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| author | Jordan Niethe <jniethe5@gmail.com> | 2020-05-06 06:40:23 +0300 |
|---|---|---|
| committer | Michael Ellerman <mpe@ellerman.id.au> | 2020-05-18 17:10:36 +0300 |
| commit | 4eff2b4f32a309e2171bfe53db3e93b5614f77cb (patch) | |
| tree | cf82cb41ec421b1761315a1b903948219e0e894a /arch/powerpc/xmon/xmon_bpts.h | |
| parent | 51c9ba11f17f25ace1ea6bbfd4586c59105432de (diff) | |
| download | linux-4eff2b4f32a309e2171bfe53db3e93b5614f77cb.tar.xz | |
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/xmon/xmon_bpts.h')
| -rw-r--r-- | arch/powerpc/xmon/xmon_bpts.h | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/arch/powerpc/xmon/xmon_bpts.h b/arch/powerpc/xmon/xmon_bpts.h new file mode 100644 index 000000000000..b7e94375db86 --- /dev/null +++ b/arch/powerpc/xmon/xmon_bpts.h @@ -0,0 +1,14 @@ +/* SPDX-License-Identifier: GPL-2.0 */ +#ifndef XMON_BPTS_H +#define XMON_BPTS_H + +#define NBPTS 256 +#ifndef __ASSEMBLY__ +#define BPT_SIZE (sizeof(unsigned int) * 2) +#define BPT_WORDS (BPT_SIZE / sizeof(unsigned int)) + +extern unsigned int bpt_table[NBPTS * BPT_WORDS]; + +#endif /* __ASSEMBLY__ */ + +#endif /* XMON_BPTS_H */ |