gdb/
* breakpoint.c (update_breakpoints_after_exec): Delete bp_longjmp and bp_longjmp_resume breakpoints. (breakpoint_address_is_meaningful): Claim bp_longjmp_resume as meaningful. (create_longjmp_breakpoint): Don't create bp_longjmp_resume breakpoints. Create bp_longjmp breakpoints as momentary breakpoints. (enable_longjmp_breakpoint): Delete. (set_longjmp_breakpoint): New. (disable_longjmp_breakpoint): Delete. (delete_longjmp_breakpoint): New. (set_longjmp_resume_breakpoint): Delete. (set_momentary_breakpoint_at_pc): New. (breakpoint_re_set_one): Don't delete bp_longjmp and bp_longjmp_resume breakpoints. (breakpoint_re_set): Don't create longjmp and longjmp-resume breakpoints. * infrun.c (step_resume_breakpoint): Add comment. (struct execution_control_state): Delete handling_longjmp member. (init_execution_control_state). Don't clear handling_longjmp. (context_switch): Don't context switch handling_longjmp. (handle_inferior_event): If handling a bp_longjmp breakpoint, create a bp_longjmp_resume breakpoint, and set it as current step_resume_breakpoint, then step over the longjmp breakpoint. If handling a bp_longjmp_resume breakpoint, don't delete the longjmp breakpoint, delete the longjmp-resume breakpoint, and stop stepping. (currently_stepping): Remove handling_longjmp from expression. (insert_step_resume_breakpoint_at_sal): Update comment. (insert_longjmp_resume_breakpoint): New. * breakpoint.h (set_momentary_breakpoint_at_pc): Declare. (enable_longjmp_breakpoint, disable_longjmp_breakpoint): Delete declarations. (set_longjmp_breakpoint, delete_longjmp_breakpoint): Declare. (set_longjmp_resume_breakpoint): Delete declaration. * gdbthread.h (save_infrun_state): Remove handling_longjmp parameter. (load_infrun_state): Delete *handling_longjmp parameter. * thread.c (save_infrun_state): Remove handling_longjmp parameter. Update body. (load_infrun_state): Delete *handling_longjmp parameter. Update body. * infcmd.c (disable_longjmp_breakpoint_cleanup): Delete. (delete_longjmp_breakpoint_cleanup): New. (step_1): Call set_longjmp_breakpoint instead of enable_longjmp_breakpoint. Use delete_longjmp_breakpoint_cleanup instead of disable_longjmp_breakpoint_cleanup when making cleanup. (step_1_continuation): Pass thread id in the continuation args to step_once. (step_once): Add thread parameter. Pass thread id the the continuation. gdb/testsuite/ * gdb.cp/annota2.exp: Adjust to breakpoints invalidations at different times.
This commit is contained in:
Pedro Alves
parent
ff013f42f4
commit
611c83ae47
@ -1,3 +1,61 @@
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2008-05-04 Pedro Alves <pedro@codesourcery.com>
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* breakpoint.c (update_breakpoints_after_exec): Delete bp_longjmp
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and bp_longjmp_resume breakpoints.
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(breakpoint_address_is_meaningful): Claim bp_longjmp_resume as
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meaningful.
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(create_longjmp_breakpoint): Don't create bp_longjmp_resume
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breakpoints. Create bp_longjmp breakpoints as momentary
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breakpoints.
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(enable_longjmp_breakpoint): Delete.
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(set_longjmp_breakpoint): New.
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(disable_longjmp_breakpoint): Delete.
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(delete_longjmp_breakpoint): New.
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(set_longjmp_resume_breakpoint): Delete.
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(set_momentary_breakpoint_at_pc): New.
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(breakpoint_re_set_one): Don't delete bp_longjmp and
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bp_longjmp_resume breakpoints.
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(breakpoint_re_set): Don't create longjmp and longjmp-resume
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breakpoints.
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* infrun.c (step_resume_breakpoint): Add comment.
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(struct execution_control_state): Delete handling_longjmp member.
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(init_execution_control_state). Don't clear handling_longjmp.
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(context_switch): Don't context switch handling_longjmp.
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(handle_inferior_event): If handling a bp_longjmp breakpoint,
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create a bp_longjmp_resume breakpoint, and set it as current
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step_resume_breakpoint, then step over the longjmp breakpoint. If
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handling a bp_longjmp_resume breakpoint, don't delete the longjmp
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breakpoint, delete the longjmp-resume breakpoint, and stop
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stepping.
