Imagelibrary/binutils-gdb
1
0
Fork 1
mirror of https://github.com/bminor/binutils-gdb.git synced 2025-12-27 09:38:57 +00:00
Code Issues Packages Projects Releases Wiki Activity

gdb/

Browse Source 
Fix repeated rwatch output.
	* amd64-linux-nat.c (amd64_linux_dr_set, amd64_linux_dr_set_control)
	(amd64_linux_dr_set_addr, amd64_linux_dr_reset_addr)
	(amd64_linux_dr_get_status): New comments.
	(amd64_linux_dr_unset_status): New function.
	(_initialize_amd64_linux_nat): Install it.
	* i386-linux-nat.c (i386_linux_dr_get, i386_linux_dr_set)
	(i386_linux_dr_set_control, i386_linux_dr_set_addr)
	(i386_linux_dr_reset_addr, i386_linux_dr_get_status): New comments.
	(i386_linux_dr_unset_status): New function.
	(_initialize_i386_linux_nat): Install it.
	* i386-nat.c (I386_DR_WATCH_MASK): New macro.
	(I386_DR_WATCH_HIT): Use I386_DR_WATCH_MASK.
	(i386_insert_aligned_watchpoint): Call i386_dr_low.unset_status.
	* i386-nat.h (struct i386_dr_low_type): Extend comments for
	set_control, set_addr, reset_addr and get_status.  New unset_status.
	* breakpoint.c (update_watchpoint): Extend the comment.

gdb/testsuite/
	* gdb.base/watchpoint-hw-hit-once.exp,
	gdb.base/watchpoint-hw-hit-once.c: New.
This commit is contained in:
Jan Kratochvil
2009-11-20 19:57:29 +00:00
parent ebec9a0f77
commit a79d3c27d1
9 changed files with 221 additions and 8 deletions
Download Patch File Download Diff File Expand all files Collapse all files

30
gdb/amd64-linux-nat.c
View File

@@ -270,6 +270,8 @@ amd64_linux_dr_get (ptid_t ptid, int regnum)
return value;
}
/* Set debug register REGNUM to VALUE in only the one LWP of PTID. */
static void
amd64_linux_dr_set (ptid_t ptid, int regnum, unsigned long value)
{
@@ -286,6 +288,8 @@ amd64_linux_dr_set (ptid_t ptid, int regnum, unsigned long value)
perror_with_name (_("Couldn't write debug register"));
}
/* Set DR_CONTROL to ADDR in all LWPs of LWP_LIST. */
static void
amd64_linux_dr_set_control (unsigned long control)
{
@@ -297,6 +301,8 @@ amd64_linux_dr_set_control (unsigned long control)
amd64_linux_dr_set (ptid, DR_CONTROL, control);
}
/* Set address REGNUM (zero based) to ADDR in all LWPs of LWP_LIST. */
static void
amd64_linux_dr_set_addr (int regnum, CORE_ADDR addr)
{
@@ -310,18 +316,41 @@ amd64_linux_dr_set_addr (int regnum, CORE_ADDR addr)
amd64_linux_dr_set (ptid, DR_FIRSTADDR + regnum, addr);
}
/* Set address REGNUM (zero based) to zero in all LWPs of LWP_LIST. */
static void
amd64_linux_dr_reset_addr (int regnum)
{
amd64_linux_dr_set_addr (regnum, 0);
}
/* Get DR_STATUS from only the one LWP of INFERIOR_PTID. */
static unsigned long
amd64_linux_dr_get_status (void)
{
return amd64_linux_dr_get (inferior_ptid, DR_STATUS);
}
/* Unset MASK bits in DR_STATUS in all LWPs of LWP_LIST. */
static void
amd64_linux_dr_unset_status (unsigned long mask)
{
struct lwp_info *lp;
ptid_t ptid;
ALL_LWPS (lp, ptid)
{
unsigned long value;
value = amd64_linux_dr_get (ptid, DR_STATUS);
value &= ~mask;
amd64_linux_dr_set (ptid, DR_STATUS, value);
}
}
static void
amd64_linux_new_thread (ptid_t ptid)
{
@@ -672,6 +701,7 @@ _initialize_amd64_linux_nat (void)
i386_dr_low.set_addr = amd64_linux_dr_set_addr;
i386_dr_low.reset_addr = amd64_linux_dr_reset_addr;
i386_dr_low.get_status = amd64_linux_dr_get_status;
i386_dr_low.unset_status = amd64_linux_dr_unset_status;
i386_set_debug_register_length (8);
/* Override the GNU/Linux inferior startup hook. */