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hurd: Do not declare local variables volatile
These are just regular local variables that are not accessed in any funny ways, not even though a pointer. There's absolutely no reason to declare them volatile. It only ends up hurting the quality of the generated machine code. If anything, it would make sense to decalre sigsp as *pointing* to volatile memory (volatile void *sigsp), but evidently that's not needed either. Signed-off-by: Sergey Bugaev <bugaevc@gmail.com> Message-Id: <20230403115621.258636-2-bugaevc@gmail.com>
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@ -29,7 +29,7 @@ struct sigcontext *
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_hurd_setup_sighandler (struct hurd_sigstate *ss, const struct sigaction *action,
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__sighandler_t handler,
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int signo, struct hurd_signal_detail *detail,
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volatile int rpc_wait,
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int rpc_wait,
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struct machine_thread_all_state *state)
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{
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#error "Need to write sysdeps/mach/hurd/MACHINE/trampoline.c"
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@ -83,13 +83,13 @@ struct sigcontext *
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_hurd_setup_sighandler (struct hurd_sigstate *ss, const struct sigaction *action,
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__sighandler_t handler,
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int signo, struct hurd_signal_detail *detail,
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volatile int rpc_wait,
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int rpc_wait,
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struct machine_thread_all_state *state)
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{
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void trampoline (void);
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void rpc_wait_trampoline (void);
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void firewall (void);
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void *volatile sigsp;
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void *sigsp;
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struct sigcontext *scp;
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struct
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{
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