPC64 ABIv2 the global entry point is at the address */
 	return (unsigned long)func;
 #else
@@ -188,7 +188,7 @@ static inline unsigned long ppc_global_function_entry(void *func)
 static inline unsigned long ppc_kallsyms_lookup_name(const char *name)
 {
 	unsigned long addr;
-#ifdef PPC64_ELF_ABI_v1
+#ifdef CONFIG_PPC64_ELF_ABI_V1
 	/* check for dot variant */
 	char dot_name[1 + KSYM_NAME_LEN];
 	bool dot_appended = false;
@@ -209,7 +209,7 @@ static inline unsigned long ppc_kallsyms_lookup_name(const char *name)
 	if (!addr && dot_appended)
 		/* Let's try the original non-dot symbol lookup	*/
 		addr = kallsyms_lookup_name(name);
-#elif defined(PPC64_ELF_ABI_v2)
+#elif defined(CONFIG_PPC64_ELF_ABI_V2)
 	addr = kallsyms_lookup_name(name);
 	if (addr)
 		addr = ppc_function_entry((void *)addr);
@@ -226,7 +226,7 @@ static inline unsigned long ppc_kallsyms_lookup_name(const char *name)
  */
 
 /* This must match the definition of STK_GOT in <asm/ppc_asm.h> */
-#ifdef PPC64_ELF_ABI_v2
+#ifdef CONFIG_PPC64_ELF_ABI_V2
 #define R2_STACK_OFFSET         24
 #else
 #define R2_STACK_OFFSET         40

arch/powerpc/include/asm/ftrace.h

@@ -64,7 +64,7 @@ void ftrace_graph_func(unsigned long ip, unsigned long parent_ip,
  * those.
  */
 #define ARCH_HAS_SYSCALL_MATCH_SYM_NAME
-#ifdef PPC64_ELF_ABI_v1
+#ifdef CONFIG_PPC64_ELF_ABI_V1
 static inline bool arch_syscall_match_sym_name(const char *sym, const char *name)
 {
 	/* We need to skip past the initial dot, and the __se_sys alias */
@@ -83,7 +83,7 @@ static inline bool arch_syscall_match_sym_name(const char *sym, const char *name
 		(!strncmp(sym, "ppc32_", 6) && !strcmp(sym + 6, name + 4)) ||
 		(!strncmp(sym, "ppc64_", 6) && !strcmp(sym + 6, name + 4));
 }
-#endif /* PPC64_ELF_ABI_v1 */
+#endif /* CONFIG_PPC64_ELF_ABI_V1 */
 #endif /* CONFIG_FTRACE_SYSCALLS */
 
 #ifdef CONFIG_PPC64

arch/powerpc/include/asm/linkage.h

@@ -4,7 +4,7 @@
 
 #include <asm/types.h>
 
-#ifdef PPC64_ELF_ABI_v1
+#ifdef CONFIG_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")

arch/powerpc/include/asm/ppc_asm.h

@@ -149,7 +149,7 @@
 #define __STK_REG(i)   (112 + ((i)-14)*8)
 #define STK_REG(i)     __STK_REG(__REG_##i)
 
-#ifdef PPC64_ELF_ABI_v2
+#ifdef CONFIG_PPC64_ELF_ABI_V2
 #define STK_GOT		24
 #define __STK_PARAM(i)	(32 + ((i)-3)*8)
 #else
@@ -158,7 +158,7 @@
 #endif
 #define STK_PARAM(i)	__STK_PARAM(__REG_##i)
 
-#ifdef PPC64_ELF_ABI_v2
+#ifdef CONFIG_PPC64_ELF_ABI_V2
 
 #define _GLOBAL(name) \
 	.align 2 ; \

arch/powerpc/include/asm/ptrace.h

@@ -120,7 +120,7 @@ struct pt_regs
 				 STACK_FRAME_OVERHEAD + KERNEL_REDZONE_SIZE)
 #define STACK_FRAME_MARKER	12
 