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(currently_stepping): Remove handling_longjmp from expression.
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(insert_step_resume_breakpoint_at_sal): Update comment.
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(insert_longjmp_resume_breakpoint): New.
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* breakpoint.h (set_momentary_breakpoint_at_pc): Declare.
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(enable_longjmp_breakpoint, disable_longjmp_breakpoint): Delete
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declarations.
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(set_longjmp_breakpoint, delete_longjmp_breakpoint): Declare.
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(set_longjmp_resume_breakpoint): Delete declaration.
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* gdbthread.h (save_infrun_state): Remove handling_longjmp
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parameter.
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(load_infrun_state): Delete *handling_longjmp parameter.
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* thread.c (save_infrun_state): Remove handling_longjmp parameter.
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Update body.
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(load_infrun_state): Delete *handling_longjmp parameter. Update
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body.
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* infcmd.c (disable_longjmp_breakpoint_cleanup): Delete.
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(delete_longjmp_breakpoint_cleanup): New.
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(step_1): Call set_longjmp_breakpoint instead of
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enable_longjmp_breakpoint. Use delete_longjmp_breakpoint_cleanup
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instead of disable_longjmp_breakpoint_cleanup when making cleanup.
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(step_1_continuation): Pass thread id in the continuation args to
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step_once.
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(step_once): Add thread parameter. Pass thread id the the
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continuation.
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2008-05-04 Jan Kratochvil <jan.kratochvil@redhat.com>
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Set CU BASE_ADDRESS already from partial DIEs.
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112
gdb/breakpoint.c
112
gdb/breakpoint.c
@ -145,8 +145,6 @@ static int watchpoint_check (void *);
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static void maintenance_info_breakpoints (char *, int);
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static void create_longjmp_breakpoint (char *);
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static void create_overlay_event_breakpoint (char *);
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static int hw_breakpoint_used_count (void);
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@ -1486,6 +1484,14 @@ update_breakpoints_after_exec (void)
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continue;
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}
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/* Longjmp and longjmp-resume breakpoints are also meaningless
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after an exec. */
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if (b->type == bp_longjmp || b->type == bp_longjmp_resume)
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{
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delete_breakpoint (b);
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continue;
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}
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/* Don't delete an exec catchpoint, because else the inferior
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won't stop when it ought!
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@ -4081,7 +4087,6 @@ set_default_breakpoint (int valid, CORE_ADDR addr, struct symtab *symtab,
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bp_read_watchpoint
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bp_access_watchpoint
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bp_catch_exec
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bp_longjmp_resume
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bp_catch_fork
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bp_catch_vork */
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@ -4095,7 +4100,6 @@ breakpoint_address_is_meaningful (struct breakpoint *bpt)
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&& type != bp_read_watchpoint
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&& type != bp_access_watchpoint
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&& type != bp_catch_exec
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&& type != bp_longjmp_resume
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&& type != bp_catch_fork
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&& type != bp_catch_vfork);
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}
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@ -4453,20 +4457,9 @@ create_longjmp_breakpoint (char *func_name)
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struct breakpoint *b;
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struct minimal_symbol *m;
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if (func_name == NULL)
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b = create_internal_breakpoint (0, bp_longjmp_resume);
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else
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{
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if ((m = lookup_minimal_symbol_text (func_name, NULL)) == NULL)
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return;
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b = create_internal_breakpoint (SYMBOL_VALUE_ADDRESS (m), bp_longjmp);
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}
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b->enable_state = bp_disabled;
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b->silent = 1;
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if (func_name)
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b->addr_string = xstrdup (func_name);
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if ((m = lookup_minimal_symbol_text (func_name, NULL)) == NULL)
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return;
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set_momentary_breakpoint_at_pc (SYMBOL_VALUE_ADDRESS (m), bp_longjmp);
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update_global_location_list ();
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}
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@ -4475,30 +4468,31 @@ create_longjmp_breakpoint (char *func_name)
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set_longjmp_resume_breakpoint() to figure out where we are going. */
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void
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enable_longjmp_breakpoint (void)
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set_longjmp_breakpoint (void)
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{
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struct breakpoint *b;
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ALL_BREAKPOINTS (b)
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if (b->type == bp_longjmp)
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if (gdbarch_get_longjmp_target_p (current_gdbarch))
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{
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b->enable_state = bp_enabled;
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update_global_location_list ();
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create_longjmp_breakpoint ("longjmp");
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create_longjmp_breakpoint ("_longjmp");
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create_longjmp_breakpoint ("siglongjmp");
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create_longjmp_breakpoint ("_siglongjmp");
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}
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}
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/* Delete all longjmp breakpoints from THREAD. */
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void
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disable_longjmp_breakpoint (void)
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delete_longjmp_breakpoint (int thread)
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{
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struct breakpoint *b;
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struct breakpoint *b, *temp;
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ALL_BREAKPOINTS (b)
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if (b->type == bp_longjmp
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|| b->type == bp_longjmp_resume)
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{
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b->enable_state = bp_disabled;
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update_global_location_list ();
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}
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ALL_BREAKPOINTS_SAFE (b, temp)
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if (b->type == bp_longjmp)
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{
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if (b->thread == thread)
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delete_breakpoint (b);
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}
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}
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static void
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@ -4791,30 +4785,6 @@ hw_watchpoint_used_count (enum bptype type, int *other_type_used)
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return i;
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}
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/* Call this after hitting the longjmp() breakpoint. Use this to set
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a new breakpoint at the target of the jmp_buf.
