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powerpc: remove STACK_FRAME_OVERHEAD

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This is equal to STACK_FRAME_MIN_SIZE on 32-bit and 64-bit ELFv1, and no
longer used in 64-bit ELFv2, so replace STACK_FRAME_OVERHEAD occurrences
with STACK_FRAME_MIN_SIZE.

Signed-off-by: Nicholas Piggin <npiggin@gmail.com>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Link: https://lore.kernel.org/r/20221127124942.1665522-18-npiggin@gmail.com
This commit is contained in:
Nicholas Piggin 2022-11-27 22:49:42 +10:00 committed by Michael Ellerman
parent cd52414d5a
commit dfecd06bc5
1 changed files with 11 additions and 13 deletions
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24
arch/powerpc/include/asm/ptrace.h
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@ -118,7 +118,6 @@ struct pt_regs
#define USER_REDZONE_SIZE 512
#define KERNEL_REDZONE_SIZE 288
#define STACK_FRAME_OVERHEAD 112 /* size of minimum stack frame */
#define STACK_FRAME_LR_SAVE 2 /* Location of LR in stack frame */
#ifdef CONFIG_PPC64_ELF_ABI_V2
@ -135,11 +134,11 @@ struct pt_regs
* so the second from last one of those is used for the frame marker.
*/
#define STACK_FRAME_MIN_SIZE 112
#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
#define STACK_USER_INT_FRAME_SIZE (sizeof(struct pt_regs) + STACK_FRAME_MIN_SIZE)
#define STACK_INT_FRAME_REGS STACK_FRAME_MIN_SIZE
#define STACK_INT_FRAME_MARKER (STACK_FRAME_MIN_SIZE - 16)
#define STACK_SWITCH_FRAME_SIZE (sizeof(struct pt_regs) + STACK_FRAME_MIN_SIZE)
#define STACK_SWITCH_FRAME_REGS STACK_FRAME_MIN_SIZE
#endif
/* Size of dummy stack frame allocated when calling signal handler. */
@ -150,14 +149,13 @@ struct pt_regs
#define USER_REDZONE_SIZE 0
#define KERNEL_REDZONE_SIZE 0
#define STACK_FRAME_OVERHEAD 16 /* size of minimum stack frame */
#define STACK_FRAME_MIN_SIZE 16
#define STACK_FRAME_LR_SAVE 1 /* Location of LR in stack frame */
#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 - 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
#define STACK_USER_INT_FRAME_SIZE (sizeof(struct pt_regs) + STACK_FRAME_MIN_SIZE)
#define STACK_INT_FRAME_REGS STACK_FRAME_MIN_SIZE
#define STACK_INT_FRAME_MARKER (STACK_FRAME_MIN_SIZE - 8)
#define STACK_SWITCH_FRAME_SIZE (sizeof(struct pt_regs) + STACK_FRAME_MIN_SIZE)
#define STACK_SWITCH_FRAME_REGS STACK_FRAME_MIN_SIZE
/* Size of stack frame allocated when calling signal handler. */
#define __SIGNAL_FRAMESIZE 64