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authorAndré Fabian Silva Delgado <emulatorman@parabola.nu>2016-10-20 00:10:27 -0300
committerAndré Fabian Silva Delgado <emulatorman@parabola.nu>2016-10-20 00:10:27 -0300
commitd0b2f91bede3bd5e3d24dd6803e56eee959c1797 (patch)
tree7fee4ab0509879c373c4f2cbd5b8a5be5b4041ee /arch/powerpc/kernel/kprobes.c
parente914f8eb445e8f74b00303c19c2ffceaedd16a05 (diff)
Linux-libre 4.8.2-gnupck-4.8.2-gnu
Diffstat (limited to 'arch/powerpc/kernel/kprobes.c')
-rw-r--r--arch/powerpc/kernel/kprobes.c19
1 files changed, 8 insertions, 11 deletions
diff --git a/arch/powerpc/kernel/kprobes.c b/arch/powerpc/kernel/kprobes.c
index 7c053f281..e785cc9e1 100644
--- a/arch/powerpc/kernel/kprobes.c
+++ b/arch/powerpc/kernel/kprobes.c
@@ -29,7 +29,7 @@
#include <linux/kprobes.h>
#include <linux/ptrace.h>
#include <linux/preempt.h>
-#include <linux/module.h>
+#include <linux/extable.h>
#include <linux/kdebug.h>
#include <linux/slab.h>
#include <asm/code-patching.h>
@@ -278,12 +278,11 @@ no_kprobe:
* - When the probed function returns, this probe
* causes the handlers to fire
*/
-static void __used kretprobe_trampoline_holder(void)
-{
- asm volatile(".global kretprobe_trampoline\n"
- "kretprobe_trampoline:\n"
- "nop\n");
-}
+asm(".global kretprobe_trampoline\n"
+ ".type kretprobe_trampoline, @function\n"
+ "kretprobe_trampoline:\n"
+ "nop\n"
+ ".size kretprobe_trampoline, .-kretprobe_trampoline\n");
/*
* Called when the probe at kretprobe trampoline is hit
@@ -506,13 +505,11 @@ int __kprobes setjmp_pre_handler(struct kprobe *p, struct pt_regs *regs)
/* setup return addr to the jprobe handler routine */
regs->nip = arch_deref_entry_point(jp->entry);
-#ifdef CONFIG_PPC64
-#if defined(_CALL_ELF) && _CALL_ELF == 2
+#ifdef PPC64_ELF_ABI_v2
regs->gpr[12] = (unsigned long)jp->entry;
-#else
+#elif defined(PPC64_ELF_ABI_v1)
regs->gpr[2] = (unsigned long)(((func_descr_t *)jp->entry)->toc);
#endif
-#endif
return 1;
}