Darwin: Remove unused variables [-Werror=unused-variable]
Building GDB with --host=x86_64-apple-darwin15 using G++ 5.3.0 runs
into a number of -Werror=unused-variable warnings/errors:
../../src/gdb/i386-darwin-nat.c: In function 'void i386_darwin_dr_set(int, CORE_ADDR)':
../../src/gdb/i386-darwin-nat.c:283:7: error: unused variable 'current_pid' [-Werror=unused-variable]
int current_pid;
^
[etc, etc.]
This commit fixes all such warnings.
gdb/ChangeLog:
2018-09-30 Pedro Alves <palves@redhat.com>
* darwin-nat-info.c (darwin_debug_regions_recurse)
(info_mach_exceptions_command): Remove unused local variables.
* darwin-nat.c (darwin_decode_notify_message)
(darwin_nat_target::resume, darwin_nat_target::mourn_inferior)
(darwin_stop_inferior, darwin_setup_exceptions)
(darwin_nat_target::kill, darwin_attach_pid, darwin_ptrace_him)
(darwin_nat_target::attach, darwin_nat_target::detach)
(darwin_read_write_inferior, darwin_read_dyld_info): Remove unused
local variables.
* i386-darwin-nat.c (i386_darwin_dr_set): Remove unused local
variables.
This commit is contained in:
Pedro Alves
parent
105cd1d7a6
commit
dd20378271
@ -1,3 +1,17 @@
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2018-09-30 Pedro Alves <palves@redhat.com>
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* darwin-nat-info.c (darwin_debug_regions_recurse)
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(info_mach_exceptions_command): Remove unused local variables.
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* darwin-nat.c (darwin_decode_notify_message)
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(darwin_nat_target::resume, darwin_nat_target::mourn_inferior)
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(darwin_stop_inferior, darwin_setup_exceptions)
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(darwin_nat_target::kill, darwin_attach_pid, darwin_ptrace_him)
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(darwin_nat_target::attach, darwin_nat_target::detach)
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(darwin_read_write_inferior, darwin_read_dyld_info): Remove unused
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local variables.
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* i386-darwin-nat.c (i386_darwin_dr_set): Remove unused local
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variables.
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2018-09-29 Tom Tromey <tom@tromey.com>
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* README: Remove some leftover text.
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@ -607,14 +607,12 @@ darwin_debug_regions (task_t task, mach_vm_address_t address, int max)
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static void
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darwin_debug_regions_recurse (task_t task)
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{
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mach_vm_address_t r_addr;
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mach_vm_address_t r_start;
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mach_vm_size_t r_size;
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natural_t r_depth;
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mach_msg_type_number_t r_info_size;
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vm_region_submap_short_info_data_64_t r_info;
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kern_return_t kret;
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int ret;
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struct ui_out *uiout = current_uiout;
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ui_out_emit_table table_emitter (uiout, 9, -1, "regions");
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@ -792,8 +790,6 @@ disp_exception (const darwin_exception_info *info)
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static void
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info_mach_exceptions_command (const char *args, int from_tty)
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{
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int i;
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task_t task;
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kern_return_t kret;
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darwin_exception_info info;
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@ -746,11 +746,7 @@ darwin_decode_notify_message (mach_msg_header_t *hdr, struct inferior **pinf)
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NDR_record_t *ndr = (NDR_record_t *)(hdr + 1);
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integer_t *data = (integer_t *)(ndr + 1);
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struct inferior *inf;
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darwin_thread_t *thread;
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task_t task_port;
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thread_t thread_port;
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kern_return_t kret;
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int i;
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/* Check message header. */
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if (hdr->msgh_bits & MACH_MSGH_BITS_COMPLEX)
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@ -939,12 +935,8 @@ void
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darwin_nat_target::resume (ptid_t ptid, int step, enum gdb_signal signal)
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{
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struct target_waitstatus status;
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int pid;
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kern_return_t kret;
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int res;
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int nsignal;
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struct inferior *inf;
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inferior_debug
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(2, _("darwin_resume: pid=%d, tid=0x%lx, step=%d, signal=%d\n"),
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@ -1361,7 +1353,6 @@ darwin_nat_target::mourn_inferior ()
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darwin_inferior *priv = get_darwin_inferior (inf);
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kern_return_t kret;
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mach_port_t prev;
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int i;
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/* Deallocate threads. */
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darwin_deallocate_threads (inf);
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@ -1420,8 +1411,6 @@ darwin_stop_inferior (struct inferior *inf)
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{
