Dmitry V. Levin
0e946ab2c2
* printsiginfo.h: New file. * Makefile.am (strace_SOURCES): Add it. * defs.h: Do not include <signal.h>. (printsiginfo): Remove. * printsiginfo.c: Include <signal.h> and "printsiginfo.h". * strace.c: Likewise. * sigaltstack.c: Include <signal.h>. * signal.c: Likewise. * sigreturn.c: Likewise. * time.c: Likewise.
49 lines
998 B
C
49 lines
998 B
C
#include "defs.h"
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#include <signal.h>
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#include "xlat/sigaltstack_flags.h"
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static void
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print_stack_t(struct tcb *tcp, unsigned long addr)
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{
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stack_t ss;
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#if SUPPORTED_PERSONALITIES > 1 && SIZEOF_LONG > 4
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if (current_wordsize != sizeof(ss.ss_sp) && current_wordsize == 4) {
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struct {
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uint32_t ss_sp;
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int32_t ss_flags;
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uint32_t ss_size;
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} ss32;
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if (umove_or_printaddr(tcp, addr, &ss32))
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return;
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memset(&ss, 0, sizeof(ss));
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ss.ss_sp = (void*)(unsigned long) ss32.ss_sp;
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ss.ss_flags = ss32.ss_flags;
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ss.ss_size = (unsigned long) ss32.ss_size;
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} else
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#endif
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if (umove_or_printaddr(tcp, addr, &ss))
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return;
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tprints("{ss_sp=");
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printaddr((unsigned long) ss.ss_sp);
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tprints(", ss_flags=");
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printflags(sigaltstack_flags, ss.ss_flags, "SS_???");
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tprintf(", ss_size=%lu}", (unsigned long) ss.ss_size);
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}
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SYS_FUNC(sigaltstack)
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{
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if (entering(tcp)) {
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print_stack_t(tcp, tcp->u_arg[0]);
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tprints(", ");
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} else {
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print_stack_t(tcp, tcp->u_arg[1]);
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}
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return 0;
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}
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