old-cross-binutils/gdb/testsuite/gdb.threads/watchpoint-fork.h

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gdb/ Fix watchpoints across inferior fork. * amd64-linux-nat.c (update_debug_registers_callback): Update the comment for linux_nat_iterate_watchpoint_lwps. (amd64_linux_dr_set_control, amd64_linux_dr_set_addr): Use linux_nat_iterate_watchpoint_lwps. (amd64_linux_prepare_to_resume): New comment on Linux kernel. * i386-linux-nat.c (update_debug_registers_callback): Update the comment for linux_nat_iterate_watchpoint_lwps. (i386_linux_dr_set_control, i386_linux_dr_set_addr): Use linux_nat_iterate_watchpoint_lwps. (i386_linux_prepare_to_resume): New comment on Linux kernel. * i386-nat.c: Include inferior.h. (dr_mirror): Remove. (i386_inferior_data, struct i386_inferior_data) (i386_inferior_data_get): New. (i386_debug_reg_state): Use i386_inferior_data_get. (i386_cleanup_dregs, i386_update_inferior_debug_regs) (i386_insert_watchpoint, i386_remove_watchpoint) (i386_stopped_data_address, i386_insert_hw_breakpoint) (i386_remove_hw_breakpoint): New variable state, use i386_debug_reg_state instead of DR_MIRROR. * linux-nat.c (delete_lwp): New declaration. (num_lwps): Move here from downwards. (delete_lwp_cleanup): New. (linux_child_follow_fork): Create new child_lp, call linux_nat_new_thread and linux_nat_prepare_to_resume before calling PTRACE_DETACH. (num_lwps): Move upwards. (linux_nat_iterate_watchpoint_lwps): New. * linux-nat.h (linux_nat_iterate_watchpoint_lwps_ftype): New. (linux_nat_iterate_watchpoint_lwps_ftype): New declaration. gdb/testsuite/ Fix watchpoints across inferior fork. * gdb.threads/watchpoint-fork-child.c: New file. * gdb.threads/watchpoint-fork-mt.c: New file. * gdb.threads/watchpoint-fork-parent.c: New file. * gdb.threads/watchpoint-fork-st.c: New file. * gdb.threads/watchpoint-fork.exp: New file. * gdb.threads/watchpoint-fork.h: New file.
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/* Test case for forgotten hw-watchpoints after fork()-off of a process.
Copyright 2012-2016 Free Software Foundation, Inc.
gdb/ Fix watchpoints across inferior fork. * amd64-linux-nat.c (update_debug_registers_callback): Update the comment for linux_nat_iterate_watchpoint_lwps. (amd64_linux_dr_set_control, amd64_linux_dr_set_addr): Use linux_nat_iterate_watchpoint_lwps. (amd64_linux_prepare_to_resume): New comment on Linux kernel. * i386-linux-nat.c (update_debug_registers_callback): Update the comment for linux_nat_iterate_watchpoint_lwps. (i386_linux_dr_set_control, i386_linux_dr_set_addr): Use linux_nat_iterate_watchpoint_lwps. (i386_linux_prepare_to_resume): New comment on Linux kernel. * i386-nat.c: Include inferior.h. (dr_mirror): Remove. (i386_inferior_data, struct i386_inferior_data) (i386_inferior_data_get): New. (i386_debug_reg_state): Use i386_inferior_data_get. (i386_cleanup_dregs, i386_update_inferior_debug_regs) (i386_insert_watchpoint, i386_remove_watchpoint) (i386_stopped_data_address, i386_insert_hw_breakpoint) (i386_remove_hw_breakpoint): New variable state, use i386_debug_reg_state instead of DR_MIRROR. * linux-nat.c (delete_lwp): New declaration. (num_lwps): Move here from downwards. (delete_lwp_cleanup): New. (linux_child_follow_fork): Create new child_lp, call linux_nat_new_thread and linux_nat_prepare_to_resume before calling PTRACE_DETACH. (num_lwps): Move upwards. (linux_nat_iterate_watchpoint_lwps): New. * linux-nat.h (linux_nat_iterate_watchpoint_lwps_ftype): New. (linux_nat_iterate_watchpoint_lwps_ftype): New declaration. gdb/testsuite/ Fix watchpoints across inferior fork. * gdb.threads/watchpoint-fork-child.c: New file. * gdb.threads/watchpoint-fork-mt.c: New file. * gdb.threads/watchpoint-fork-parent.c: New file. * gdb.threads/watchpoint-fork-st.c: New file. * gdb.threads/watchpoint-fork.exp: New file. * gdb.threads/watchpoint-fork.h: New file.