-#ifdef PPC64_ELF_ABI_v2
+#ifdef CONFIG_PPC64_ELF_ABI_V2
 #define STACK_FRAME_MIN_SIZE	32
 #else
 #define STACK_FRAME_MIN_SIZE	STACK_FRAME_OVERHEAD

arch/powerpc/kernel/head_64.S

@@ -435,7 +435,7 @@ generic_secondary_common_init:
 	ld	r12,CPU_SPEC_RESTORE(r23)
 	cmpdi	0,r12,0
 	beq	3f
-#ifdef PPC64_ELF_ABI_v1
+#ifdef CONFIG_PPC64_ELF_ABI_V1
 	ld	r12,0(r12)
 #endif
 	mtctr	r12

arch/powerpc/kernel/interrupt_64.S

@@ -711,7 +711,7 @@ _GLOBAL(ret_from_kernel_thread)
 	REST_NVGPRS(r1)
 	mtctr	r14
 	mr	r3,r15
-#ifdef PPC64_ELF_ABI_v2
+#ifdef CONFIG_PPC64_ELF_ABI_V2
 	mr	r12,r14
 #endif
 	bctrl

arch/powerpc/kernel/kprobes.c

@@ -45,7 +45,7 @@ kprobe_opcode_t *kprobe_lookup_name(const char *name, unsigned int offset)
 {
 	kprobe_opcode_t *addr = NULL;
 
-#ifdef PPC64_ELF_ABI_v2
+#ifdef CONFIG_PPC64_ELF_ABI_V2
 	/* PPC64 ABIv2 needs local entry point */
 	addr = (kprobe_opcode_t *)kallsyms_lookup_name(name);
 	if (addr && !offset) {
@@ -63,7 +63,7 @@ kprobe_opcode_t *kprobe_lookup_name(const char *name, unsigned int offset)
 #endif
 			addr = (kprobe_opcode_t *)ppc_function_entry(addr);
 	}
-#elif defined(PPC64_ELF_ABI_v1)
+#elif defined(CONFIG_PPC64_ELF_ABI_V1)
 	/*
 	 * 64bit powerpc ABIv1 uses function descriptors:
 	 * - Check for the dot variant of the symbol first.
@@ -107,7 +107,7 @@ kprobe_opcode_t *kprobe_lookup_name(const char *name, unsigned int offset)
 
 static bool arch_kprobe_on_func_entry(unsigned long offset)
 {
-#ifdef PPC64_ELF_ABI_v2
+#ifdef CONFIG_PPC64_ELF_ABI_V2
 #ifdef CONFIG_KPROBES_ON_FTRACE
 	return offset <= 16;
 #else

arch/powerpc/kernel/misc_64.S

@@ -454,7 +454,7 @@ _GLOBAL(kexec_sequence)
 	beq	1f
 
 	/* clear out hardware hash page table and tlb */
-#ifdef PPC64_ELF_ABI_v1
+#ifdef CONFIG_PPC64_ELF_ABI_V1
 	ld	r12,0(r27)		/* deref function descriptor */
 #else
 	mr	r12,r27

arch/powerpc/kernel/module.c

@@ -64,13 +64,13 @@ int module_finalize(const Elf_Ehdr *hdr,
 				  (void *)sect->sh_addr + sect->sh_size);
 #endif /* CONFIG_PPC64 */
 
-#ifdef PPC64_ELF_ABI_v1
+#ifdef CONFIG_PPC64_ELF_ABI_V1
 	sect = find_section(hdr, sechdrs, ".opd");
 	if (sect != NULL) {
 		me->arch.start_opd = sect->sh_addr;
 		me->arch.end_opd = sect->sh_addr + sect->sh_size;
 	}
-#endif /* PPC64_ELF_ABI_v1 */
+#endif /* CONFIG_PPC64_ELF_ABI_V1 */
 
 #ifdef CONFIG_PPC_BARRIER_NOSPEC
 	sect = find_section(hdr, sechdrs, "__spec_barrier_fixup");

arch/powerpc/kernel/module_64.c

@@ -31,7 +31,7 @@
    this, and makes other things simpler.  Anton?
    --RR.  */
 
-#ifdef PPC64_ELF_ABI_v2
+#ifdef CONFIG_PPC64_ELF_ABI_V2
 
 static func_desc_t func_desc(unsigned long addr)
 {
@@ -122,7 +122,7 @@ static u32 ppc64_stub_insns[] = {
 	/* Save current r2 value in magic place on the stack. */
 	PPC_RAW_STD(_R2, _R1, R2_STACK_OFFSET),
 	PPC_RAW_LD(_R12, _R11, 32),
-#ifdef PPC64_ELF_ABI_v1
+#ifdef CONFIG_PPC64_ELF_ABI_V1
 	/* Set up new r2 from function descriptor */
 	PPC_RAW_LD(_R2, _R11, 40),
 #endif

arch/powerpc/kernel/ptrace/ptrace.c

@@ -445,7 +445,7 @@ void __init pt_regs_check(void)
 	 */
 	BUILD_BUG_ON(PT_DSCR < sizeof(struct user_pt_regs) / sizeof(unsigned long));
 
