* 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.
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@ -1,3 +1,9 @@
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2005-03-29 Daniel Jacobowitz <dan@codesourcery.com>
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* arm-linux-tdep.c (arm_linux_thumb_be_breakpoint)
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(arm_linux_thumb_le_breakpoint): New. Update comments.
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(arm_linux_init_abi): Set Thumb breakpoints also.
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2005-03-29 Daniel Jacobowitz <dan@codesourcery.com>
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2005-03-29 Daniel Jacobowitz <dan@codesourcery.com>
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* Makefile.in (arm-tdep.o): Update dependencies.
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* Makefile.in (arm-tdep.o): Update dependencies.
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@ -39,13 +39,16 @@
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is to execute a particular software interrupt, rather than use a
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is to execute a particular software interrupt, rather than use a
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particular undefined instruction to provoke a trap. Upon exection
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particular undefined instruction to provoke a trap. Upon exection
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of the software interrupt the kernel stops the inferior with a
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of the software interrupt the kernel stops the inferior with a
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SIGTRAP, and wakes the debugger. Since ARM GNU/Linux doesn't support
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SIGTRAP, and wakes the debugger. */
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Thumb at the moment we only override the ARM breakpoints. */
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static const char arm_linux_arm_le_breakpoint[] = { 0x01, 0x00, 0x9f, 0xef };
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static const char arm_linux_arm_le_breakpoint[] = { 0x01, 0x00, 0x9f, 0xef };
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static const char arm_linux_arm_be_breakpoint[] = { 0xef, 0x9f, 0x00, 0x01 };
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static const char arm_linux_arm_be_breakpoint[] = { 0xef, 0x9f, 0x00, 0x01 };
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static const char arm_linux_thumb_be_breakpoint[] = {0xde, 0x01};
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static const char arm_linux_thumb_le_breakpoint[] = {0x01, 0xde};
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/* Description of the longjmp buffer. */
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/* Description of the longjmp buffer. */
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#define ARM_LINUX_JB_ELEMENT_SIZE INT_REGISTER_SIZE
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#define ARM_LINUX_JB_ELEMENT_SIZE INT_REGISTER_SIZE
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#define ARM_LINUX_JB_PC 21
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#define ARM_LINUX_JB_PC 21
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@ -465,10 +468,17 @@ arm_linux_init_abi (struct gdbarch_info info,
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tdep->lowest_pc = 0x8000;
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tdep->lowest_pc = 0x8000;
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if (info.byte_order == BFD_ENDIAN_BIG)
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if (info.byte_order == BFD_ENDIAN_BIG)
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tdep->arm_breakpoint = arm_linux_arm_be_breakpoint;
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{
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tdep->arm_breakpoint = arm_linux_arm_be_breakpoint;
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tdep->thumb_breakpoint = arm_linux_thumb_be_breakpoint;
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}
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else
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else
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tdep->arm_breakpoint = arm_linux_arm_le_breakpoint;
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{
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tdep->arm_breakpoint = arm_linux_arm_le_breakpoint;
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tdep->thumb_breakpoint = arm_linux_thumb_le_breakpoint;
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}
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tdep->arm_breakpoint_size = sizeof (arm_linux_arm_le_breakpoint);
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tdep->arm_breakpoint_size = sizeof (arm_linux_arm_le_breakpoint);
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tdep->thumb_breakpoint_size = sizeof (arm_linux_thumb_le_breakpoint);
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tdep->fp_model = ARM_FLOAT_FPA;
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tdep->fp_model = ARM_FLOAT_FPA;
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