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target_ops: Use bool throughout

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After the previous target_ops/C++ patches are all squashed and merged,
this one can go in separately.

This patch adjusts all the target methods to return bool instead of int
when they're returning a boolean.

gdb/ChangeLog:
2018-05-02  Pedro Alves  <palves@redhat.com>

	* target.h (target_ops)
	<stopped_by_sw_breakpoint, supports_stopped_by_sw_breakpoint,
	stopped_by_hw_breakpoint, supports_stopped_by_hw_breakpoint,
	stopped_by_watchpoint, have_continuable_watchpoint,
	stopped_data_address, watchpoint_addr_within_range,
	can_accel_watchpoint_condition, can_run, thread_alive,
	has_all_memory, has_memory, has_stack, has_registers,
	has_execution, can_async_p, is_async_p, supports_non_stop,
	always_non_stop_p, can_execute_reverse, supports_multi_process,
	supports_enable_disable_tracepoint,
	supports_disable_randomization, supports_string_tracing,
	supports_evaluation_of_breakpoint_conditions,
	can_run_breakpoint_commands, filesystem_is_local,
	can_download_tracepoint, get_trace_state_variable_value,
	set_trace_notes, get_tib_address, use_agent, can_use_agent,
	record_is_replaying, record_will_replay,
	augmented_libraries_svr4_read>: Adjust to return bool.
	* aarch64-linux-nat.c: All implementations adjusted.
	* aix-thread.c: All implementations adjusted.
	* arm-linux-nat.c: All implementations adjusted.
	* breakpoint.c: All implementations adjusted.
	* bsd-kvm.c: All implementations adjusted.
	* bsd-uthread.c: All implementations adjusted.
	* corelow.c: All implementations adjusted.
	* ctf.c: All implementations adjusted.
	* darwin-nat.c: All implementations adjusted.
	* darwin-nat.h: All implementations adjusted.
	* exec.c: All implementations adjusted.
	* fbsd-nat.c: All implementations adjusted.
	* fbsd-nat.h: All implementations adjusted.
	* gnu-nat.c: All implementations adjusted.
	* gnu-nat.h: All implementations adjusted.
	* go32-nat.c: All implementations adjusted.
	* ia64-linux-nat.c: All implementations adjusted.
	* inf-child.c: All implementations adjusted.
	* inf-child.h: All implementations adjusted.
	* inf-ptrace.c: All implementations adjusted.
	* inf-ptrace.h: All implementations adjusted.
	* linux-nat.c: All implementations adjusted.
	* linux-nat.h: All implementations adjusted.
	* mips-linux-nat.c: All implementations adjusted.
	* nto-procfs.c: All implementations adjusted.
	* ppc-linux-nat.c: All implementations adjusted.
	* procfs.c: All implementations adjusted.
	* ravenscar-thread.c: All implementations adjusted.
	* record-btrace.c: All implementations adjusted.
	* record-full.c: All implementations adjusted.
	* remote-sim.c: All implementations adjusted.
	* remote.c: All implementations adjusted.
	* s390-linux-nat.c: All implementations adjusted.
	* sol-thread.c: All implementations adjusted.
	* spu-multiarch.c: All implementations adjusted.
	* target-delegates.c: All implementations adjusted.
	* target.c: All implementations adjusted.
	* target.h: All implementations adjusted.
	* tracefile-tfile.c: All implementations adjusted.
	* tracefile.c: All implementations adjusted.
	* tracefile.h: All implementations adjusted.
	* windows-nat.c: All implementations adjusted.
	* x86-linux-nat.h: All implementations adjusted.
	* x86-nat.h: All implementations adjusted.
This commit is contained in:
Pedro Alves 2018-05-03 00:37:26 +01:00
parent ad6a4e2dd6
commit 57810aa7e8
47 changed files with 772 additions and 708 deletions
Download patch file Download diff file Expand all files Collapse all files

15
gdb/s390-linux-nat.c
View file

@ -122,9 +122,9 @@ public:
int remove_hw_breakpoint (struct gdbarch *, struct bp_target_info *)
override;
int region_ok_for_hw_watchpoint (CORE_ADDR, int) override;
int have_continuable_watchpoint () { return 1; }
int stopped_by_watchpoint () override;
int watchpoint_addr_within_range (CORE_ADDR, CORE_ADDR, int) override;
bool have_continuable_watchpoint () { return 1; }
bool stopped_by_watchpoint () override;
bool watchpoint_addr_within_range (CORE_ADDR, CORE_ADDR, int) override;
int insert_watchpoint (CORE_ADDR, int, enum target_hw_bp_type,
struct expression *) override;
int remove_watchpoint (CORE_ADDR, int, enum target_hw_bp_type,
@ -657,21 +657,20 @@ s390_show_debug_regs (int tid, const char *where)
per_info.lowcore.words.access_id);
}
int
bool
s390_linux_nat_target::stopped_by_watchpoint ()
{
struct s390_debug_reg_state *state
= s390_get_debug_reg_state (ptid_get_pid (inferior_ptid));
per_lowcore_bits per_lowcore;
ptrace_area parea;
int result;
if (show_debug_regs)
s390_show_debug_regs (s390_inferior_tid (), "stop");
/* Speed up common case. */
if (VEC_empty (s390_watch_area, state->watch_areas))
return 0;
return false;
parea.len = sizeof (per_lowcore);
parea.process_addr = (addr_t) & per_lowcore;
@ -679,8 +678,8 @@ s390_linux_nat_target::stopped_by_watchpoint ()
if (ptrace (PTRACE_PEEKUSR_AREA, s390_inferior_tid (), &parea, 0) < 0)
perror_with_name (_("Couldn't retrieve watchpoint status"));
result = (per_lowcore.perc_storage_alteration == 1
&& per_lowcore.perc_store_real_address == 0);
bool result = (per_lowcore.perc_storage_alteration == 1
&& per_lowcore.perc_store_real_address == 0);
if (result)
{