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ChangeLog: 

* arm-linux-nat.c (arm_linux_hw_breakpoint_initialize): Do not
	attempt to 4-byte-align HW breakpoint addresses for Thumb.

gdbserver/ChangeLog:

	* linux-arm-low.c (arm_linux_hw_point_initialize): Do not attempt
	to 4-byte-align HW breakpoint addresses for Thumb.
This commit is contained in:
Ulrich Weigand 2012-07-30 15:05:43 +00:00
parent 4e969b4f01
commit fcf303aba3
4 changed files with 22 additions and 6 deletions
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5
gdb/ChangeLog
View File

@ -1,3 +1,8 @@
2012-07-30 Ulrich Weigand <ulrich.weigand@linaro.org>
* arm-linux-nat.c (arm_linux_hw_breakpoint_initialize): Do not
attempt to 4-byte-align HW breakpoint addresses for Thumb.
2012-07-30 Andrew Burgess <aburgess@broadcom.com>
* varobj.c (varobj_invalidate_iter): All varobj must be marked as

12
gdb/arm-linux-nat.c
View File

@ -896,11 +896,17 @@ arm_linux_hw_breakpoint_initialize (struct gdbarch *gdbarch,
/* We have to create a mask for the control register which says which bits
of the word pointed to by address to break on. */
if (arm_pc_is_thumb (gdbarch, address))
mask = 0x3 << (address & 2);
{
mask = 0x3;
address &= ~1;
}
else
mask = 0xf;
{
mask = 0xf;
address &= ~3;
}
p->address = (unsigned int) (address & ~3);
p->address = (unsigned int) address;
p->control = arm_hwbp_control_initialize (mask, arm_hwbp_break, 1);
}

5
gdb/gdbserver/ChangeLog
View File

@ -1,3 +1,8 @@
2012-07-30 Ulrich Weigand <ulrich.weigand@linaro.org>
* linux-arm-low.c (arm_linux_hw_point_initialize): Do not attempt
to 4-byte-align HW breakpoint addresses for Thumb.
2012-07-27 Yao Qi <yao@codesourcery.com>
PR remote/14161.

6
gdb/gdbserver/linux-arm-low.c
View File

@ -474,17 +474,17 @@ arm_linux_hw_point_initialize (char type, CORE_ADDR addr, int len,
{
case 2: /* 16-bit Thumb mode breakpoint */
case 3: /* 32-bit Thumb mode breakpoint */
mask = 0x3 << (addr & 2);
mask = 0x3;
addr &= ~1;
break;
case 4: /* 32-bit ARM mode breakpoint */
mask = 0xf;
addr &= ~3;
break;
default:
/* Unsupported. */
return -1;
}
addr &= ~3;
}
else
{