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| author | Nicholas Piggin <npiggin@gmail.com> | 2022-11-27 15:49:36 +0300 |
|---|---|---|
| committer | Michael Ellerman <mpe@ellerman.id.au> | 2022-12-02 09:54:08 +0300 |
| commit | 6f291a03819e4051ebc870471d26915ef2e6ba31 (patch) | |
| tree | 4d30df1db1b8290dbfe1216694dfaf34e9c4d1e5 /arch/powerpc/include/asm/ptrace.h | |
| parent | 1223e5a20f7fb3c31c91a328d1a04ed26d5e889b (diff) | |
| download | linux-6f291a03819e4051ebc870471d26915ef2e6ba31.tar.xz | |
powerpc: add a define for the switch frame size and regs offset
This is open-coded in process.c, ppc32 uses a different define with the
same value, and the C definition is name differently which makes it an
extra indirection to grep for.
Signed-off-by: Nicholas Piggin <npiggin@gmail.com>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Link: https://lore.kernel.org/r/20221127124942.1665522-12-npiggin@gmail.com
Diffstat (limited to 'arch/powerpc/include/asm/ptrace.h')
| -rw-r--r-- | arch/powerpc/include/asm/ptrace.h | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/arch/powerpc/include/asm/ptrace.h b/arch/powerpc/include/asm/ptrace.h index 705ce26ae887..412ef0749775 100644 --- a/arch/powerpc/include/asm/ptrace.h +++ b/arch/powerpc/include/asm/ptrace.h @@ -97,8 +97,6 @@ struct pt_regs #endif -#define STACK_FRAME_WITH_PT_REGS (STACK_FRAME_OVERHEAD + sizeof(struct pt_regs)) - // Always displays as "REGS" in memory dumps #ifdef CONFIG_CPU_BIG_ENDIAN #define STACK_FRAME_REGS_MARKER ASM_CONST(0x52454753) @@ -125,6 +123,8 @@ struct pt_regs #define STACK_USER_INT_FRAME_SIZE (sizeof(struct pt_regs) + STACK_FRAME_OVERHEAD) #define STACK_INT_FRAME_REGS STACK_FRAME_OVERHEAD #define STACK_INT_FRAME_MARKER (STACK_FRAME_OVERHEAD - 16) +#define STACK_SWITCH_FRAME_SIZE (sizeof(struct pt_regs) + STACK_FRAME_OVERHEAD) +#define STACK_SWITCH_FRAME_REGS STACK_FRAME_OVERHEAD #ifdef CONFIG_PPC64_ELF_ABI_V2 #define STACK_FRAME_MIN_SIZE 32 @@ -146,6 +146,8 @@ struct pt_regs #define STACK_INT_FRAME_REGS STACK_FRAME_OVERHEAD #define STACK_INT_FRAME_MARKER (STACK_FRAME_OVERHEAD - 8) #define STACK_FRAME_MIN_SIZE STACK_FRAME_OVERHEAD +#define STACK_SWITCH_FRAME_SIZE (sizeof(struct pt_regs) + STACK_FRAME_OVERHEAD) +#define STACK_SWITCH_FRAME_REGS STACK_FRAME_OVERHEAD /* Size of stack frame allocated when calling signal handler. */ #define __SIGNAL_FRAMESIZE 64 |