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| author | Jordan Niethe <jniethe5@gmail.com> | 2020-05-06 05:40:23 +0200 |
|---|---|---|
| committer | Michael Ellerman <mpe@ellerman.id.au> | 2020-05-18 16:10:36 +0200 |
| commit | 4eff2b4f32a309e2171bfe53db3e93b5614f77cb (patch) | |
| tree | cf82cb41ec421b1761315a1b903948219e0e894a /arch/powerpc/kernel/asm-offsets.c | |
| parent | powerpc/xmon: Move breakpoint instructions to own array (diff) | |
| download | linux-4eff2b4f32a309e2171bfe53db3e93b5614f77cb.tar.xz linux-4eff2b4f32a309e2171bfe53db3e93b5614f77cb.zip | |
powerpc/xmon: Move breakpoints to text section
The instructions for xmon's breakpoint are stored bpt_table[] which is in
the data section. This is problematic as the data section may be marked
as no execute. Move bpt_table[] to the text section.
Signed-off-by: Jordan Niethe <jniethe5@gmail.com>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Link: https://lore.kernel.org/r/20200506034050.24806-4-jniethe5@gmail.com
Diffstat (limited to 'arch/powerpc/kernel/asm-offsets.c')
| -rw-r--r-- | arch/powerpc/kernel/asm-offsets.c | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/arch/powerpc/kernel/asm-offsets.c b/arch/powerpc/kernel/asm-offsets.c index fcf24a365fc0..9b9cde07e396 100644 --- a/arch/powerpc/kernel/asm-offsets.c +++ b/arch/powerpc/kernel/asm-offsets.c @@ -70,6 +70,10 @@ #include <asm/fixmap.h> #endif +#ifdef CONFIG_XMON +#include "../xmon/xmon_bpts.h" +#endif + #define STACK_PT_REGS_OFFSET(sym, val) \ DEFINE(sym, STACK_FRAME_OVERHEAD + offsetof(struct pt_regs, val)) @@ -795,5 +799,9 @@ int main(void) DEFINE(VIRT_IMMR_BASE, (u64)__fix_to_virt(FIX_IMMR_BASE)); #endif +#ifdef CONFIG_XMON + DEFINE(BPT_SIZE, BPT_SIZE); +#endif + return 0; } |