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This file is part of GDB.
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 3 of the License, or
gdb/ Fix watchpoints across inferior fork. * amd64-linux-nat.c (update_debug_registers_callback): Update the comment for linux_nat_iterate_watchpoint_lwps. (amd64_linux_dr_set_control, amd64_linux_dr_set_addr): Use linux_nat_iterate_watchpoint_lwps. (amd64_linux_prepare_to_resume): New comment on Linux kernel. * i386-linux-nat.c (update_debug_registers_callback): Update the comment for linux_nat_iterate_watchpoint_lwps. (i386_linux_dr_set_control, i386_linux_dr_set_addr): Use linux_nat_iterate_watchpoint_lwps. (i386_linux_prepare_to_resume): New comment on Linux kernel. * i386-nat.c: Include inferior.h. (dr_mirror): Remove. (i386_inferior_data, struct i386_inferior_data) (i386_inferior_data_get): New. (i386_debug_reg_state): Use i386_inferior_data_get. (i386_cleanup_dregs, i386_update_inferior_debug_regs) (i386_insert_watchpoint, i386_remove_watchpoint) (i386_stopped_data_address, i386_insert_hw_breakpoint) (i386_remove_hw_breakpoint): New variable state, use i386_debug_reg_state instead of DR_MIRROR. * linux-nat.c (delete_lwp): New declaration. (num_lwps): Move here from downwards. (delete_lwp_cleanup): New. (linux_child_follow_fork): Create new child_lp, call linux_nat_new_thread and linux_nat_prepare_to_resume before calling PTRACE_DETACH. (num_lwps): Move upwards. (linux_nat_iterate_watchpoint_lwps): New. * linux-nat.h (linux_nat_iterate_watchpoint_lwps_ftype): New. (linux_nat_iterate_watchpoint_lwps_ftype): New declaration. gdb/testsuite/ Fix watchpoints across inferior fork. * gdb.threads/watchpoint-fork-child.c: New file. * gdb.threads/watchpoint-fork-mt.c: New file. * gdb.threads/watchpoint-fork-parent.c: New file. * gdb.threads/watchpoint-fork-st.c: New file. * gdb.threads/watchpoint-fork.exp: New file. * gdb.threads/watchpoint-fork.h: New file.
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(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, see <http://www.gnu.org/licenses/>. */
gdb/ Fix watchpoints across inferior fork. * amd64-linux-nat.c (update_debug_registers_callback): Update the comment for linux_nat_iterate_watchpoint_lwps. (amd64_linux_dr_set_control, amd64_linux_dr_set_addr): Use linux_nat_iterate_watchpoint_lwps. (amd64_linux_prepare_to_resume): New comment on Linux kernel. * i386-linux-nat.c (update_debug_registers_callback): Update the comment for linux_nat_iterate_watchpoint_lwps. (i386_linux_dr_set_control, i386_linux_dr_set_addr): Use linux_nat_iterate_watchpoint_lwps. (i386_linux_prepare_to_resume): New comment on Linux kernel. * i386-nat.c: Include inferior.h. (dr_mirror): Remove. (i386_inferior_data, struct i386_inferior_data) (i386_inferior_data_get): New. (i386_debug_reg_state): Use i386_inferior_data_get. (i386_cleanup_dregs, i386_update_inferior_debug_regs) (i386_insert_watchpoint, i386_remove_watchpoint) (i386_stopped_data_address, i386_insert_hw_breakpoint) (i386_remove_hw_breakpoint): New variable state, use i386_debug_reg_state instead of DR_MIRROR. * linux-nat.c (delete_lwp): New declaration. (num_lwps): Move here from downwards. (delete_lwp_cleanup): New. (linux_child_follow_fork): Create new child_lp, call linux_nat_new_thread and linux_nat_prepare_to_resume before calling PTRACE_DETACH. (num_lwps): Move upwards. (linux_nat_iterate_watchpoint_lwps): New. * linux-nat.h (linux_nat_iterate_watchpoint_lwps_ftype): New. (linux_nat_iterate_watchpoint_lwps_ftype): New declaration. gdb/testsuite/ Fix watchpoints across inferior fork. * gdb.threads/watchpoint-fork-child.c: New file. * gdb.threads/watchpoint-fork-mt.c: New file. * gdb.threads/watchpoint-fork-parent.c: New file. * gdb.threads/watchpoint-fork-st.c: New file. * gdb.threads/watchpoint-fork.exp: New file. * gdb.threads/watchpoint-fork.h: New file.
