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2009-06-07 Pedro Alves <pedro@codesourcery.com>

Browse Source 
* procfs.h: New.
	* proc-utils.h (procfs_first_available): Don't declare here.
	* sol-thread.c: Include procfs.h instead of sys/procfs.h and
	proc-utils.h.
	* procfs.c: Include procfs.h.
	(procfs_target): Make it public.  Don't register
	procfs_can_use_hw_breakpoint here.
	(proc_set_watchpoint): Check for PCWATCH or PIOCSWATCH being
	defined instead of TARGET_HAS_HARDWARE_WATCHPOINTS.
	(procfs_can_use_hw_breakpoint): Remove check of
	TARGET_HAS_HARDWARE_WATCHPOINTS.
	(procfs_use_watchpoints): Register procfs_can_use_hw_breakpoint
	here.
	(_initialize_procfs): Don't add the procfs target here.

	* i386-sol2-nat.c: Include target.h and procfs.h.
	(_initialize_amd64_sol2_nat): Install the procfs target here,
	customized with watchpoints support.
	* irix5-nat.c: Include target.h.
	(_initialize_core_irix5): Rename to ...
	(_initialize_irix5_nat): ... this.  Install the procfs target
	here, customized with watchpoints support.
	* alpha-nat.c: Include procfs.h.
	(_initialize_core_alpha): Rename to...
	(_initialize_alpha_nat): ... this.  Install the procfs target
	here, customized with watchpoints support.
	* sparc-sol2-nat.c: Include target.h and procfs.h.
	(_initialize_sparc_sol2_nat): New.

	* config/i386/nm-i386sol2.h (TARGET_HAS_HARDWARE_WATCHPOINTS): Delete.
	* config/sparc/nm-sol2.h (TARGET_HAS_HARDWARE_WATCHPOINTS): Delete.
	* config/mips/irix5.mh (NAT_FILE): Delete.
	* config/mips/irix6.mh (NAT_FILE): Delete.
	* config/mips/nm-irix5.h: Delete.

2009-06-07  Pedro Alves  <pedro@codesourcery.com>

	* gdbint.texinfo (TARGET_HAS_HARDWARE_WATCHPOINTS): Delete all
	references.
This commit is contained in:
Pedro Alves 2009-06-07 22:33:25 +00:00
parent 17592de300
commit d1a7880c77
15 changed files with 120 additions and 48 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

37
gdb/ChangeLog
View File

@ -1,3 +1,40 @@
2009-06-07 Pedro Alves <pedro@codesourcery.com>
* procfs.h: New.
* proc-utils.h (procfs_first_available): Don't declare here.
* sol-thread.c: Include procfs.h instead of sys/procfs.h and
proc-utils.h.
* procfs.c: Include procfs.h.
(procfs_target): Make it public. Don't register
procfs_can_use_hw_breakpoint here.
(proc_set_watchpoint): Check for PCWATCH or PIOCSWATCH being
defined instead of TARGET_HAS_HARDWARE_WATCHPOINTS.
(procfs_can_use_hw_breakpoint): Remove check of
TARGET_HAS_HARDWARE_WATCHPOINTS.
(procfs_use_watchpoints): Register procfs_can_use_hw_breakpoint
here.
(_initialize_procfs): Don't add the procfs target here.
* i386-sol2-nat.c: Include target.h and procfs.h.
(_initialize_amd64_sol2_nat): Install the procfs target here,
customized with watchpoints support.
* irix5-nat.c: Include target.h.
(_initialize_core_irix5): Rename to ...
(_initialize_irix5_nat): ... this. Install the procfs target
here, customized with watchpoints support.
* alpha-nat.c: Include procfs.h.
(_initialize_core_alpha): Rename to...
(_initialize_alpha_nat): ... this. Install the procfs target
here, customized with watchpoints support.
* sparc-sol2-nat.c: Include target.h and procfs.h.
(_initialize_sparc_sol2_nat): New.
* config/i386/nm-i386sol2.h (TARGET_HAS_HARDWARE_WATCHPOINTS): Delete.
* config/sparc/nm-sol2.h (TARGET_HAS_HARDWARE_WATCHPOINTS): Delete.
* config/mips/irix5.mh (NAT_FILE): Delete.
* config/mips/irix6.mh (NAT_FILE): Delete.
* config/mips/nm-irix5.h: Delete.
20009-06-07 Pedro Alves <pedro@codesourcery.com>
* auxv.c (procfs_xfer_auxv): Change type of the `object' argument

11
gdb/alpha-nat.c
View File

@ -22,6 +22,7 @@
#include "inferior.h"
#include "gdbcore.h"
#include "target.h"
#include "procfs.h"
#include "regcache.h"
#include "alpha-tdep.h"
@ -183,8 +184,16 @@ static struct core_fns alpha_osf_core_fns =
NULL /* next */
};
/* Provide a prototype to silence -Wmissing-prototypes. */
extern initialize_file_ftype _initialize_alpha_nat;
void
_initialize_core_alpha (void)
_initialize_alpha_nat (void)
{
struct target_ops *t;
t = procfs_target ();
add_target (t);
deprecated_add_core_fns (&alpha_osf_core_fns);
}

