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| author | Nicholas Piggin <npiggin@gmail.com> | 2022-11-27 22:49:32 +1000 |
|---|---|---|
| committer | Michael Ellerman <mpe@ellerman.id.au> | 2022-12-02 17:54:08 +1100 |
| commit | c03be0a3f3cc656eab5c427b78959b8f1b169a11 (patch) | |
| tree | ea5a871e5ab66eb6f0d25a708e9e26206af9a692 /arch/powerpc/xmon | |
| parent | 37195b820d32c23bdefce3f460ed7de48a57e5e4 (diff) | |
| download | lwn-c03be0a3f3cc656eab5c427b78959b8f1b169a11.tar.gz lwn-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/xmon')
| -rw-r--r-- | arch/powerpc/xmon/xmon.c | 7 |
1 files changed, 3 insertions, 4 deletions
diff --git a/arch/powerpc/xmon/xmon.c b/arch/powerpc/xmon/xmon.c index e34d7809f6c9..a14eb4d815c2 100644 --- a/arch/powerpc/xmon/xmon.c +++ b/arch/powerpc/xmon/xmon.c @@ -1782,14 +1782,13 @@ static void xmon_show_stack(unsigned long sp, unsigned long lr, xmon_print_symbol(ip, " ", "\n"); } - /* Look for "regshere" marker to see if this is + /* Look for "regs" marker to see if this is an exception frame. */ if (mread(sp + MARKER_OFFSET, &marker, sizeof(unsigned long)) && marker == STACK_FRAME_REGS_MARKER) { - if (mread(sp + STACK_FRAME_OVERHEAD, ®s, sizeof(regs)) - != sizeof(regs)) { + if (mread(sp + STACK_INT_FRAME_REGS, ®s, sizeof(regs)) != sizeof(regs)) { printf("Couldn't read registers at %lx\n", - sp + STACK_FRAME_OVERHEAD); + sp + STACK_INT_FRAME_REGS); break; } printf("--- Exception: %lx %s at ", regs.trap, |