diff options
| author | Dimitry Andric <dim@FreeBSD.org> | 2015-12-30 11:52:19 +0000 |
|---|---|---|
| committer | Dimitry Andric <dim@FreeBSD.org> | 2015-12-30 11:52:19 +0000 |
| commit | 5c909fa013fc285f010a95e8d387e0ef3412da9c (patch) | |
| tree | 1059d068ad281f4776ff44cd414574f99a460023 /lib/builtins/assembly.h | |
| parent | f31bcc68c72371a2bf63aead9f3373a1ff2053b6 (diff) | |
Diffstat (limited to 'lib/builtins/assembly.h')
| -rw-r--r-- | lib/builtins/assembly.h | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/lib/builtins/assembly.h b/lib/builtins/assembly.h index 8bb0ddc106bd..c28970534cc4 100644 --- a/lib/builtins/assembly.h +++ b/lib/builtins/assembly.h @@ -73,6 +73,15 @@ #define JMPc(r, c) mov##c pc, r #endif +// pop {pc} can't switch Thumb mode on ARMv4T +#if __ARM_ARCH >= 5 +#define POP_PC() pop {pc} +#else +#define POP_PC() \ + pop {ip}; \ + JMP(ip) +#endif + #if __ARM_ARCH_ISA_THUMB == 2 #define IT(cond) it cond #define ITT(cond) itt cond |