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| author | Robert Watson <rwatson@FreeBSD.org> | 2015-10-04 09:39:40 +0000 |
|---|---|---|
| committer | Robert Watson <rwatson@FreeBSD.org> | 2015-10-04 09:39:40 +0000 |
| commit | ba2f5f5ed3645cfe585d4a69cbc6a76d80901fee (patch) | |
| tree | 1a704e1838e71fcbc915a67d8abe240a252f1f88 /sys/arm/include | |
| parent | 9b420b3da4f2dc841c8431522bf4a299ae58d86c (diff) | |
| download | src-ba2f5f5ed3645cfe585d4a69cbc6a76d80901fee.tar.gz src-ba2f5f5ed3645cfe585d4a69cbc6a76d80901fee.zip | |
Add missing stack unwind information to several assembly functions on
ARMv6/7:
- Define _SAVE() macro to allow unwind data to be conditionally defined for
ARM assembly code in the kernel.
- Use _SAVE() to provide unwind information for bcopy_page(), and two (of
many) instances of copyin() and copyout().
Reviewed by: andrew, imp
MFC after: 3 days
Sponsored by: University of Cambridge
Notes
Notes:
svn path=/head/; revision=288662
Diffstat (limited to 'sys/arm/include')
| -rw-r--r-- | sys/arm/include/asm.h | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/sys/arm/include/asm.h b/sys/arm/include/asm.h index 2f64c3758305..5958ea38f9a4 100644 --- a/sys/arm/include/asm.h +++ b/sys/arm/include/asm.h @@ -53,10 +53,12 @@ #define STOP_UNWINDING .cantunwind #define _FNSTART .fnstart #define _FNEND .fnend +#define _SAVE(...) .save __VA_ARGS__ #else #define STOP_UNWINDING #define _FNSTART #define _FNEND +#define _SAVE(...) #endif /* |