2
gdb/config/i386/nm-i386sol2.h
View File

@ -18,8 +18,6 @@
#ifdef NEW_PROC_API /* Solaris 6 and above can do HW watchpoints */
#define TARGET_HAS_HARDWARE_WATCHPOINTS
/* Solaris x86 2.6 and 2.7 targets have a kernel bug when stepping
over an instruction that causes a page fault without triggering
a hardware watchpoint. The kernel properly notices that it shouldn't

1
gdb/config/mips/irix5.mh
View File

@ -1,4 +1,3 @@
# Host: SGI Iris running irix 5.x
NAT_FILE= nm-irix5.h
NATDEPFILES= fork-child.o irix5-nat.o corelow.o procfs.o \
proc-api.o proc-events.o proc-flags.o proc-why.o

1
gdb/config/mips/irix6.mh
View File

@ -1,4 +1,3 @@
# Host: SGI Iris running irix 6.x
NAT_FILE= nm-irix5.h
NATDEPFILES= fork-child.o irix5-nat.o corelow.o procfs.o \
proc-api.o proc-events.o proc-flags.o proc-why.o

9
gdb/config/sparc/nm-sol2.h
View File

@ -23,13 +23,4 @@
#define GDB_GREGSET_T prgregset_t
#define GDB_FPREGSET_T prfpregset_t
/* Hardware wactchpoints. */
/* Solaris 2.6 and above can do HW watchpoints. */
#ifdef NEW_PROC_API
#define TARGET_HAS_HARDWARE_WATCHPOINTS
#endif /* NEW_PROC_API */
#endif /* nm-sol2.h */

5
gdb/doc/ChangeLog
View File

@ -1,3 +1,8 @@
2009-06-07 Pedro Alves <pedro@codesourcery.com>
* gdbint.texinfo (TARGET_HAS_HARDWARE_WATCHPOINTS): Delete all
references.
2009-06-04 Ulrich Weigand <uweigand@de.ibm.com>
* gdbint.texinfo: Rename formal parameters to gdbarch function

5
gdb/doc/gdbint.texinfo
View File

@ -694,11 +694,6 @@ changed are announced as hit.
watchpoints:
@table @code
@findex TARGET_HAS_HARDWARE_WATCHPOINTS
@item TARGET_HAS_HARDWARE_WATCHPOINTS
If defined, the target supports hardware watchpoints.
(Currently only used for several native configs.)
@findex TARGET_CAN_USE_HARDWARE_WATCHPOINT
@item TARGET_CAN_USE_HARDWARE_WATCHPOINT (@var{type}, @var{count}, @var{other})
Return the number of hardware watchpoints of type @var{type} that are

13
gdb/i386-sol2-nat.c
View File

@ -22,6 +22,8 @@
#include <sys/procfs.h>
#include "gregset.h"
#include "target.h"
#include "procfs.h"
/* This file provids the (temporary) glue between the Solaris x86
target dependent code and the machine independent SVR4 /proc
@ -134,6 +136,15 @@ extern void _initialize_amd64_sol2_nat (void);
void
_initialize_amd64_sol2_nat (void)
{
struct target_ops *t;
/* Fill in the generic procfs methods. */
t = procfs_target ();
#ifdef NEW_PROC_API /* Solaris 6 and above can do HW watchpoints */
procfs_use_watchpoints (t);
#endif
#if defined (PR_MODEL_NATIVE) && (PR_MODEL_NATIVE == PR_MODEL_LP64)
amd64_native_gregset32_reg_offset = amd64_sol2_gregset32_reg_offset;
amd64_native_gregset32_num_regs =
@ -142,4 +153,6 @@ _initialize_amd64_sol2_nat (void)
amd64_native_gregset64_num_regs =
ARRAY_SIZE (amd64_sol2_gregset64_reg_offset);
#endif
add_target (t);
}

12
gdb/irix5-nat.c
View File

@ -29,6 +29,7 @@
#include "gdbcore.h"
#include "target.h"
#include "regcache.h"
#include "procfs.h"
#include "gdb_string.h"
#include <sys/time.h>
@ -256,8 +257,17 @@ static struct core_fns irix5_core_fns =
NULL /* next */
};
/* Provide a prototype to silence -Wmissing-prototypes. */
extern initialize_file_ftype _initialize_irix5_nat;
void
_initialize_core_irix5 (void)
_initialize_irix5_nat (void)
{
struct target_ops *t;
t = procfs_target ();
procfs_use_watchpoints (t);
add_target (t);
deprecated_add_core_fns (&irix5_core_fns);
}

5
gdb/proc-utils.h
View File

@ -96,8 +96,3 @@ typedef PROC_CTL_WORD_TYPE procfs_ctl_t;
#else
typedef long procfs_ctl_t;
#endif
/* From procfs.c */
extern ptid_t procfs_first_available (void);

