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prevent gdb from panic'ing an alpha with "mutex Giant not owned"

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reviewed by: jhb
This commit is contained in:
Andrew Gallatin 2001-03-16 21:44:21 +00:00
parent eeba0d1008
commit 283da0012f
1 changed files with 2 additions and 0 deletions
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2
sys/alpha/alpha/trap.c
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@ -335,8 +335,10 @@ trap(a0, a1, a2, entry, framep)
case ALPHA_IF_CODE_BPT:
case ALPHA_IF_CODE_BUGCHK:
if (p->p_md.md_flags & (MDP_STEP1|MDP_STEP2)) {
mtx_lock(&Giant);
ptrace_clear_single_step(p);
p->p_md.md_tf->tf_regs[FRAME_PC] -= 4;
mtx_unlock(&Giant);
}
ucode = a0; /* trap type */
i = SIGTRAP;