Commit 3b59e614 authored by Richard Henderson's avatar Richard Henderson

[ALPHA] Add compile-time assert concerning rt_sigframe layout.

parent ceee83c0
......@@ -228,6 +228,12 @@ struct rt_sigframe
unsigned int retcode[3];
};
/* If this changes, userland unwinders that Know Things about our signal
frame will break. Do not undertake lightly. It also implies an ABI
change wrt the size of siginfo_t, which may cause some pain. */
extern char compile_time_assert
[offsetof(struct rt_sigframe, uc.uc_mcontext) == 176 ? 1 : -1];
#define INSN_MOV_R30_R16 0x47fe0410
#define INSN_LDI_R0 0x201f0000
#define INSN_CALLSYS 0x00000083
......
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