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Fix gdb.threads/watchpoint-fork*.c compilation This testcase currently fails to compile on Fedora 23: .../src/gdb/testsuite/gdb.threads/watchpoint-fork-mt.c: In function 'start': .../src/gdb/testsuite/gdb.threads/watchpoint-fork-mt.c:70:11: warning: implicit declaration of function 'pthread_yield' [-Wimplicit-function-declaration] i = pthread_yield (); ^ .../src/gdb/testsuite/gdb.threads/watchpoint-fork-child.c: In function 'forkoff': .../src/gdb/testsuite/gdb.threads/watchpoint-fork-child.c:114:8: warning: implicit declaration of function 'pthread_yield' [-Wimplicit-function-declaratio n] i = pthread_yield (); ^ /tmp/ccUkNIsI.o: In function `start': .../src/gdb/testsuite/gdb.threads/watchpoint-fork-mt.c:70: undefined reference to `pthread_yield' (...) collect2: error: ld returned 1 exit status UNSUPPORTED: gdb.threads/watchpoint-fork.exp: child: multithreaded: Couldn't compile watchpoint-fork-child.c: unrecognized error UNTESTED: gdb.threads/watchpoint-fork.exp: child: multithreaded: watchpoint-fork.exp testcase .../src/gdb/testsuite/gdb.threads/watchpoint-fork.exp completed i The glibc manual says, on _GNU_SOURCE: "You should define these macros by using ‘#define’ preprocessor directives at the top of your source code files. These directives must come before any #include of a system header file." I instead put it in the header all the .c files of the testcase must include anyway. gdb/testsuite/ChangeLog: 2016-03-01 Pedro Alves <palves@redhat.com> * gdb.threads/watchpoint-fork-child.c: Include "watchpoint-fork.h" before anything else. * gdb.threads/watchpoint-fork-mt.c: Likewise. Don't define _GNU_SOURCE here. * gdb.threads/watchpoint-fork-st.c: Include "watchpoint-fork.h" before anything else. * gdb.threads/watchpoint-fork.h: Define _GNU_SOURCE.
2016-03-01 17:25:56 +00:00
/* pthread_yield is a GNU extension. */
#define _GNU_SOURCE
gdb/ Fix watchpoints across inferior fork. * amd64-linux-nat.c (update_debug_registers_callback): Update the comment for linux_nat_iterate_watchpoint_lwps. (amd64_linux_dr_set_control, amd64_linux_dr_set_addr): Use linux_nat_iterate_watchpoint_lwps. (amd64_linux_prepare_to_resume): New comment on Linux kernel. * i386-linux-nat.c (update_debug_registers_callback): Update the comment for linux_nat_iterate_watchpoint_lwps. (i386_linux_dr_set_control, i386_linux_dr_set_addr): Use linux_nat_iterate_watchpoint_lwps. (i386_linux_prepare_to_resume): New comment on Linux kernel. * i386-nat.c: Include inferior.h. (dr_mirror): Remove. (i386_inferior_data, struct i386_inferior_data) (i386_inferior_data_get): New. (i386_debug_reg_state): Use i386_inferior_data_get. (i386_cleanup_dregs, i386_update_inferior_debug_regs) (i386_insert_watchpoint, i386_remove_watchpoint) (i386_stopped_data_address, i386_insert_hw_breakpoint) (i386_remove_hw_breakpoint): New variable state, use i386_debug_reg_state instead of DR_MIRROR. * linux-nat.c (delete_lwp): New declaration. (num_lwps): Move here from downwards. (delete_lwp_cleanup): New. (linux_child_follow_fork): Create new child_lp, call linux_nat_new_thread and linux_nat_prepare_to_resume before calling PTRACE_DETACH. (num_lwps): Move upwards. (linux_nat_iterate_watchpoint_lwps): New. * linux-nat.h (linux_nat_iterate_watchpoint_lwps_ftype): New. (linux_nat_iterate_watchpoint_lwps_ftype): New declaration. gdb/testsuite/ Fix watchpoints across inferior fork. * gdb.threads/watchpoint-fork-child.c: New file. * gdb.threads/watchpoint-fork-mt.c: New file. * gdb.threads/watchpoint-fork-parent.c: New file. * gdb.threads/watchpoint-fork-st.c: New file. * gdb.threads/watchpoint-fork.exp: New file. * gdb.threads/watchpoint-fork.h: New file.
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#ifdef THREAD
#include <pthread.h>
extern volatile int step;
extern pthread_t thread;
#endif /* THREAD */
extern volatile int var;
extern void marker (void);
extern void forkoff (int nr);