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| author | rsc <devnull@localhost> | 2005-05-01 18:38:12 +0000 |
|---|---|---|
| committer | rsc <devnull@localhost> | 2005-05-01 18:38:12 +0000 |
| commit | cea10000c59882b43525e4fd4fb17a55b7dba1c1 (patch) | |
| tree | 63e81981a798e074e7de146e23c8e16eaf3a26dc /src/libthread/power-ucontext.h | |
| parent | e9ad899486adb4c561e682ced74ac0cb1c4539fc (diff) | |
| download | plan9port-cea10000c59882b43525e4fd4fb17a55b7dba1c1.tar.gz plan9port-cea10000c59882b43525e4fd4fb17a55b7dba1c1.tar.bz2 plan9port-cea10000c59882b43525e4fd4fb17a55b7dba1c1.zip | |
OpenBSD/power support.
Diffstat (limited to 'src/libthread/power-ucontext.h')
| -rw-r--r-- | src/libthread/power-ucontext.h | 35 |
1 files changed, 35 insertions, 0 deletions
diff --git a/src/libthread/power-ucontext.h b/src/libthread/power-ucontext.h new file mode 100644 index 00000000..a39be28a --- /dev/null +++ b/src/libthread/power-ucontext.h @@ -0,0 +1,35 @@ +typedef struct mcontext mcontext_t; +typedef struct ucontext ucontext_t; +struct mcontext +{ + ulong pc; /* lr */ + ulong cr; /* mfcr */ + ulong ctr; /* mfcr */ + ulong xer; /* mfcr */ + ulong sp; /* callee saved: r1 */ + ulong toc; /* callee saved: r2 */ + ulong r3; /* first arg to function, return register: r3 */ + ulong gpr[19]; /* callee saved: r13-r31 */ +// XXX: currently do not save vector registers or floating-point state +// ulong pad; +// uvlong fpr[18]; /* callee saved: f14-f31 */ +// ulong vr[4*12]; /* callee saved: v20-v31, 256-bits each */ +}; + +struct ucontext +{ + struct { + void *ss_sp; + uint ss_size; + } uc_stack; + sigset_t uc_sigmask; + mcontext_t mc; +}; + +void makecontext(ucontext_t*, void(*)(void), int, ...); +int getcontext(ucontext_t*); +int setcontext(ucontext_t*); +int swapcontext(ucontext_t*, ucontext_t*); +int _getmcontext(mcontext_t*); +void _setmcontext(mcontext_t*); + |