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mips o32: fix sigreturn decoding

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* signal.c (sys_sigreturn) [LINUX_MIPSO32]: Fix the address of signal mask.
[MIPS] Use print_sigset_addr_len to print signal mask.
This commit is contained in:
Дмитрий Левин 2015-03-04 20:04:02 +00:00
parent ccb4fdac43
commit fd6d2072b1
1 changed files with 21 additions and 16 deletions
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37
signal.c
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@ -900,23 +900,28 @@ sys_sigreturn(struct tcb *tcp)
tprintsigmask_val("", mask);
}
}
#elif defined(LINUX_MIPSN32) || defined(LINUX_MIPSN64)
/* This decodes rt_sigreturn. The 64-bit ABIs do not have
sigreturn. */
#elif defined MIPS
if (entering(tcp)) {
struct ucontext uc;
/* There are six words followed by a 128-byte siginfo. */
long sp = mips_REG_SP + 6 * 4 + 128;
if (umove(tcp, sp, &uc) < 0)
return 0;
tprintsigmask_val(") (mask ", uc.uc_sigmask);
}
#elif defined(LINUX_MIPSO32)
if (entering(tcp)) {
m_siginfo_t si;
if (umove(tcp, mips_REG_SP, &si) < 0)
return 0;
tprintsigmask_val(") (mask ", si.si_mask);
# if defined LINUX_MIPSO32
/*
* offsetof(struct sigframe, sf_mask) ==
* sizeof(sf_ass) + sizeof(sf_pad) + sizeof(struct sigcontext)
*/
const long addr = mips_REG_SP + 6 * 4 +
sizeof(struct sigcontext);
# else
/*
* This decodes rt_sigreturn.
* The 64-bit ABIs do not have sigreturn.
*
* offsetof(struct rt_sigframe, rs_uc) ==
* sizeof(sf_ass) + sizeof(sf_pad) + sizeof(struct siginfo)
*/
const long addr = mips_REG_SP + 6 * 4 + 128 +
offsetof(struct ucontext, uc_sigmask);
# endif
tprints(") (mask ");
print_sigset_addr_len(tcp, addr, NSIG / 8);
}
#elif defined(CRISV10) || defined(CRISV32)
if (entering(tcp)) {