| Author | Tokens | Token Proportion | Commits | Commit Proportion |
|---|---|---|---|---|
| Matt Fleming | 1246 | 96.96% | 8 | 66.67% |
| Paul Mundt | 38 | 2.96% | 3 | 25.00% |
| Kuninori Morimoto | 1 | 0.08% | 1 | 8.33% |
| Total | 1285 | 12 |
/* SPDX-License-Identifier: GPL-2.0 * * Copyright (C) 2009 Matt Fleming <matt@console-pimps.org> */ #ifndef __ASM_SH_DWARF_H #define __ASM_SH_DWARF_H #ifdef CONFIG_DWARF_UNWINDER /* * DWARF expression operations */ #define DW_OP_addr 0x03 #define DW_OP_deref 0x06 #define DW_OP_const1u 0x08 #define DW_OP_const1s 0x09 #define DW_OP_const2u 0x0a #define DW_OP_const2s 0x0b #define DW_OP_const4u 0x0c #define DW_OP_const4s 0x0d #define DW_OP_const8u 0x0e #define DW_OP_const8s 0x0f #define DW_OP_constu 0x10 #define DW_OP_consts 0x11 #define DW_OP_dup 0x12 #define DW_OP_drop 0x13 #define DW_OP_over 0x14 #define DW_OP_pick 0x15 #define DW_OP_swap 0x16 #define DW_OP_rot 0x17 #define DW_OP_xderef 0x18 #define DW_OP_abs 0x19 #define DW_OP_and 0x1a #define DW_OP_div 0x1b #define DW_OP_minus 0x1c #define DW_OP_mod 0x1d #define DW_OP_mul 0x1e #define DW_OP_neg 0x1f #define DW_OP_not 0x20 #define DW_OP_or 0x21 #define DW_OP_plus 0x22 #define DW_OP_plus_uconst 0x23 #define DW_OP_shl 0x24 #define DW_OP_shr 0x25 #define DW_OP_shra 0x26 #define DW_OP_xor 0x27 #define DW_OP_skip 0x2f #define DW_OP_bra 0x28 #define DW_OP_eq 0x29 #define DW_OP_ge 0x2a #define DW_OP_gt 0x2b #define DW_OP_le 0x2c #define DW_OP_lt 0x2d #define DW_OP_ne 0x2e #define DW_OP_lit0 0x30 #define DW_OP_lit1 0x31 #define DW_OP_lit2 0x32 #define DW_OP_lit3 0x33 #define DW_OP_lit4 0x34 #define DW_OP_lit5 0x35 #define DW_OP_lit6 0x36 #define DW_OP_lit7 0x37 #define DW_OP_lit8 0x38 #define DW_OP_lit9 0x39 #define DW_OP_lit10 0x3a #define DW_OP_lit11 0x3b #define DW_OP_lit12 0x3c #define DW_OP_lit13 0x3d #define DW_OP_lit14 0x3e #define DW_OP_lit15 0x3f #define DW_OP_lit16 0x40 #define DW_OP_lit17 0x41 #define DW_OP_lit18 0x42 #define DW_OP_lit19 0x43 #define DW_OP_lit20 0x44 #define DW_OP_lit21 0x45 #define DW_OP_lit22 0x46 #define DW_OP_lit23 0x47 #define DW_OP_lit24 0x48 #define DW_OP_lit25 0x49 #define DW_OP_lit26 0x4a #define DW_OP_lit27 0x4b #define DW_OP_lit28 0x4c #define DW_OP_lit29 0x4d #define DW_OP_lit30 0x4e #define DW_OP_lit31 0x4f #define DW_OP_reg0 0x50 #define DW_OP_reg1 0x51 #define DW_OP_reg2 0x52 #define DW_OP_reg3 0x53 #define DW_OP_reg4 0x54 #define DW_OP_reg5 0x55 #define DW_OP_reg6 0x56 #define DW_OP_reg7 0x57 #define DW_OP_reg8 0x58 #define DW_OP_reg9 0x59 #define DW_OP_reg10 0x5a #define DW_OP_reg11 0x5b #define DW_OP_reg12 0x5c #define DW_OP_reg13 0x5d #define DW_OP_reg14 0x5e #define DW_OP_reg15 0x5f #define DW_OP_reg16 0x60 #define DW_OP_reg17 0x61 #define DW_OP_reg18 0x62 #define DW_OP_reg19 0x63 #define DW_OP_reg20 0x64 #define DW_OP_reg21 0x65 #define DW_OP_reg22 0x66 #define DW_OP_reg23 0x67 #define DW_OP_reg24 0x68 #define DW_OP_reg25 0x69 #define DW_OP_reg26 0x6a #define DW_OP_reg27 0x6b #define DW_OP_reg28 0x6c #define DW_OP_reg29 0x6d #define DW_OP_reg30 0x6e #define DW_OP_reg31 0x6f #define DW_OP_breg0 0x70 #define DW_OP_breg1 0x71 #define DW_OP_breg2 0x72 #define DW_OP_breg3 0x73 #define DW_OP_breg4 