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FIXME - This ought to be done by setting a temporary breakpoint
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that gets deleted automatically... */
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void
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set_longjmp_resume_breakpoint (CORE_ADDR pc, struct frame_id frame_id)
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{
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struct breakpoint *b;
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ALL_BREAKPOINTS (b)
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if (b->type == bp_longjmp_resume)
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{
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b->loc->requested_address = pc;
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b->loc->address = adjust_breakpoint_address (b->loc->requested_address,
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b->type);
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b->enable_state = bp_enabled;
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b->frame_id = frame_id;
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update_global_location_list ();
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return;
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}
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}
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void
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disable_watchpoints_before_interactive_call_start (void)
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{
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@ -4878,6 +4848,19 @@ set_momentary_breakpoint (struct symtab_and_line sal, struct frame_id frame_id,
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return b;
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}
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struct breakpoint *
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set_momentary_breakpoint_at_pc (CORE_ADDR pc, enum bptype type)
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{
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struct symtab_and_line sal;
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sal = find_pc_line (pc, 0);
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sal.pc = pc;
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sal.section = find_pc_overlay (pc);
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sal.explicit_pc = 1;
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return set_momentary_breakpoint (sal, null_frame_id, type);
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}
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/* Tell the user we have just set a breakpoint B. */
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@ -7529,10 +7512,8 @@ breakpoint_re_set_one (void *bint)
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default:
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printf_filtered (_("Deleting unknown breakpoint type %d\n"), b->type);
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/* fall through */
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/* Delete longjmp and overlay event breakpoints; they will be
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reset later by breakpoint_re_set. */
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case bp_longjmp:
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case bp_longjmp_resume:
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/* Delete overlay event breakpoints; they will be reset later by
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breakpoint_re_set. */
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case bp_overlay_event:
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delete_breakpoint (b);
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break;
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@ -7554,6 +7535,8 @@ breakpoint_re_set_one (void *bint)
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case bp_watchpoint_scope:
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case bp_call_dummy:
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case bp_step_resume:
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case bp_longjmp:
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case bp_longjmp_resume:
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break;
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}
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@ -7581,15 +7564,6 @@ breakpoint_re_set (void)
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}
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set_language (save_language);
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input_radix = save_input_radix;
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if (gdbarch_get_longjmp_target_p (current_gdbarch))
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{
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create_longjmp_breakpoint ("longjmp");
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create_longjmp_breakpoint ("_longjmp");
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create_longjmp_breakpoint ("siglongjmp");
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create_longjmp_breakpoint ("_siglongjmp");
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create_longjmp_breakpoint (NULL);
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}
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create_overlay_event_breakpoint ("_ovly_debug_event");
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}
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@ -687,6 +687,9 @@ extern void breakpoint_re_set_thread (struct breakpoint *);
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extern struct breakpoint *set_momentary_breakpoint
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(struct symtab_and_line, struct frame_id, enum bptype);
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extern struct breakpoint *set_momentary_breakpoint_at_pc
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(CORE_ADDR pc, enum bptype type);
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extern void set_ignore_count (int, int, int);
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extern void set_default_breakpoint (int, CORE_ADDR, struct symtab *, int);
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@ -755,12 +758,12 @@ extern void update_breakpoints_after_exec (void);
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inferior_ptid. */
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extern int detach_breakpoints (int);
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extern void enable_longjmp_breakpoint (void);
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extern void disable_longjmp_breakpoint (void);
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extern void set_longjmp_breakpoint (void);
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extern void delete_longjmp_breakpoint (int thread);
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extern void enable_overlay_breakpoints (void);
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extern void disable_overlay_breakpoints (void);
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extern void set_longjmp_resume_breakpoint (CORE_ADDR, struct frame_id);
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/* These functions respectively disable or reenable all currently
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enabled watchpoints. When disabled, the watchpoints are marked
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call_disabled. When reenabled, they are marked enabled.
