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| author | Pedro Alves <palves@redhat.com> | 2011-12-20 10:40:15 +0000 |
|---|---|---|
| committer | Pedro Alves <palves@redhat.com> | 2011-12-20 10:40:15 +0000 |
| commit | 6e012a6c38c5bb8f44669653d86fa8382ffd0922 (patch) | |
| tree | 9ebec7606f2b36764bd1b0b686c7451c47733cc2 /gdb/amd64-linux-nat.c | |
| parent | 87c31f06224db060e86fab624a9cc3580c01621d (diff) | |
| download | gdb-6e012a6c38c5bb8f44669653d86fa8382ffd0922.zip gdb-6e012a6c38c5bb8f44669653d86fa8382ffd0922.tar.gz gdb-6e012a6c38c5bb8f44669653d86fa8382ffd0922.tar.bz2 | |
2011-12-20 Pedro Alves <alves.ped@gmail.com>
Jan Kratochvil <jan.kratochvil@redhat.com>
* linux-nat.c (add_lwp): Don't call linux_nat_new_thread on the
first LWP.
* amd64-linux-nat.c (update_debug_registers_callback): Instantiate
`lwp->arch_private' if NULL.
(amd64_linux_prepare_to_resume): Do nothing if `lwp->arch_private'
is NULL.
* i386-linux-nat.c (update_debug_registers_callback): Instantiate
`lwp->arch_private' if NULL.
(i386_linux_prepare_to_resume): Do nothing if `lwp->arch_private'
is NULL.
Diffstat (limited to 'gdb/amd64-linux-nat.c')
| -rw-r--r-- | gdb/amd64-linux-nat.c | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/gdb/amd64-linux-nat.c b/gdb/amd64-linux-nat.c index 288160b..865b971 100644 --- a/gdb/amd64-linux-nat.c +++ b/gdb/amd64-linux-nat.c @@ -343,6 +343,9 @@ amd64_linux_dr_get_status (void) static int update_debug_registers_callback (struct lwp_info *lwp, void *arg) { + if (lwp->arch_private == NULL) + lwp->arch_private = XCNEW (struct arch_lwp_info); + /* The actual update is done later just before resuming the lwp, we just mark that the registers need updating. */ lwp->arch_private->debug_registers_changed = 1; @@ -386,6 +389,12 @@ amd64_linux_prepare_to_resume (struct lwp_info *lwp) { int clear_status = 0; + /* NULL means this is the main thread still going through the shell, + or, no watchpoint has been set yet. In that case, there's + nothing to do. */ + if (lwp->arch_private == NULL) + return; + if (lwp->arch_private->debug_registers_changed) { struct i386_debug_reg_state *state = i386_debug_reg_state (); |