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| author | Roland McGrath <roland@hack.frob.com> | 2013-06-18 15:42:56 -0700 |
|---|---|---|
| committer | Roland McGrath <roland@hack.frob.com> | 2013-06-18 15:42:56 -0700 |
| commit | 733edfb8ae0266c6a6f01ed29e6a2d2ad64a5aa6 (patch) | |
| tree | 92c82573d8897c7c0f4e348124b54cd02dd649c4 /ports/sysdeps/arm/arm-features.h | |
| parent | d7dffa6a558cc3305cb6b51c4153da67af1f374c (diff) | |
| download | glibc-733edfb8ae0266c6a6f01ed29e6a2d2ad64a5aa6.tar glibc-733edfb8ae0266c6a6f01ed29e6a2d2ad64a5aa6.tar.gz glibc-733edfb8ae0266c6a6f01ed29e6a2d2ad64a5aa6.tar.bz2 glibc-733edfb8ae0266c6a6f01ed29e6a2d2ad64a5aa6.zip | |
ARM: Make armv7 memcpy implementations SFI-friendly
Diffstat (limited to 'ports/sysdeps/arm/arm-features.h')
| -rw-r--r-- | ports/sysdeps/arm/arm-features.h | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/ports/sysdeps/arm/arm-features.h b/ports/sysdeps/arm/arm-features.h index 336b6905af..1d4b0f1be9 100644 --- a/ports/sysdeps/arm/arm-features.h +++ b/ports/sysdeps/arm/arm-features.h @@ -53,6 +53,14 @@ # define ARM_BX_ALIGN_LOG2 2 #endif +/* The number of instructions that 'bx' expands to. A more-specific + arm-features.h that defines 'bx' as a macro should define this to the + number instructions it expands to. This is used only in a context + where the 'bx' expansion won't cross an ARM_BX_ALIGN_LOG2 boundary. */ +#ifndef ARM_BX_NINSNS +# define ARM_BX_NINSNS 1 +#endif + /* An OS-specific arm-features.h file may define ARM_NO_INDEX_REGISTER to indicate that the two-register addressing modes must never be used. */ |