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https://github.com/AuxXxilium/linux_dsm_epyc7002.git
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ad28e02978
Clean up the jmpbuf code. Since softints, we no longer use sig_setjmp, so the UML_SIGSETJMP wrapper now has a misleading name. Also, I forgot to change the buffers from sigjmp_buf to jmp_buf. Signed-off-by: Jeff Dike <jdike@addtoit.com> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
42 lines
915 B
C
42 lines
915 B
C
/*
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* Copyright (C) 2000, 2001, 2002 Jeff Dike (jdike@karaya.com)
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* Licensed under the GPL
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*/
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#include <stdlib.h>
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#include <signal.h>
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#include <setjmp.h>
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#include "kern_util.h"
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#include "user_util.h"
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#include "os.h"
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#include "mode.h"
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#include "longjmp.h"
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void usr2_handler(int sig, union uml_pt_regs *regs)
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{
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CHOOSE_MODE(syscall_handler_tt(sig, regs), (void) 0);
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}
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void (*sig_info[NSIG])(int, union uml_pt_regs *);
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void os_fill_handlinfo(struct kern_handlers h)
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{
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sig_info[SIGTRAP] = h.relay_signal;
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sig_info[SIGFPE] = h.relay_signal;
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sig_info[SIGILL] = h.relay_signal;
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sig_info[SIGWINCH] = h.winch;
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sig_info[SIGBUS] = h.bus_handler;
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sig_info[SIGSEGV] = h.page_fault;
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sig_info[SIGIO] = h.sigio_handler;
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sig_info[SIGVTALRM] = h.timer_handler;
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sig_info[SIGALRM] = h.timer_handler;
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sig_info[SIGUSR2] = usr2_handler;
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}
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void do_longjmp(void *b, int val)
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{
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jmp_buf *buf = b;
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UML_LONGJMP(buf, val);
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}
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