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alpha-linux-user: Implement signals.

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Move userland PALcode handling into linux-user main loop so that
we can send signals from there.  This also makes alpha_palcode.c
system-level only, so don't build it for userland.  Add defines
for GENTRAP PALcall mapping to signals.

Signed-off-by: Richard Henderson <rth@twiddle.net>
Signed-off-by: Aurelien Jarno <aurelien@aurel32.net>
This commit is contained in:
Richard Henderson 2009-12-27 18:30:03 -08:00 • committed by Aurelien Jarno
parent f24518b502
commit 6049f4f831
9 changed files with 489 additions and 117 deletions
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23
linux-user/syscall_defs.h
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@ -472,8 +472,28 @@ int do_sigaction(int sig, const struct target_sigaction *act,
#endif
#if defined(TARGET_MIPS)
#if defined(TARGET_ALPHA)
struct target_old_sigaction {
abi_ulong _sa_handler;
abi_ulong sa_mask;
abi_ulong sa_flags;
};
struct target_rt_sigaction {
abi_ulong _sa_handler;
abi_ulong sa_flags;
target_sigset_t sa_mask;
};
/* This is the struct used inside the kernel. The ka_restorer
field comes from the 5th argument to sys_rt_sigaction. */
struct target_sigaction {
abi_ulong _sa_handler;
abi_ulong sa_flags;
target_sigset_t sa_mask;
abi_ulong sa_restorer;
};
#elif defined(TARGET_MIPS)
struct target_sigaction {
uint32_t sa_flags;
#if defined(TARGET_ABI_MIPSN32)
@ -483,7 +503,6 @@ struct target_sigaction {
#endif
target_sigset_t sa_mask;
};
#else
struct target_old_sigaction {
abi_ulong _sa_handler;