diff options
Diffstat (limited to 'usr/src/uts/common/exec')
| -rw-r--r-- | usr/src/uts/common/exec/elf/elf_notes.c | 38 |
1 files changed, 38 insertions, 0 deletions
diff --git a/usr/src/uts/common/exec/elf/elf_notes.c b/usr/src/uts/common/exec/elf/elf_notes.c index 06f9ceb633..a88250b00f 100644 --- a/usr/src/uts/common/exec/elf/elf_notes.c +++ b/usr/src/uts/common/exec/elf/elf_notes.c @@ -164,6 +164,13 @@ setup_note_header(Phdr *v, proc_t *p) v[0].p_filesz += nlwp * sizeof (Note) + nlwp * roundup(sizeof (asrset_t), sizeof (Word)); #endif /* __sparc */ + + mutex_enter(&p->p_lock); + if ((p->p_upanicflag & P_UPF_PANICKED) != 0) { + v[0].p_filesz += sizeof (Note) + + roundup(sizeof (prupanic_t), sizeof (Word)); + } + mutex_exit(&p->p_lock); } int @@ -186,6 +193,7 @@ write_elfnotes(proc_t *p, int sig, vnode_t *vp, offset_t offset, priv_impl_info_t prinfo; struct utsname uts; prsecflags_t psecflags; + prupanic_t upanic; } *bigwad; size_t xregsize = prhasx(p)? prgetprxregsize(p) : 0; @@ -599,6 +607,36 @@ write_elfnotes(proc_t *p, int sig, vnode_t *vp, offset_t offset, } ASSERT(nlwp == 0); + /* + * If a upanic occurred, add a note for it. + */ + mutex_enter(&p->p_lock); + if ((p->p_upanicflag & P_UPF_PANICKED) != 0) { + bzero(&bigwad->upanic, sizeof (prupanic_t)); + bigwad->upanic.pru_version = PRUPANIC_VERSION_1; + if ((p->p_upanicflag & P_UPF_INVALMSG) != 0) { + bigwad->upanic.pru_flags |= PRUPANIC_FLAG_MSG_ERROR; + } + + if ((p->p_upanicflag & P_UPF_TRUNCMSG) != 0) { + bigwad->upanic.pru_flags |= PRUPANIC_FLAG_MSG_TRUNC; + } + + if ((p->p_upanicflag & P_UPF_HAVEMSG) != 0) { + bigwad->upanic.pru_flags |= PRUPANIC_FLAG_MSG_VALID; + bcopy(p->p_upanic, bigwad->upanic.pru_data, + PRUPANIC_BUFLEN); + } + + error = elfnote(vp, &offset, NT_UPANIC, sizeof (prupanic_t), + &bigwad->upanic, rlimit, credp); + if (error != 0) { + mutex_exit(&p->p_lock); + goto done; + } + } + mutex_exit(&p->p_lock); + done: kmem_free(bigwad, bigsize); return (error); |