Only define PTRACE_GET_THREAD_AREA is not already defined.
Various style fixes in code and comments and some additional
spelling fixes in comments. Move after functions dealing with
debug registers.
* x86-64-linux-nat.c (ps_get_thread_area): Don't define as extern.
Fix coding-style.
* config/i386/nm-linux.h (LINUX_CHILD_POST_STARTUP_INFERIOR): Define.
* config/nm-linux.h (CHILD_POST_STARTUP_INFERIOR, CHILD_POST_ATTACH)
(CHILD_FOLLOW_FORK, KILL_INFERIOR): Define.
* i386-linux-nat.c: Include "linux-nat.h".
(child_post_startup_inferior): New function.
* i386-nat.c (child_post_startup_inferior): Wrap in #ifdef.
* infptrace.c (kill_inferior): Wrap in #ifdef.
* lin-lwp.c (lin_lwp_attach_lwp): Call child_post_attach after
attaching to each LWP.
(child_wait, lin_lwp_wait): Call linux_handle_extended_wait.
(init_lin_lwp_ops): Fill in some more operations.
* linux-nat.h (linux_enable_event_reporting)
(linux_handle_extended_wait, linux_child_post_startup_inferior): New
prototypes.
* linux-nat.c (linux_enable_event_reporting): New function.
(child_post_attach, linux_child_post_startup_inferior)
(child_post_startup_inferior, child_follow_fork)
(linux_handle_extended_wait, kill_inferior): New functions.
* acconfig.h: Add HAVE_TKILL_SYSCALL definition check.
* config.in: Regenerated.
* configure.in: Add test for syscall function and check for
__NR_tkill macro in <syscall.h> to set HAVE_TKILL_SYSCALL.
* configure: Regenerated.
* lin-lwp.c [HAVE_TKILL_SYSCALL]: Include <unistd.h> and
<sys/syscall.h>.
(kill_lwp): New function that uses tkill syscall or
uses kill, depending on whether threading model is nptl or not.
All callers of kill() changed to use kill_lwp().
(lin_lwp_wait): Make special check when WIFEXITED occurs to
see if all threads have already exited in the nptl model.
(stop_and_resume_callback): New callback function used by the
lin_lwp_wait thread exit handling code.
(stop_wait_callback): Check for threads already having exited and
delete such threads fromt the lwp list when discovered.
(stop_callback): Don't assert retcode of kill call.
Roland McGrath <roland@redhat.com>
* i386-linux-nat.c (ps_get_thread_area): New function needed by
nptl libthread_db.
readable.
(fetch_register, store_register, fetch_inferior_registers,
store_inferior_registers): Get rid of assignment in if-statement.
(store_register): Fix typo in error message.
defined.
(regmap): Extend to cover all registers.
(PT_READ_U, PT_WRITE_U, PTRACE_XFER_TYPE,
OLD_CANNOT_FETCH_REGISTERS, OLD_CANNOT_STORE_REGISTERS): Remove
definitions.
(fetch_register, sore_register): Simplify.
(old_fetch_inferior_registers, old_store_inferior_registers):
Remove functions.
(cannot_fetch_register, cannot_store_register): Change
implementation to use regmap array to decide which registers
cannot be fetched/stored. This removes $orig_eax from the
registers that cannot be fetched/stored.
(fetch_inferior_registers): Call fetch_register directly instead
of calling old_fetch_inferior_registers.
(store_inferior_registers): Call store_register directly instead
of calling old_store_inferior_registers.
(i386_linux_dr_get): Replace PT_READ_U with PTRACE_PEEKUSER.
(i386_linux_dr_set): Replace PT_WRITE_U with PTRACE_POKEUSER.
* config/i386/nm-linux.h (U_REGS_OFFSET): Remove definition.
value to `unsigned long'. Change type of `value' to `unsigned
long'.
(i386_linux_dr_set): Change type of second argument to `unsigned
long'.
(i386_linux_dr_set_control): Change type of first argument to
`unsigned long'.
(i386_linux_dr_get_status): Change type of return value to
unsigned long.
* config/i386/nm-linux.h (i386_linux_dr_set_control,
i386_linux_dr_get_status): Adjust prototypes accordingly.
and watchpoints on x86 targets.
* i386-linux-nat.c: Doc fixes. Include "gdb_assert.h".
[HAVE_SYS_DEBUGREG_H]: Include <sys/debugreg.h>.
(DR_FIRSTADDR, DR_LASTADDR, DR_STATUS, DR_CONTROL): Define to
appropriate value if not already defined.
(register_u_addr): New function.
(kernel_u_size): New function.
(i386_linux_dr_get, i386_linux_dr_set): New functions.