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@ -50,7 +50,6 @@ struct thread_info
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int current_line;
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struct symtab *current_symtab;
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int trap_expected;
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int handling_longjmp;
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int stepping_over_breakpoint;
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/* This is set TRUE when a catchpoint of a shared library event
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@ -123,7 +122,6 @@ extern void save_infrun_state (ptid_t ptid,
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CORE_ADDR step_range_start,
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CORE_ADDR step_range_end,
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const struct frame_id *step_frame_id,
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int handling_longjmp,
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int another_trap,
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int stepping_through_solib_after_catch,
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bpstat stepping_through_solib_catchpoints,
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@ -139,7 +137,6 @@ extern void load_infrun_state (ptid_t ptid,
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CORE_ADDR *step_range_start,
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CORE_ADDR *step_range_end,
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struct frame_id *step_frame_id,
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int *handling_longjmp,
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int *another_trap,
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int *stepping_through_solib_affter_catch,
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bpstat *stepping_through_solib_catchpoints,
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41
gdb/infcmd.c
41
gdb/infcmd.c
@ -107,7 +107,7 @@ static void signal_command (char *, int);
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static void jump_command (char *, int);
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static void step_1 (int, int, char *);
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static void step_once (int skip_subroutines, int single_inst, int count);
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static void step_once (int skip_subroutines, int single_inst, int count, int thread);
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static void step_1_continuation (struct continuation_arg *arg, int error_p);
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static void next_command (char *, int);
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@ -693,9 +693,10 @@ nexti_command (char *count_string, int from_tty)
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}
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static void
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disable_longjmp_breakpoint_cleanup (void *ignore)
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delete_longjmp_breakpoint_cleanup (void *arg)
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{
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disable_longjmp_breakpoint ();
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int thread = * (int *) arg;
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delete_longjmp_breakpoint (thread);
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}
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static void
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@ -705,6 +706,7 @@ step_1 (int skip_subroutines, int single_inst, char *count_string)
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struct frame_info *frame;
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struct cleanup *cleanups = make_cleanup (null_cleanup, NULL);
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int async_exec = 0;
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int *thread_p = NULL;
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ERROR_NO_INFERIOR;
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@ -728,8 +730,17 @@ step_1 (int skip_subroutines, int single_inst, char *count_string)