24
gdb/procfs.c
View File

@ -50,6 +50,7 @@
#include "gdb_assert.h"
#include "inflow.h"
#include "auxv.h"
#include "procfs.h"
/*
* PROCFS.C
@ -181,7 +182,7 @@ procfs_auxv_parse (struct target_ops *ops, gdb_byte **readptr,
}
#endif
static struct target_ops *
struct target_ops *
procfs_target (void)
{
struct target_ops *t = inf_child_target ();
@ -212,7 +213,6 @@ procfs_target (void)
t->to_has_thread_control = tc_schedlock;
t->to_find_memory_regions = proc_find_memory_regions;
t->to_make_corefile_notes = procfs_make_note_section;
t->to_can_use_hw_breakpoint = procfs_can_use_hw_breakpoint;
#if defined(PR_MODEL_NATIVE) && (PR_MODEL_NATIVE == PR_MODEL_LP64)
t->to_auxv_parse = procfs_auxv_parse;
@ -2902,7 +2902,10 @@ procfs_address_to_host_pointer (CORE_ADDR addr)
int
proc_set_watchpoint (procinfo *pi, CORE_ADDR addr, int len, int wflags)
{
#if !defined (TARGET_HAS_HARDWARE_WATCHPOINTS)
#if !defined (PCWATCH) && !defined (PIOCSWATCH)
/* If neither or these is defined, we can't support watchpoints.
This just avoids possibly failing to compile the below on such
systems. */
return 0;
#else
/* Horrible hack! Detect Solaris 2.5, because this doesn't work on 2.5 */
@ -5294,9 +5297,6 @@ procfs_set_watchpoint (ptid_t ptid, CORE_ADDR addr, int len, int rwflag,
static int
procfs_can_use_hw_breakpoint (int type, int cnt, int othertype)
{
#ifndef TARGET_HAS_HARDWARE_WATCHPOINTS
return 0;
#else
/* Due to the way that proc_set_watchpoint() is implemented, host
and target pointers must be of the same size. If they are not,
we can't use hardware watchpoints. This limitation is due to the
@ -5312,7 +5312,6 @@ procfs_can_use_hw_breakpoint (int type, int cnt, int othertype)
/* Other tests here??? */
return 1;
#endif
}
/*
@ -5394,6 +5393,7 @@ procfs_use_watchpoints (struct target_ops *t)
t->to_insert_watchpoint = procfs_insert_watchpoint;
t->to_remove_watchpoint = procfs_remove_watchpoint;
t->to_region_ok_for_hw_watchpoint = procfs_region_ok_for_hw_watchpoint;
t->to_can_use_hw_breakpoint = procfs_can_use_hw_breakpoint;
}
/*
@ -5988,16 +5988,6 @@ proc_untrace_sysexit_cmd (char *args, int from_tty)
void
_initialize_procfs (void)
{
struct target_ops * t;
t = procfs_target ();
#ifdef TARGET_HAS_HARDWARE_WATCHPOINTS
procfs_use_watchpoints (t);
#endif
add_target (t);
add_info ("proc", info_proc_cmd, _("\
Show /proc process information about any running process.\n\
Specify process id, or use the program being debugged by default.\n\

23
gdb/config/mips/nm-irix5.h → gdb/procfs.h
View File

@ -1,7 +1,6 @@
/* Definitions for native support of irix5.
/* Native debugging support for procfs targets.
Copyright 1993, 1996, 1998, 1999, 2000, 2007, 2008, 2009
Free Software Foundation, Inc.
Copyright (C) 2009 Free Software Foundation, Inc.
This file is part of GDB.
@ -18,4 +17,20 @@
You should have received a copy of the GNU General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>. */
#define TARGET_HAS_HARDWARE_WATCHPOINTS
struct target_ops;
/* Create a prototype generic procfs target. The client can override
it with local methods. */
extern struct target_ops *procfs_target (void);
/* Call this in the native _initialize routine that creates and
customizes the prototype target returned by procfs_target, if the
native debug interface supports procfs watchpoints. */
extern void procfs_use_watchpoints (struct target_ops *t);
/* Return a ptid for which we guarantee we will be able to find a
'live' procinfo. */
extern ptid_t procfs_first_available (void);

3
gdb/sol-thread.c
View File

@ -66,8 +66,7 @@
#include "symfile.h"
#include "observer.h"
#include "gdb_string.h"
#include <sys/procfs.h>
#include "proc-utils.h"
#include "procfs.h"
struct target_ops sol_thread_ops;

17
gdb/sparc-sol2-nat.c
View File

@ -24,6 +24,8 @@
#include "gregset.h"
#include "sparc-tdep.h"
#include "target.h"
#include "procfs.h"
/* This file provids the (temporary) glue between the Solaris SPARC
target dependent code and the machine independent SVR4 /proc
@ -94,3 +96,18 @@ fill_fpregset (const struct regcache *regcache, prfpregset_t *fpregs, int regnum
{
sparc_collect_fpregset (regcache, regnum, fpregs);
}
/* Provide a prototype to silence -Wmissing-prototypes. */
extern initialize_file_ftype _initialize_sparc_sol2_nat;
void
_initialize_sparc_sol2_nat (void)
{
struct target_ops *t;
t = procfs_target ();
#ifdef NEW_PROC_API /* Solaris 6 and above can do HW watchpoints */
procfs_use_watchpoints (t);
#endif
add_target (t);
}