(i386_linux_dr_set_control, i386_linux_dr_set_addr,
i386_linux_reset_addr, i386_linux_dr_get_status): New functions.
* config/i386/nm-linux.h: Don't include "nm-i386v.h".
(I386_USE_GENERIC_WATCHPOINTS): Define and include "nm-i386.h".
(TARGET_HAS_HARDWARE_WATCHPOINTS,
TARGET_CAN_USE_HARDWARE_WATCHPOINTS, HAVE_CONTINUABLE_WATCHPOINT,
STOPPED_BY_WATCHPOINT, target_insert_watchpoint,
target_remove_watchpoint): Remove macros.
(i386_stopped_by_watchpoint, i386_insert_watchpoint,
i386_remove_watchpoint): Remove prototypes.
(register_u_addr): New prototype.
(REGISTER_U_ADDR): Define in terms of register_u_addr.
(i386_linux_dr_set_control, i386_linux_dr_set_addr,
i386_linux_reset_addr, i386_linux_dr_get_status): New prototypes.
(I386_DR_LOW_SET_CONTROL, I386_DR_LOW_SET_ADDR,
I386_DR_LOW_RESET_ADDR, I386_DR_LOW_GET_STATUS): New macros.
* config/i386/linux.mh (NATDEPFILES): Replace i386v-nat.o with
i386-nat.o.
OLD_CANNOT_FETCH_REGISTER): New definitions for accessible registers
when accessing the registers via the U area.
(fetch_register, store_register): Use them.
(cannot_fetch_register, cannot_store_register): New functions,
all registers should be accessible if we have GETREGS support.
* config/i386/nm-linux.h: Use cannot_fetch/store_register for
CANNOT_FETCH/STORE_REGISTER definitions.
* i386-linux-nat.c (i386_linux_skip_solib_resolver,
skip_hurd_resolver, find_minsym_and_objfile): Move these
solib functions into i386-linux-tdep.c for cross debugging.
* i386-linux-tdep.c: Receive the above functions.
* i386-linux-nat.c: Various doc fixes. Include "i387-nat.h".
(GETFPXREGS_SUPPLIES): Renamed from GETXFPREGS_SUPPLIES.
(have_ptrace_getfpxregs): Renamed from have_ptrace_getxfpregs.
(convert_to_gregset): Removed. Moved logic to ...
(fill_gregset): ... here. Simplified function.
(fetch_regs): Use perror_with_name for error reporting.
(store_regs): Add `regno' parameter. Use perror_with_name for
error reporting. Call fill_gregset instead of convert_to_gregset.
(FPREG_ADDR): Remove.
(supply_fpregset): Implement by calling i387_supply_fsave.
(convert_to_fpregset): Remove.
(fill_fpregset): Implement by calling i387_fill_fsave.
(fetch_fpregs): Use perror_with_name fro error reporting.
(store_fpregs) Add `regno' parameter. Use perror_with_name fro
error reporting. Call fill_fpregset instead of
convert_to_fpregset.
(supply_xfpregset, convert_to_xfpregset): Removed.
(supply_fpxregset, fill_fpxregset): New functions.
(fetch_fpxregs): Renamed from fetch_xfpregs. Use perror_with_name
for error reporting. Call supply_fpxregset instead of
supply_xfpregset.
(store_xfpregs): Removed.
(store_fpxregs): New function.
(fetch_inferior_registers): Adjust for xfp -> fpx change. Tweak
message in call to internal_error.
(store_inferior_registers): Adjust for xfp ->fpx change. Pass
REGNO to store_regs, store_fpregs and store_fpxregs.
(fetch_core_registers): Adjust for xfp -> fpx change.
* acconfig.h (HAVE_PTRACE_GETFPXREGS): Renamed from
HAVE_PTRACE_GETXFPREGS.
* config.in: Regenerated.
* configure.in: Replace check for PTRACE_GETXFPREGS with check for
PTRACE_GETFPXREGS. Remove comment about Cygnus SSE extensions.
* configure: Regenerated.
* config/i386/linux.mh (NATDEPFILES): Add i387-nat.o.
* config/i386/tm-linux.h: Base definition of HAVE_SSE_REGS on
HAVE_PTRACE_GETFPXREGS instead of HAVE_PTRACE_GETXFPREGS.
* gregset.h: New file. Typedefs for gdb_gregset_t and
gdb_fpregset_t, prototypes for supply_gregset and friends.
* procfs.c: Include gregset.h. Delete local prototypes for
supply_gregset etc., and local typedef gdb_gregset_t etc.
* sol-thread.c: Include gregset.h, delete local prototypes,
add appropriate casts to gdb_gregset_t.
