diff options
| author | Nicholas Piggin <npiggin@gmail.com> | 2022-11-27 13:49:32 +0100 |
|---|---|---|
| committer | Michael Ellerman <mpe@ellerman.id.au> | 2022-12-02 07:54:08 +0100 |
| commit | c03be0a3f3cc656eab5c427b78959b8f1b169a11 (patch) | |
| tree | ea5a871e5ab66eb6f0d25a708e9e26206af9a692 /arch/powerpc/include | |
| parent | powerpc: simplify ppc_save_regs (diff) | |
| download | linux-c03be0a3f3cc656eab5c427b78959b8f1b169a11.tar.xz linux-c03be0a3f3cc656eab5c427b78959b8f1b169a11.zip | |
powerpc: add definition for pt_regs offset within an interrupt frame
This is a common offset that currently uses the overloaded
STACK_FRAME_OVERHEAD constant. It's easier to read and more
flexible to use a specific regs offset for this.
Signed-off-by: Nicholas Piggin <npiggin@gmail.com>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Link: https://lore.kernel.org/r/20221127124942.1665522-8-npiggin@gmail.com
Diffstat (limited to 'arch/powerpc/include')
| -rw-r--r-- | arch/powerpc/include/asm/ptrace.h | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/arch/powerpc/include/asm/ptrace.h b/arch/powerpc/include/asm/ptrace.h index 2efec6d87049..a4ae67aa9b76 100644 --- a/arch/powerpc/include/asm/ptrace.h +++ b/arch/powerpc/include/asm/ptrace.h @@ -124,6 +124,7 @@ struct pt_regs #define STACK_FRAME_LR_SAVE 2 /* Location of LR in stack frame */ #define STACK_INT_FRAME_SIZE (sizeof(struct pt_regs) + \ STACK_FRAME_OVERHEAD + KERNEL_REDZONE_SIZE) +#define STACK_INT_FRAME_REGS STACK_FRAME_OVERHEAD #define STACK_FRAME_MARKER 12 #ifdef CONFIG_PPC64_ELF_ABI_V2 @@ -143,6 +144,7 @@ struct pt_regs #define STACK_FRAME_OVERHEAD 16 /* size of minimum stack frame */ #define STACK_FRAME_LR_SAVE 1 /* Location of LR in stack frame */ #define STACK_INT_FRAME_SIZE (sizeof(struct pt_regs) + STACK_FRAME_OVERHEAD) +#define STACK_INT_FRAME_REGS STACK_FRAME_OVERHEAD #define STACK_FRAME_MARKER 2 #define STACK_FRAME_MIN_SIZE STACK_FRAME_OVERHEAD |