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.
* arm-tdep.c: Include "objfiles.h" and "dwarf2-frame.h".
(arm_gdbarch_init): Register dwarf2_frame_sniffer.
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
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;