0x74 #define DW_OP_breg5 0x75 #define DW_OP_breg6 0x76 #define DW_OP_breg7 0x77 #define DW_OP_breg8 0x78 #define DW_OP_breg9 0x79 #define DW_OP_breg10 0x7a #define DW_OP_breg11 0x7b #define DW_OP_breg12 0x7c #define DW_OP_breg13 0x7d #define DW_OP_breg14 0x7e #define DW_OP_breg15 0x7f #define DW_OP_breg16 0x80 #define DW_OP_breg17 0x81 #define DW_OP_breg18 0x82 #define DW_OP_breg19 0x83 #define DW_OP_breg20 0x84 #define DW_OP_breg21 0x85 #define DW_OP_breg22 0x86 #define DW_OP_breg23 0x87 #define DW_OP_breg24 0x88 #define DW_OP_breg25 0x89 #define DW_OP_breg26 0x8a #define DW_OP_breg27 0x8b #define DW_OP_breg28 0x8c #define DW_OP_breg29 0x8d #define DW_OP_breg30 0x8e #define DW_OP_breg31 0x8f #define DW_OP_regx 0x90 #define DW_OP_fbreg 0x91 #define DW_OP_bregx 0x92 #define DW_OP_piece 0x93 #define DW_OP_deref_size 0x94 #define DW_OP_xderef_size 0x95 #define DW_OP_nop 0x96 #define DW_OP_push_object_address 0x97 #define DW_OP_call2 0x98 #define DW_OP_call4 0x99 #define DW_OP_call_ref 0x9a #define DW_OP_form_tls_address 0x9b #define DW_OP_call_frame_cfa 0x9c #define DW_OP_bit_piece 0x9d #define DW_OP_lo_user 0xe0 #define DW_OP_hi_user 0xff /* * Addresses used in FDE entries in the .eh_frame section may be encoded * using one of the following encodings. */ #define DW_EH_PE_absptr 0x00 #define DW_EH_PE_omit 0xff #define DW_EH_PE_uleb128 0x01 #define DW_EH_PE_udata2 0x02 #define DW_EH_PE_udata4 0x03 #define DW_EH_PE_udata8 0x04 #define DW_EH_PE_sleb128 0x09 #define DW_EH_PE_sdata2 0x0a #define DW_EH_PE_sdata4 0x0b #define DW_EH_PE_sdata8 0x0c #define DW_EH_PE_signed 0x09 #define DW_EH_PE_pcrel 0x10 /* * The architecture-specific register number that contains the return * address in the .debug_frame table. */ #define DWARF_ARCH_RA_REG 17 #ifndef __ASSEMBLY__ #include <linux/compiler.h> #include <linux/bug.h> #include <linux/list.h> #include <linux/module.h> /* * Read either the frame pointer (r14) or the stack pointer (r15). * NOTE: this MUST be inlined. */ static __always_inline unsigned long dwarf_read_arch_reg(unsigned int reg) { unsigned long value = 0; switch (reg) { case 14: __asm__ __volatile__("mov r14, %0\n" : "=r" (value)); break; case 15: __asm__ __volatile__("mov r15, %0\n" : "=r" (value)); break; default: BUG(); } return value; } /** * dwarf_cie - Common Information Entry */ struct dwarf_cie { unsigned long length; unsigned long cie_id; unsigned char version; const char *augmentation; unsigned int code_alignment_factor; int data_alignment_factor; /* Which column in the rule table represents return addr of func. */ unsigned int return_address_reg; unsigned char *initial_instructions; unsigned char *instructions_end; unsigned char encoding; unsigned long cie_pointer; unsigned long flags; #define DWARF_CIE_Z_AUGMENTATION (1 << 0) /* linked-list entry if this CIE is from a module */ struct list_head link; struct rb_node node; }; /** * dwarf_fde - Frame Description Entry */ struct dwarf_fde { unsigned long length; unsigned long cie_pointer; struct dwarf_cie *cie; unsigned long initial_location; unsigned long address_range; unsigned char *instructions; unsigned char *end; /* linked-list entry if this FDE is from a module */ struct list_head link; struct rb_node node; }; /** * dwarf_frame - DWARF information for a frame in the call stack */ struct dwarf_frame { struct dwarf_frame *prev, *next; unsigned long pc; struct list_head reg_list; unsigned long cfa; /* Valid when DW_FRAME_CFA_REG_OFFSET is set in flags */ unsigned int cfa_register; unsigned int cfa_offset; /* Valid when DW_FRAME_CFA_REG_EXP is set in flags */ unsigned char *cfa_expr; unsigned int cfa_expr_len; unsigned long flags; #define DWARF_FRAME_CFA_REG_OFFSET (1 << 0) #define DWARF_FRAME_CFA_REG_EXP (1 << 1) unsigned long return_addr; }; /** * dwarf_reg - DWARF register * @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) #define DWARF_VAL_OFFSET (1 << 1) #define DWARF_UNDEFINED (1 << 2) }; /* * Call Frame instruction opcodes. */ #define DW_CFA_advance_loc 0x40 #define DW_CFA_offset 0x80 #define DW_CFA_restore 0xc0 #define DW_CFA_nop 0x00 #define DW_CFA_set_loc 0x01 #define DW_CFA_advance_loc1 0x02 #define DW_CFA_advance_loc2 0x03 #define DW_CFA_advance_loc4 0x04 #define DW_CFA_offset_extended 0x05 #define DW_CFA_restore_extended 0x06 #define DW_CFA_undefined 0x07 #define DW_CFA_same_value 0x08 #define DW_CFA_register 0x09 #define DW_CFA_remember_state 0x0a #define DW_CFA_restore_state 0x0b #define DW_CFA_def_cfa 0x0c #define DW_CFA_def_cfa_register 0x0d #define DW_CFA_def_cfa_offset 0x0e #define DW_CFA_def_cfa_expression 0x0f #define DW_CFA_expression 0x10 #define DW_CFA_offset_extended_sf 0x11 #define DW_CFA_def_cfa_sf 0x12 #define DW_CFA_def_cfa_offset_sf 0x13 #define DW_CFA_val_offset 0x14 #define DW_CFA_val_offset_sf 0x15 #define DW_CFA_val_expression 0x16 #define DW_CFA_lo_user 0x1c #define DW_CFA_hi_user 0x3f /* GNU extension opcodes */ #define DW_CFA_GNU_args_size 0x2e #define DW_CFA_GNU_negative_offset_extended 0x2f /* * Some call frame instructions encode their operands in the opcode. We * need some helper functions to extract both the opcode and operands * from an instruction. */ static inline unsigned int DW_CFA_opcode(unsigned long insn) { return (insn & 0xc0); } static inline unsigned int DW_CFA_operand(unsigned long insn) { return (insn & 0x3f); } #define DW_EH_FRAME_CIE 0 /* .eh_frame CIE IDs are 0 */ #define DW_CIE_ID 0xffffffff #define DW64_CIE_ID 0xffffffffffffffffULL /* * DWARF FDE/CIE length field values. */ #define DW_EXT_LO 0xfffffff0 #define DW_EXT_HI 0xffffffff #define DW_EXT_DWARF64 DW_EXT_HI extern struct dwarf_frame *dwarf_unwind_stack(unsigned long, struct dwarf_frame *); extern void dwarf_free_frame(struct dwarf_frame *); extern int module_dwarf_finalize(const Elf_Ehdr *, const Elf_Shdr *, struct module *); extern void module_dwarf_cleanup(struct module *); #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 /* * Use the asm comment character to ignore the rest of the line. */ #define CFI_IGNORE ! #define CFI_STARTPROC CFI_IGNORE #define CFI_ENDPROC CFI_IGNORE #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) { } #define module_dwarf_finalize(hdr, sechdrs, me) (0) #define module_dwarf_cleanup(mod) do { } while (0) #endif #endif /* CONFIG_DWARF_UNWINDER */ #endif /* __ASM_SH_DWARF_H */
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