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* arm-linux-tdep.h (ARM_CPSR_REGNUM): Delete definition.

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* arm-tdep.c (arm_frame_is_thumb): New.
	(arm_pc_is_thumb): Clarify comment.
	(thumb_analyze_prologue): Remove PC special case.
	(thumb_scan_prologue): Take a block_addr argument.  Use it for
	find_pc_partial_function.  Remove unused variables.
	(arm_scan_prologue): Use arm_frame_is_thumb.  Use the block address
	for find_pc_partial_function.  Remove PC special case.
	(arm_prologue_prev_register): Add special handling for PC and CPSR.
	(arm_dwarf2_prev_register, arm_dwarf2_frame_init_reg): New.
	(arm_get_next_pc): Use arm_frame_is_thumb.
	(arm_write_pc): Use CPSR_T instead of 0x20.
	(arm_gdbarch_init): Call dwarf2_frame_set_init_reg.
	* arm-tdep.h (enum gdb_regnum): Add ARM_CPSR_REGNUM.
	(CPSR_T): Define.
	* dwarf2-frame.c (dwarf2_frame_prev_register): Handle
	DWARF2_FRAME_REG_FN.
	* dwarf2-frame.h (enum dwarf2_frame_reg_rule): Add
	DWARF2_FRAME_REG_FN.
	(struct dwarf2_frame_state_reg): Add FN to loc union.

	* gdb.arch/thumb-prologue.exp: Do not expect a saved PC.
This commit is contained in:
Daniel Jacobowitz
2008-05-01 18:30:51 +00:00
parent 36d520f5f6
commit b39cc96258
8 changed files with 153 additions and 34 deletions
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3
gdb/dwarf2-frame.h
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@@ -55,6 +55,7 @@ enum dwarf2_frame_reg_rule
/* These aren't defined by the DWARF2 CFI specification, but are
used internally by GDB. */
DWARF2_FRAME_REG_FN, /* Call a registered function. */
DWARF2_FRAME_REG_RA, /* Return Address. */
DWARF2_FRAME_REG_RA_OFFSET, /* Return Address with offset. */
DWARF2_FRAME_REG_CFA, /* Call Frame Address. */
@@ -71,6 +72,8 @@ struct dwarf2_frame_state_reg
LONGEST offset;
ULONGEST reg;
unsigned char *exp;
struct value *(*fn) (struct frame_info *this_frame, void **this_cache,
int regnum);
} loc;
ULONGEST exp_len;
enum dwarf2_frame_reg_rule how;