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* arm-linux-tdep.c (arm_linux_thumb_be_breakpoint) 

(arm_linux_thumb_le_breakpoint): New.  Update comments.
	(arm_linux_init_abi): Set Thumb breakpoints also.
This commit is contained in:
Daniel Jacobowitz 2005-03-29 16:57:30 +00:00
parent 842e1f1ec4
commit 498b1f8763
2 changed files with 20 additions and 4 deletions
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6
gdb/ChangeLog
View File

@ -1,3 +1,9 @@
2005-03-29 Daniel Jacobowitz <dan@codesourcery.com>
* arm-linux-tdep.c (arm_linux_thumb_be_breakpoint)
(arm_linux_thumb_le_breakpoint): New. Update comments.
(arm_linux_init_abi): Set Thumb breakpoints also.
2005-03-29 Daniel Jacobowitz <dan@codesourcery.com>
* Makefile.in (arm-tdep.o): Update dependencies.

18
gdb/arm-linux-tdep.c
View File

@ -39,13 +39,16 @@
is to execute a particular software interrupt, rather than use a
particular undefined instruction to provoke a trap. Upon exection
of the software interrupt the kernel stops the inferior with a
SIGTRAP, and wakes the debugger. Since ARM GNU/Linux doesn't support
Thumb at the moment we only override the ARM breakpoints. */
SIGTRAP, and wakes the debugger. */
static const char arm_linux_arm_le_breakpoint[] = { 0x01, 0x00, 0x9f, 0xef };
static const char arm_linux_arm_be_breakpoint[] = { 0xef, 0x9f, 0x00, 0x01 };
static const char arm_linux_thumb_be_breakpoint[] = {0xde, 0x01};
static const char arm_linux_thumb_le_breakpoint[] = {0x01, 0xde};
/* Description of the longjmp buffer. */
#define ARM_LINUX_JB_ELEMENT_SIZE INT_REGISTER_SIZE
#define ARM_LINUX_JB_PC 21
@ -465,10 +468,17 @@ arm_linux_init_abi (struct gdbarch_info info,
tdep->lowest_pc = 0x8000;
if (info.byte_order == BFD_ENDIAN_BIG)
tdep->arm_breakpoint = arm_linux_arm_be_breakpoint;
{
tdep->arm_breakpoint = arm_linux_arm_be_breakpoint;
tdep->thumb_breakpoint = arm_linux_thumb_be_breakpoint;
}
else
tdep->arm_breakpoint = arm_linux_arm_le_breakpoint;
{
tdep->arm_breakpoint = arm_linux_arm_le_breakpoint;
tdep->thumb_breakpoint = arm_linux_thumb_le_breakpoint;
}
tdep->arm_breakpoint_size = sizeof (arm_linux_arm_le_breakpoint);
tdep->thumb_breakpoint_size = sizeof (arm_linux_thumb_le_breakpoint);
tdep->fp_model = ARM_FLOAT_FPA;