diff options
Diffstat (limited to 'arch/sh/include/asm/dwarf.h')
| -rw-r--r-- | arch/sh/include/asm/dwarf.h | 30 |
1 files changed, 11 insertions, 19 deletions
diff --git a/arch/sh/include/asm/dwarf.h b/arch/sh/include/asm/dwarf.h index d3d3837c5e1b..ced6795891a6 100644 --- a/arch/sh/include/asm/dwarf.h +++ b/arch/sh/include/asm/dwarf.h @@ -200,7 +200,7 @@ */ static __always_inline unsigned long dwarf_read_arch_reg(unsigned int reg) { - unsigned long value; + unsigned long value = 0; switch (reg) { case 14: @@ -265,10 +265,7 @@ struct dwarf_frame { unsigned long pc; - struct dwarf_reg *regs; - unsigned int num_regs; /* how many regs are allocated? */ - - unsigned int depth; /* what level are we in the callstack? */ + struct list_head reg_list; unsigned long cfa; @@ -292,20 +289,15 @@ struct dwarf_frame { * @flags: Describes how to calculate the value of this register */ struct dwarf_reg { + struct list_head link; + + unsigned int number; + unsigned long addr; unsigned long flags; #define DWARF_REG_OFFSET (1 << 0) -}; - -/** - * dwarf_stack - a DWARF stack contains a collection of DWARF frames - * @depth: the number of frames in the stack - * @level: an array of DWARF frames, indexed by stack level - * - */ -struct dwarf_stack { - unsigned int depth; - struct dwarf_frame **level; +#define DWARF_VAL_OFFSET (1 << 1) +#define DWARF_UNDEFINED (1 << 2) }; /* @@ -370,17 +362,16 @@ static inline unsigned int DW_CFA_operand(unsigned long insn) #define DW_EXT_HI 0xffffffff #define DW_EXT_DWARF64 DW_EXT_HI -extern void dwarf_unwinder_init(void); - extern struct dwarf_frame *dwarf_unwind_stack(unsigned long, struct dwarf_frame *); -#endif /* __ASSEMBLY__ */ +#endif /* !__ASSEMBLY__ */ #define CFI_STARTPROC .cfi_startproc #define CFI_ENDPROC .cfi_endproc #define CFI_DEF_CFA .cfi_def_cfa #define CFI_REGISTER .cfi_register #define CFI_REL_OFFSET .cfi_rel_offset +#define CFI_UNDEFINED .cfi_undefined #else @@ -394,6 +385,7 @@ extern struct dwarf_frame *dwarf_unwind_stack(unsigned long, #define CFI_DEF_CFA CFI_IGNORE #define CFI_REGISTER CFI_IGNORE #define CFI_REL_OFFSET CFI_IGNORE +#define CFI_UNDEFINED CFI_IGNORE #ifndef __ASSEMBLY__ static inline void dwarf_unwinder_init(void) |