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Current File : //usr/include/libdwarf.h |
/*- * Copyright (c) 2007 John Birrell (jb@freebsd.org) * All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF * SUCH DAMAGE. * * $FreeBSD: release/9.1.0/lib/libdwarf/libdwarf.h 221569 2011-05-07 01:05:31Z obrien $ */ #ifndef _LIBDWARF_H_ #define _LIBDWARF_H_ #include <libelf.h> typedef int Dwarf_Bool; typedef off_t Dwarf_Off; typedef uint64_t Dwarf_Unsigned; typedef uint16_t Dwarf_Half; typedef uint8_t Dwarf_Small; typedef int64_t Dwarf_Signed; typedef uint64_t Dwarf_Addr; typedef void *Dwarf_Ptr; /* Forward definitions. */ typedef struct _Dwarf_Abbrev *Dwarf_Abbrev; typedef struct _Dwarf_Arange *Dwarf_Arange; typedef struct _Dwarf_Attribute *Dwarf_Attribute; typedef struct _Dwarf_AttrValue *Dwarf_AttrValue; typedef struct _Dwarf_CU *Dwarf_CU; typedef struct _Dwarf_Cie *Dwarf_Cie; typedef struct _Dwarf_Debug *Dwarf_Debug; typedef struct _Dwarf_Die *Dwarf_Die; typedef struct _Dwarf_Fde *Dwarf_Fde; typedef struct _Dwarf_Func *Dwarf_Func; typedef struct _Dwarf_Inlined_Func *Dwarf_Inlined_Func; typedef struct _Dwarf_Global *Dwarf_Global; typedef struct _Dwarf_Line *Dwarf_Line; typedef struct _Dwarf_Type *Dwarf_Type; typedef struct _Dwarf_Var *Dwarf_Var; typedef struct _Dwarf_Weak *Dwarf_Weak; typedef struct { Dwarf_Small lr_atom; Dwarf_Unsigned lr_number; Dwarf_Unsigned lr_number2; Dwarf_Unsigned lr_offset; } Dwarf_Loc; typedef struct { Dwarf_Addr ld_lopc; Dwarf_Addr ld_hipc; Dwarf_Half ld_cents; Dwarf_Loc *ld_s; } Dwarf_Locdesc; /* receiver function for dwarf_function_iterate_inlined_instance() API */ typedef void (*Dwarf_Inlined_Callback)(Dwarf_Inlined_Func, void *); /* * Error numbers which are specific to this implementation. */ enum { DWARF_E_NONE, /* No error. */ DWARF_E_ERROR, /* An error! */ DWARF_E_NO_ENTRY, /* No entry. */ DWARF_E_ARGUMENT, /* Invalid argument. */ DWARF_E_DEBUG_INFO, /* Debug info NULL. */ DWARF_E_MEMORY, /* Insufficient memory. */ DWARF_E_ELF, /* ELF error. */ DWARF_E_INVALID_CU, /* Invalid compilation unit data. */ DWARF_E_CU_VERSION, /* Wrong CU version. */ DWARF_E_MISSING_ABBREV, /* Abbrev not found. */ DWARF_E_NOT_IMPLEMENTED, /* Not implemented. */ DWARF_E_CU_CURRENT, /* No current compilation unit. */ DWARF_E_BAD_FORM, /* Wrong form type for attribute value. */ DWARF_E_INVALID_EXPR, /* Invalid DWARF expression. */ DWARF_E_NUM /* Max error number. */ }; typedef struct _Dwarf_Error { int err_error; /* DWARF error. */ int elf_error; /* ELF error. */ const char *err_func; /* Function name where error occurred. */ int err_line; /* Line number where error occurred. */ char err_msg[1024]; /* Formatted error message. */ } Dwarf_Error; /* * Return values which have to be compatible with other * implementations of libdwarf. */ #define DW_DLV_NO_ENTRY DWARF_E_NO_ENTRY #define DW_DLV_OK DWARF_E_NONE #define DW_DLE_DEBUG_INFO_NULL DWARF_E_DEBUG_INFO #define DW_DLC_READ 0 /* read only access */ /* Function prototype definitions. */ __BEGIN_DECLS Dwarf_Abbrev