diff options
Diffstat (limited to 'usr.bin/gcore/elfcore.c')
| -rw-r--r-- | usr.bin/gcore/elfcore.c | 21 |
1 files changed, 21 insertions, 0 deletions
diff --git a/usr.bin/gcore/elfcore.c b/usr.bin/gcore/elfcore.c index 0a09888..786116d 100644 --- a/usr.bin/gcore/elfcore.c +++ b/usr.bin/gcore/elfcore.c @@ -1,4 +1,5 @@ /*- + * Copyright (c) 2017 Dell EMC * Copyright (c) 2007 Sandvine Incorporated * Copyright (c) 1998 John D. Polstra * All rights reserved. @@ -102,6 +103,7 @@ static void *elf_note_fpregset(void *, size_t *); static void *elf_note_prpsinfo(void *, size_t *); static void *elf_note_prstatus(void *, size_t *); static void *elf_note_thrmisc(void *, size_t *); +static void *elf_note_ptlwpinfo(void *, size_t *); #if defined(__i386__) || defined(__amd64__) static void *elf_note_x86_xstate(void *, size_t *); #endif @@ -358,6 +360,7 @@ elf_putnotes(pid_t pid, struct sbuf *sb, size_t *sizep) elf_putnote(NT_PRSTATUS, elf_note_prstatus, tids + i, sb); elf_putnote(NT_FPREGSET, elf_note_fpregset, tids + i, sb); elf_putnote(NT_THRMISC, elf_note_thrmisc, tids + i, sb); + elf_putnote(NT_PTLWPINFO, elf_note_ptlwpinfo, tids + i, sb); #if defined(__i386__) || defined(__amd64__) elf_putnote(NT_X86_XSTATE, elf_note_x86_xstate, tids + i, sb); #endif @@ -661,6 +664,24 @@ elf_note_thrmisc(void *arg, size_t *sizep) return (thrmisc); } +static void * +elf_note_ptlwpinfo(void *arg, size_t *sizep) +{ + lwpid_t tid; + void *p; + + tid = *(lwpid_t *)arg; + p = calloc(1, sizeof(int) + sizeof(struct ptrace_lwpinfo)); + if (p == NULL) + errx(1, "out of memory"); + *(int *)p = sizeof(struct ptrace_lwpinfo); + ptrace(PT_LWPINFO, tid, + (char *)p + sizeof (int), sizeof(struct ptrace_lwpinfo)); + + *sizep = sizeof(int) + sizeof(struct ptrace_lwpinfo); + return (p); +} + #if defined(__i386__) || defined(__amd64__) static void * elf_note_x86_xstate(void *arg, size_t *sizep) |