* uw-thread.c, lin-thread.c, core-sol2.c, core-regset.c,
sparc-tdep.c, ptx4-nat.c, ppc-linux-nat.c, mipsv4-nat.c,
m88k-nat.c, m68klinux-nat.c, m68k-tdep.c, irix5-nat.c,
irix4-nat.c, ia64-linux-nat.c, i386v4-nat.c, cxux-nat.c,
arm-linux-nat.c, alpha-nat.c: Include gregset.h.
* config/nm-linux.h: Define GDB_GREGSET_T, GDB_FPREGET_T.
* config/sparc/tm-sun4sol2.h: Ditto.
(LINUX_SIGTRAMP_INSN0, LINUX_SIGTRAMP_OFFSET0,
LINUX_SIGTRAMP_INSN1, LINUX_SIGTRAMP_OFFSET1,
LINUX_SIGTRAMP_INSN2, LINUX_SIGTRAMP_OFFSET2, linux_sigtramp_code,
LINUX_SIGTRAMP_LEN, i386_linux_sigtramp_start,
LINUX_RT_SIGTRAMP_INSN0, LINUX_RT_SIGTRAMP_OFFSET0,
LINUX_RT_SIGTRAMP_INSN1, LINUX_RT_SIGTRAMP_OFFSET1,
linux_rt_sigtramp_code, LINUX_RT_SIGTRAMP_LEN,
i386_linux_rt_sigtramp_start, i386_linux_in_sigtramp,
i386_linux_sigcontext_addr, LINUX_SIGCONTEXT_PC_OFFSET,
i386_linux_sigtramp_saved_pc, LINUX_SIGCONTEXT_SP_OFFSET,
i386_linux_sigtramp_saved_sp): Deleted. Folks rightly pointed
out that these are target-dependent, and useful in non-native
configurations. Moved to...
* i386-linux-tdep.c: ... Here, a new file.
* Makefile.in (ALLDEPFILES): Add i386-linux-tdep.c.
(i386-linux-tdep.o): New rule.
(i386-linux-nat.o): We no longer depend on frame.h.
* config/i386/linux.mt (TDEPFILES): Add i386-linux-tdep.o.
LINUX_SIGTRAMP_INSN1, LINUX_SIGTRAMP_OFFSET1,
LINUX_SIGTRAMP_INSN2, LINUX_SIGTRAMP_OFFSET2, linux_sigtramp_code,
LINUX_SIGTRAMP_LEN, i386_linux_sigtramp_start,
LINUX_RT_SIGTRAMP_INSN0, LINUX_RT_SIGTRAMP_OFFSET0,
LINUX_RT_SIGTRAMP_INSN1, LINUX_RT_SIGTRAMP_OFFSET1,
linux_rt_sigtramp_code, LINUX_RT_SIGTRAMP_LEN,
i386_linux_rt_sigtramp_start, i386_linux_in_sigtramp,
i386_linux_sigcontext_addr, LINUX_SIGCONTEXT_PC_OFFSET,
i386_linux_sigtramp_saved_pc, LINUX_SIGCONTEXT_SP_OFFSET,
i386_linux_sigtramp_saved_sp): Deleted. These all implement
Linux-specific signal trampoline detection, and should be moved to...
* i386-linux-nat.c: ... here.
* config/i386/tm-linux.h (I386_LINUX_SIGTRAMP): No need to define
this any more, since we're not enabling OS-specific code in a
OS-independent file.
Allow GDB to run on Linux 2.0 again.
* config.in: Add HAVE_PTRACE_GETREGS.
* configure.in: Check if <sys/ptrace.h> defines PTRACE_GETREGS.
* configure: Regenerated.
* config/i386/nm-linux.h (CANNOT_FETCH_REGISTER,
CANNOT_STORE_REGISTER): New defines.
* i386-linux-nat.c (have_ptrace_getregs): New variable.
(PTRACE_XFER_TYPE, CANNOT_FETCH_REGISTER, fetch_register,
old_fetch_inferior_registers, CANNOT_STORE_REGISTER,
store_register, old_store_inferior_registers): Copied over from
`inptrace.c' as a temporary measure.
(fetch_regs, store_regs, fetch_fpregs, store_fpregs):
Conditionalize on HAVE_PTRACE_GETREGS. Define stubs if
HAVE_PTRACE_GETREGS isn't defined.
(fetch_regs): Reset `have_ptrace_getregs' if ptrace call fails
with EIO.
(fetch_inferior_registers, store_inferior_registers): Fall back on
the method use in `infptrace.c' (by calling
old_fetch_inferior_registers and old_store_inferior_registers) if
`have_ptrace_getregs' isn't set.