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if (!single_inst || skip_subroutines) /* leave si command alone */
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{
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enable_longjmp_breakpoint ();
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make_cleanup (disable_longjmp_breakpoint_cleanup, 0 /*ignore*/);
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thread_p = xmalloc (sizeof (int));
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make_cleanup (xfree, thread_p);
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if (in_thread_list (inferior_ptid))
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*thread_p = pid_to_thread_id (inferior_ptid);
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else
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*thread_p = -1;
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set_longjmp_breakpoint ();
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make_cleanup (delete_longjmp_breakpoint_cleanup, thread_p);
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}
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/* In synchronous case, all is well, just use the regular for loop. */
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@ -790,10 +801,11 @@ which has no line number information.\n"), name);
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and handle them one at the time, through step_once(). */
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else
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{
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step_once (skip_subroutines, single_inst, count);
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/* We are running, and the contination is installed. It will
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step_once (skip_subroutines, single_inst, count, *thread_p);
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/* We are running, and the continuation is installed. It will
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disable the longjmp breakpoint as appropriate. */
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discard_cleanups (cleanups);
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xfree (thread_p);
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}
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}
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@ -808,10 +820,12 @@ step_1_continuation (struct continuation_arg *arg, int error_p)
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int count;
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int skip_subroutines;
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int single_inst;
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int thread;
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skip_subroutines = arg->data.integer;
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single_inst = arg->next->data.integer;
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count = arg->next->next->data.integer;
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thread = arg->next->next->next->data.integer;
|
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|
||||
if (error_p || !step_multi || !stop_step)
|
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{
|
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@ -819,11 +833,11 @@ step_1_continuation (struct continuation_arg *arg, int error_p)
|
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that is not stepping, or there are no further steps
|
||||
to make. Cleanup. */
|
||||
if (!single_inst || skip_subroutines)
|
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disable_longjmp_breakpoint ();
|
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delete_longjmp_breakpoint (thread);
|
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step_multi = 0;
|
||||
}
|
||||
else
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||||
step_once (skip_subroutines, single_inst, count - 1);
|
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step_once (skip_subroutines, single_inst, count - 1, thread);
|
||||
}
|
||||
|
||||
/* Do just one step operation. If count >1 we will have to set up a
|
||||
@ -834,11 +848,12 @@ step_1_continuation (struct continuation_arg *arg, int error_p)
|
||||