-#ifdef PPC64_ELF_ABI_v1
+#ifdef CONFIG_PPC64_ELF_ABI_V1
 	BUILD_BUG_ON(!IS_ENABLED(CONFIG_HAVE_FUNCTION_DESCRIPTORS));
 #else
 	BUILD_BUG_ON(IS_ENABLED(CONFIG_HAVE_FUNCTION_DESCRIPTORS));

arch/powerpc/kernel/trace/ftrace.c

@@ -953,7 +953,7 @@ unsigned long prepare_ftrace_return(unsigned long parent, unsigned long ip,
 #endif
 #endif /* CONFIG_FUNCTION_GRAPH_TRACER */
 
-#ifdef PPC64_ELF_ABI_v1
+#ifdef CONFIG_PPC64_ELF_ABI_V1
 char *arch_ftrace_match_adjust(char *str, const char *search)
 {
 	if (str[0] == '.' && search[0] != '.')
@@ -961,4 +961,4 @@ char *arch_ftrace_match_adjust(char *str, const char *search)
 	else
 		return str;
 }
-#endif /* PPC64_ELF_ABI_v1 */
+#endif /* CONFIG_PPC64_ELF_ABI_V1 */

arch/powerpc/kvm/book3s_interrupts.S

@@ -15,7 +15,7 @@
 #include <asm/asm-compat.h>
 
 #if defined(CONFIG_PPC_BOOK3S_64)
-#ifdef PPC64_ELF_ABI_v2
+#ifdef CONFIG_PPC64_ELF_ABI_V2
 #define FUNC(name) 		name
 #else
 #define FUNC(name) 		GLUE(.,name)

arch/powerpc/kvm/book3s_rmhandlers.S

@@ -26,7 +26,7 @@
 
 #if defined(CONFIG_PPC_BOOK3S_64)
 
-#ifdef PPC64_ELF_ABI_v2
+#ifdef CONFIG_PPC64_ELF_ABI_V2
 #define FUNC(name) 		name
 #else
 #define FUNC(name) 		GLUE(.,name)

arch/powerpc/net/bpf_jit.h

@@ -13,7 +13,7 @@
 #include <asm/types.h>
 #include <asm/ppc-opcode.h>
 
-#ifdef PPC64_ELF_ABI_v1
+#ifdef CONFIG_PPC64_ELF_ABI_V1
 #define FUNCTION_DESCR_SIZE	24
 #else
 #define FUNCTION_DESCR_SIZE	0

arch/powerpc/net/bpf_jit_comp.c

@@ -276,7 +276,7 @@ skip_codegen_passes:
 		 */
 		bpf_jit_dump(flen, proglen, pass, code_base);
 
-#ifdef PPC64_ELF_ABI_v1
+#ifdef CONFIG_PPC64_ELF_ABI_V1
 	/* Function descriptor nastiness: Address + TOC */
 	((u64 *)image)[0] = (u64)code_base;
 	((u64 *)image)[1] = local_paca->kernel_toc;

arch/powerpc/net/bpf_jit_comp64.c

@@ -126,7 +126,7 @@ void bpf_jit_build_prologue(u32 *image, struct codegen_context *ctx)
 {
 	int i;
 
-	if (__is_defined(PPC64_ELF_ABI_v2))
+	if (__is_defined(CONFIG_PPC64_ELF_ABI_V2))
 		EMIT(PPC_RAW_LD(_R2, _R13, offsetof(struct paca_struct, kernel_toc)));
 
 	/*
@@ -266,7 +266,7 @@ static int bpf_jit_emit_tail_call(u32 *image, struct codegen_context *ctx, u32 o
 	int b2p_index = bpf_to_ppc(BPF_REG_3);
 	int bpf_tailcall_prologue_size = 8;
 
-	if (__is_defined(PPC64_ELF_ABI_v2))
+	if (__is_defined(CONFIG_PPC64_ELF_ABI_V2))
 		bpf_tailcall_prologue_size += 4; /* skip past the toc load */
 
 	/*