Toolchain/binutils-gdb
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2011-12-20 Pedro Alves <alves.ped@gmail.com>

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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.
This commit is contained in:
Pedro Alves
2011-12-20 10:40:15 +00:00
parent 87c31f0622
commit 6e012a6c38
4 changed files with 41 additions and 1 deletions
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9
gdb/i386-linux-nat.c
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@@ -715,6 +715,9 @@ i386_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;
@@ -758,6 +761,12 @@ i386_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 ();