called in case of step n with n>1, after the first step operation has
|
||||
been completed.*/
|
||||
static void
|
||||
step_once (int skip_subroutines, int single_inst, int count)
|
||||
step_once (int skip_subroutines, int single_inst, int count, int thread)
|
||||
{
|
||||
struct continuation_arg *arg1;
|
||||
struct continuation_arg *arg2;
|
||||
struct continuation_arg *arg3;
|
||||
struct continuation_arg *arg4;
|
||||
struct frame_info *frame;
|
||||
|
||||
if (count > 0)
|
||||
@ -894,12 +909,16 @@ which has no line number information.\n"), name);
|
||||
(struct continuation_arg *) xmalloc (sizeof (struct continuation_arg));
|
||||
arg3 =
|
||||
(struct continuation_arg *) xmalloc (sizeof (struct continuation_arg));
|
||||
arg4 =
|
||||
(struct continuation_arg *) xmalloc (sizeof (struct continuation_arg));
|
||||
arg1->next = arg2;
|
||||
arg1->data.integer = skip_subroutines;
|
||||
arg2->next = arg3;
|
||||
arg2->data.integer = single_inst;
|
||||
arg3->next = NULL;
|
||||
arg3->next = arg4;
|
||||
arg3->data.integer = count;
|
||||
arg4->next = NULL;
|
||||
arg4->data.integer = thread;
|
||||
add_intermediate_continuation (step_1_continuation, arg1);
|
||||
}
|
||||
}
|
||||
|
||||
86
gdb/infrun.c
86
gdb/infrun.c
@ -279,6 +279,7 @@ struct regcache *stop_registers;
|
||||
|
||||
static int stop_print_frame;
|
||||
|
||||
/* Step-resume or longjmp-resume breakpoint. */
|
||||
static struct breakpoint *step_resume_breakpoint = NULL;
|
||||
|
||||
/* This is a cached copy of the pid/waitstatus of the last event
|
||||
@ -1380,7 +1381,6 @@ struct execution_control_state
|
||||
struct symtab_and_line sal;
|
||||
int current_line;
|
||||
struct symtab *current_symtab;
|
||||
int handling_longjmp; /* FIXME */
|
||||
ptid_t ptid;
|
||||
ptid_t saved_inferior_ptid;
|
||||
int step_after_step_resume_breakpoint;
|
||||
@ -1402,6 +1402,8 @@ static void insert_step_resume_breakpoint_at_frame (struct frame_info *step_fram
|
||||
static void insert_step_resume_breakpoint_at_caller (struct frame_info *);
|
||||
static void insert_step_resume_breakpoint_at_sal (struct symtab_and_line sr_sal,
|
||||
struct frame_id sr_id);
|
||||
static void insert_longjmp_resume_breakpoint (CORE_ADDR);
|
||||
|
||||
static void stop_stepping (struct execution_control_state *ecs);
|
||||
static void prepare_to_wait (struct execution_control_state *ecs);
|
||||
static void keep_going (struct execution_control_state *ecs);
|
||||
@ -1546,7 +1548,6 @@ init_execution_control_state (struct execution_control_state *ecs)
|
||||
ecs->stepping_over_breakpoint = 0;
|
||||
ecs->random_signal = 0;
|
||||
ecs->step_after_step_resume_breakpoint = 0;
|
||||
ecs->handling_longjmp = 0; /* FIXME */
|
||||
ecs->stepping_through_solib_after_catch = 0;
|
||||
ecs->stepping_through_solib_catchpoints = NULL;
|
||||
ecs->sal = find_pc_line (prev_pc, 0);
|
||||
@ -1601,7 +1602,7 @@ context_switch (struct execution_control_state *ecs)
|
||||
stepping_over_breakpoint, step_resume_breakpoint,
|
||||
step_range_start,
|
||||
step_range_end, &step_frame_id,
|
||||
ecs->handling_longjmp, ecs->stepping_over_breakpoint,
|
||||
ecs->stepping_over_breakpoint,
|
||||
ecs->stepping_through_solib_after_catch,
|
||||
ecs->stepping_through_solib_catchpoints,
|
||||
ecs->current_line, ecs->current_symtab);
|
||||
@ -1611,7 +1612,7 @@ context_switch (struct execution_control_state *ecs)
|
||||
&stepping_over_breakpoint, &step_resume_breakpoint,
|
||||
&step_range_start,
|
||||
&step_range_end, &step_frame_id,
|
||||
&ecs->handling_longjmp, &ecs->stepping_over_breakpoint,
|
||||
&ecs->stepping_over_breakpoint,
|
||||
&ecs->stepping_through_solib_after_catch,
|
||||
&ecs->stepping_through_solib_catchpoints,
|
||||
&ecs->current_line, &ecs->current_symtab);
|
||||
@ -2574,38 +2575,50 @@ process_event_stop_test:
|
||||
switch (what.main_action)
|
||||
{
|
||||
case BPSTAT_WHAT_SET_LONGJMP_RESUME:
|
||||
/* If we hit the breakpoint at longjmp, disable it for the
|
||||
duration of this command. Then, install a temporary
|
||||
breakpoint at the target of the jmp_buf. */
|
||||
if (debug_infrun)
|
||||
fprintf_unfiltered (gdb_stdlog, "infrun: BPSTAT_WHAT_SET_LONGJMP_RESUME\n");
|
||||
disable_longjmp_breakpoint ();
|
||||
/* If we hit the breakpoint at longjmp while stepping, we
|
||||
install a momentary breakpoint at the target of the
|
||||
jmp_buf. */
|
||||
|
||||