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struct target_waitstatus wstatus;
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ptid_t ptid;
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kern_return_t kret;
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int status;
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int res;
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darwin_inferior *priv = get_darwin_inferior (inf);
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@ -1502,7 +1491,6 @@ darwin_setup_exceptions (struct inferior *inf)
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{
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darwin_inferior *priv = get_darwin_inferior (inf);
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kern_return_t kret;
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int traps_expected;
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exception_mask_t mask;
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kret = darwin_save_exception_ports (priv);
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@ -1532,7 +1520,6 @@ darwin_nat_target::kill ()
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struct target_waitstatus wstatus;
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ptid_t ptid;
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kern_return_t kret;
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int status;
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int res;
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if (inferior_ptid == null_ptid)
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@ -1611,10 +1598,6 @@ static void
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darwin_attach_pid (struct inferior *inf)
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{
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kern_return_t kret;
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mach_port_t prev_port;
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int traps_expected;
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mach_port_t prev_not;
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exception_mask_t mask;
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darwin_inferior *priv = new darwin_inferior;
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inf->priv.reset (priv);
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@ -1800,10 +1783,6 @@ darwin_pre_ptrace (void)
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static void
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darwin_ptrace_him (int pid)
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{
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task_t itask;
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kern_return_t kret;
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mach_port_t prev_port;
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int traps_expected;
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struct inferior *inf = current_inferior ();
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darwin_attach_pid (inf);
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@ -1927,11 +1906,7 @@ void
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darwin_nat_target::attach (const char *args, int from_tty)
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{
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pid_t pid;
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pid_t pid2;
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int wstatus;
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int res;
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struct inferior *inf;
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kern_return_t kret;
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pid = parse_pid_to_attach (args);
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@ -1987,7 +1962,6 @@ darwin_nat_target::attach (const char *args, int from_tty)
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void
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darwin_nat_target::detach (inferior *inf, int from_tty)
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{
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pid_t pid = inferior_ptid.pid ();
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darwin_inferior *priv = get_darwin_inferior (inf);
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kern_return_t kret;
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int res;
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@ -2056,11 +2030,6 @@ darwin_read_write_inferior (task_t task, CORE_ADDR addr,
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{
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kern_return_t kret;
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mach_vm_size_t res_length = 0;
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pointer_t copied;
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mach_msg_type_number_t copy_count;
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mach_vm_size_t remaining_length;
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mach_vm_address_t region_address;
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mach_vm_size_t region_length;
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inferior_debug (8, _("darwin_read_write_inferior(task=0x%x, %s, len=%s)\n"),
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task, core_addr_to_string (addr), pulongest (length));
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@ -2214,7 +2183,6 @@ darwin_read_dyld_info (task_t task, CORE_ADDR addr, gdb_byte *rdaddr,
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{
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struct task_dyld_info task_dyld_info;
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mach_msg_type_number_t count = TASK_DYLD_INFO_COUNT;
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int sz = TASK_DYLD_INFO_COUNT * sizeof (natural_t);
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kern_return_t kret;
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if (addr != 0 || length > sizeof (mach_vm_address_t))
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@ -280,7 +280,6 @@ i386_darwin_nat_target::store_registers (struct regcache *regcache,
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static void
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i386_darwin_dr_set (int regnum, CORE_ADDR value)
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{
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int current_pid;
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thread_t current_thread;
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x86_debug_state_t dr_regs;
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kern_return_t ret;
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