dwarf_abbrev_find(Dwarf_CU, uint64_t); Dwarf_AttrValue dwarf_attrval_find(Dwarf_Die, Dwarf_Half); Dwarf_Die dwarf_die_find(Dwarf_Die, Dwarf_Unsigned); const char *dwarf_errmsg(Dwarf_Error *); const char *get_sht_desc(uint32_t); const char *get_attr_desc(uint32_t); const char *get_form_desc(uint32_t); const char *get_tag_desc(uint32_t); int dwarf_abbrev_add(Dwarf_CU, uint64_t, uint64_t, uint8_t, Dwarf_Abbrev *, Dwarf_Error *); int dwarf_attr(Dwarf_Die, Dwarf_Half, Dwarf_Attribute *, Dwarf_Error *); int dwarf_attr_add(Dwarf_Abbrev, uint64_t, uint64_t, Dwarf_Attribute *, Dwarf_Error *); int dwarf_attrval(Dwarf_Die, Dwarf_Half, Dwarf_AttrValue *, Dwarf_Error *); int dwarf_attrval_add(Dwarf_Die, Dwarf_AttrValue, Dwarf_AttrValue *, Dwarf_Error *); int dwarf_attrval_flag(Dwarf_Die, uint64_t, Dwarf_Bool *, Dwarf_Error *); int dwarf_attrval_signed(Dwarf_Die, uint64_t, Dwarf_Signed *, Dwarf_Error *); int dwarf_attrval_string(Dwarf_Die, uint64_t, const char **, Dwarf_Error *); int dwarf_attrval_unsigned(Dwarf_Die, uint64_t, Dwarf_Unsigned *, Dwarf_Error *); int dwarf_child(Dwarf_Die, Dwarf_Die *, Dwarf_Error *); int dwarf_die_add(Dwarf_CU, int, uint64_t, uint64_t, Dwarf_Abbrev, Dwarf_Die *, Dwarf_Error *); int dwarf_dieoffset(Dwarf_Die, Dwarf_Off *, Dwarf_Error *); int dwarf_elf_init(Elf *, int, Dwarf_Debug *, Dwarf_Error *); int dwarf_errno(Dwarf_Error *); int dwarf_finish(Dwarf_Debug *, Dwarf_Error *); int dwarf_locdesc(Dwarf_Die, uint64_t, Dwarf_Locdesc **, Dwarf_Signed *, Dwarf_Error *); int dwarf_locdesc_free(Dwarf_Locdesc *, Dwarf_Error *); int dwarf_init(int, int, Dwarf_Debug *, Dwarf_Error *); int dwarf_next_cu_header(Dwarf_Debug, Dwarf_Unsigned *, Dwarf_Half *, Dwarf_Unsigned *, Dwarf_Half *, Dwarf_Unsigned *, Dwarf_Error *); int dwarf_op_num(uint8_t, uint8_t *, int); int dwarf_siblingof(Dwarf_Debug, Dwarf_Die, Dwarf_Die *, Dwarf_Error *); int dwarf_tag(Dwarf_Die, Dwarf_Half *, Dwarf_Error *); int dwarf_whatform(Dwarf_Attribute, Dwarf_Half *, Dwarf_Error *); void dwarf_dealloc(Dwarf_Debug, Dwarf_Ptr, Dwarf_Unsigned); void dwarf_dump(Dwarf_Debug); void dwarf_dump_abbrev(Dwarf_Debug); void dwarf_dump_av(Dwarf_Die, Dwarf_AttrValue); void dwarf_dump_dbgstr(Dwarf_Debug); void dwarf_dump_die(Dwarf_Die); void dwarf_dump_die_at_offset(Dwarf_Debug, Dwarf_Off); void dwarf_dump_info(Dwarf_Debug); void dwarf_dump_shstrtab(Dwarf_Debug); void dwarf_dump_strtab(Dwarf_Debug); void dwarf_dump_symtab(Dwarf_Debug); void dwarf_dump_raw(Dwarf_Debug); void dwarf_dump_tree(Dwarf_Debug); Dwarf_Func dwarf_find_function_by_offset(Dwarf_Debug dbg, Dwarf_Off off); Dwarf_Func dwarf_find_function_by_name(Dwarf_Debug dbg, const char *name); int dwarf_function_get_addr_range(Dwarf_Func f, Dwarf_Addr *low_pc, Dwarf_Addr *high_pc); int dwarf_function_is_inlined(Dwarf_Func f); void dwarf_function_iterate_inlined_instance(Dwarf_Func func, Dwarf_Inlined_Callback f, void *data); int dwarf_inlined_function_get_addr_range(Dwarf_Inlined_Func f, Dwarf_Addr *low_pc, Dwarf_Addr *high_pc); __END_DECLS #endif /* !_LIBDWARF_H_ */