if (debug_infrun)
|
||||
fprintf_unfiltered (gdb_stdlog,
|
||||
"infrun: BPSTAT_WHAT_SET_LONGJMP_RESUME\n");
|
||||
|
||||
ecs->stepping_over_breakpoint = 1;
|
||||
|
||||
if (!gdbarch_get_longjmp_target_p (current_gdbarch)
|
||||
|| !gdbarch_get_longjmp_target (current_gdbarch,
|
||||
get_current_frame (), &jmp_buf_pc))
|
||||
{
|
||||
if (debug_infrun)
|
||||
fprintf_unfiltered (gdb_stdlog, "\
|
||||
infrun: BPSTAT_WHAT_SET_LONGJMP_RESUME (!gdbarch_get_longjmp_target)\n");
|
||||
keep_going (ecs);
|
||||
return;
|
||||
}
|
||||
|
||||
/* Need to blow away step-resume breakpoint, as it
|
||||
interferes with us */
|
||||
/* We're going to replace the current step-resume breakpoint
|
||||
with a longjmp-resume breakpoint. */
|
||||
if (step_resume_breakpoint != NULL)
|
||||
{
|
||||
delete_step_resume_breakpoint (&step_resume_breakpoint);
|
||||
}
|
||||
delete_step_resume_breakpoint (&step_resume_breakpoint);
|
||||
|
||||
/* Insert a breakpoint at resume address. */
|
||||
insert_longjmp_resume_breakpoint (jmp_buf_pc);
|
||||
|
||||
set_longjmp_resume_breakpoint (jmp_buf_pc, null_frame_id);
|
||||
ecs->handling_longjmp = 1; /* FIXME */
|
||||
keep_going (ecs);
|
||||
return;
|
||||
|
||||
case BPSTAT_WHAT_CLEAR_LONGJMP_RESUME:
|
||||
if (debug_infrun)
|
||||
fprintf_unfiltered (gdb_stdlog, "infrun: BPSTAT_WHAT_CLEAR_LONGJMP_RESUME\n");
|
||||
disable_longjmp_breakpoint ();
|
||||
ecs->handling_longjmp = 0; /* FIXME */
|
||||
break;
|
||||
fprintf_unfiltered (gdb_stdlog,
|
||||
"infrun: BPSTAT_WHAT_CLEAR_LONGJMP_RESUME\n");
|
||||
|
||||
gdb_assert (step_resume_breakpoint != NULL);
|
||||
delete_step_resume_breakpoint (&step_resume_breakpoint);
|
||||
|
||||
stop_step = 1;
|
||||
print_stop_reason (END_STEPPING_RANGE, 0);
|
||||
stop_stepping (ecs);
|
||||
return;
|
||||
|
||||
case BPSTAT_WHAT_SINGLE:
|
||||
if (debug_infrun)
|
||||
@ -3168,9 +3181,8 @@ process_event_stop_test:
|
||||
static int
|
||||
currently_stepping (struct execution_control_state *ecs)
|
||||
{
|
||||
return ((!ecs->handling_longjmp
|
||||
&& ((step_range_end && step_resume_breakpoint == NULL)
|
||||
|| stepping_over_breakpoint))
|
||||
return (((step_range_end && step_resume_breakpoint == NULL)
|
||||
|| stepping_over_breakpoint)
|
||||
|| ecs->stepping_through_solib_after_catch
|
||||
|| bpstat_should_step ());
|
||||
}
|
||||
@ -3257,8 +3269,8 @@ static void
|
||||
insert_step_resume_breakpoint_at_sal (struct symtab_and_line sr_sal,
|
||||
struct frame_id sr_id)
|
||||
{
|
||||
/* There should never be more than one step-resume breakpoint per
|
||||
thread, so we should never be setting a new
|
||||
/* There should never be more than one step-resume or longjmp-resume
|
||||
breakpoint per thread, so we should never be setting a new
|
||||
step_resume_breakpoint when one is already active. */
|
||||
gdb_assert (step_resume_breakpoint == NULL);
|
||||
|
||||
@ -3326,6 +3338,28 @@ insert_step_resume_breakpoint_at_caller (struct frame_info *next_frame)
|
||||
insert_step_resume_breakpoint_at_sal (sr_sal, frame_unwind_id (next_frame));
|
||||
}
|
||||
|
||||
/* Insert a "longjmp-resume" breakpoint at PC. This is used to set a
|
||||
new breakpoint at the target of a jmp_buf. The handling of
|
||||
longjmp-resume uses the same mechanisms used for handling
|
||||
"step-resume" breakpoints. */
|
||||
|
||||
static void
|
||||
insert_longjmp_resume_breakpoint (CORE_ADDR pc)
|
||||
{
|
||||
/* There should never be more than one step-resume or longjmp-resume
|
||||
breakpoint per thread, so we should never be setting a new
|
||||
longjmp_resume_breakpoint when one is already active. */
|
||||
gdb_assert (step_resume_breakpoint == NULL);
|
||||
|
||||
if (debug_infrun)
|
||||
fprintf_unfiltered (gdb_stdlog,
|
||||
"infrun: inserting longjmp-resume breakpoint at 0x%s\n",
|
||||
paddr_nz (pc));
|
||||
|
||||
step_resume_breakpoint =
|
||||
set_momentary_breakpoint_at_pc (pc, bp_longjmp_resume);
|
||||
}
|
||||
|
||||
static void
|
||||
stop_stepping (struct execution_control_state *ecs)
|
||||
{
|
||||
|
||||
@ -1,3 +1,8 @@
|
||||
2008-05-04 Pedro Alves <pedro@codesourcery.com>
|
||||
|
||||
* gdb.cp/annota2.exp: Adjust to breakpoints invalidations at
|
||||
different times.
|
||||
|
||||
2008-05-04 Jan Kratochvil <jan.kratochvil@redhat.com>
|
||||
|
||||
* gdb.dwarf2/dw2-ranges.S: Merge the secondary section with `.fini'.
|
||||
|
||||
@ -190,9 +190,9 @@ gdb_expect {
|
||||
#
|
||||
send_gdb "next\n"
|
||||
gdb_expect {
|
||||
-re "\r\n\032\032post-prompt\r\n\r\n\032\032starting\r\n\r\n(\032\032frames-invalid\r\n\r\n)*\032\032watchpoint 3\r\n.*atchpoint 3: a.x\r\n\r\nOld value = 0\r\nNew value = 1\r\n\r\n\032\032frame-begin 0 $hex\r\n\r\n\032\032frame-function-name\r\nmain\r\n\032\032frame-args\r\n \\(\\)\r\n\032\032frame-source-begin\r\n at \r\n\032\032frame-source-file\r\n.*$srcfile\r\n\032\032frame-source-file-end\r\n:\r\n\032\032frame-source-line\r\n$decimal\r\n\032\032frame-source-end\r\n\r\n\r\n\032\032source .*$srcfile.*beg:$hex\r\n\r\n\032\032frame-end\r\n\r\n\032\032stopped\r\n.*$gdb_prompt$" \
|
||||
-re "\r\n\032\032post-prompt\r\n\r\n(\032\032breakpoints-invalid\r\n\r\n)*\032\032starting\r\n\r\n(\032\032frames-invalid\r\n\r\n)*\032\032watchpoint 3\r\n.*atchpoint 3: a.x\r\n\r\nOld value = 0\r\nNew value = 1\r\n\r\n\032\032frame-begin 0 $hex\r\n\r\n\032\032frame-function-name\r\nmain\r\n\032\032frame-args\r\n \\(\\)\r\n\032\032frame-source-begin\r\n at \r\n\032\032frame-source-file\r\n.*$srcfile\r\n\032\032frame-source-file-end\r\n:\r\n\032\032frame-source-line\r\n$decimal\r\n\032\032frame-source-end\r\n\r\n\r\n\032\032source .*$srcfile.*beg:$hex\r\n\r\n\032\032frame-end\r\n\r\n\032\032stopped\r\n.*$gdb_prompt$" \
|
||||
{ pass "watch triggered on a.x" }
|
||||
-re "\r\n\032\032post-prompt\r\n\r\n\032\032starting\r\n\r\n\032\032frames-invalid\r\n\r\n\032\032source .*$srcfile.*beg:$hex\r\n\r\n\032\032frame-end\r\n\r\n\032\032stopped\r\n$gdb_prompt$" \
|
||||
-re "\r\n\032\032post-prompt\r\n\r\n(\032\032breakpoints-invalid\r\n\r\n)*\032\032starting\r\n\r\n\032\032frames-invalid\r\n\r\n\032\032source .*$srcfile.*beg:$hex\r\n\r\n\032\032frame-end\r\n\r\n\032\032stopped\r\n$gdb_prompt$" \
|
||||
{ kfail "gdb/38" "watch triggered on a.x" }
|
||||
-re ".*$gdb_prompt$" { fail "watch triggered on a.x" }
|
||||
timeout { fail "watch triggered on a.x (timeout)" }
|
||||
|
||||
@ -319,7 +319,6 @@ load_infrun_state (ptid_t ptid,
|
||||
CORE_ADDR *step_range_start,
|
||||
CORE_ADDR *step_range_end,
|
||||
struct frame_id *step_frame_id,
|
||||
int *handling_longjmp,
|
||||
int *stepping_over_breakpoint,
|
||||
int *stepping_through_solib_after_catch,
|
||||
bpstat *stepping_through_solib_catchpoints,
|
||||
@ -340,7 +339,6 @@ load_infrun_state (ptid_t ptid,
|
||||
*step_range_start = tp->step_range_start;
|
||||
*step_range_end = tp->step_range_end;
|
||||
*step_frame_id = tp->step_frame_id;
|
||||
*handling_longjmp = tp->handling_longjmp;
|
||||
*stepping_over_breakpoint = tp->stepping_over_breakpoint;
|
||||
*stepping_through_solib_after_catch =
|
||||
tp->stepping_through_solib_after_catch;
|
||||
@ -360,7 +358,6 @@ save_infrun_state (ptid_t ptid,
|
||||
CORE_ADDR step_range_start,
|
||||
CORE_ADDR step_range_end,
|
||||
const struct frame_id *step_frame_id,
|
||||
int handling_longjmp,
|
||||
int stepping_over_breakpoint,
|
||||
int stepping_through_solib_after_catch,
|
||||
bpstat stepping_through_solib_catchpoints,
|
||||
@ -381,7 +378,6 @@ save_infrun_state (ptid_t ptid,
|
||||
tp->step_range_start = step_range_start;
|
||||
tp->step_range_end = step_range_end;
|
||||
tp->step_frame_id = (*step_frame_id);
|
||||
tp->handling_longjmp = handling_longjmp;
|
||||
tp->stepping_over_breakpoint = stepping_over_breakpoint;
|
||||
tp->stepping_through_solib_after_catch = stepping_through_solib_after_catch;
|
||||
tp->stepping_through_solib_catchpoints = stepping_through_solib_catchpoints;
|
||||
|
||||
Loading…
Reference in New Issue
Block a user