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dwarf_get_cie_info(3) [freebsd man page]

DWARF_GET_CIE_INFO(3)					   BSD Library Functions Manual 				     DWARF_GET_CIE_INFO(3)

NAME
dwarf_get_cie_info -- retrieve information associated with a CIE descriptor LIBRARY
DWARF Access Library (libdwarf, -ldwarf) SYNOPSIS
#include <libdwarf.h> int dwarf_get_cie_info(Dwarf_Cie cie, Dwarf_Unsigned *cie_byte_len, Dwarf_Small *version, char **augmentation, Dwarf_Unsigned *caf, Dwarf_Unsigned *daf, Dwarf_Half *ra, Dwarf_Ptr *init_inst, Dwarf_Unsigned *inst_len, Dwarf_Error *err); DESCRIPTION
Function dwarf_get_cie_info() retrieves the information associated with a given CIE descriptor. Argument cie should reference a valid DWARF CIE descriptor, such as would be returned by function dwarf_get_cie_of_fde(3). Argument cie_byte_len should point to a location that will hold the length in bytes of the CIE descriptor itself. Argument version should point to a location that will hold the version number of the CIE descriptor. Arugment augmentation should point to a location that will be set to a pointer to a NUL-terminated string containing augmentation data encoded as UTF-8. Argument caf should point to a location that will hold the code alignment factor recorded in the CIE descriptor. Arugment daf should point to a location that will hold the data alignment factor recorded in the CIE descriptor. Argument ra should point to a location that will hold the return address recorded in the CIE descriptor. Argument init_inst should point to a location that will be set to a pointer to an array of bytes containing the initial instructions associ- ated with the CIE descriptor. Argument inst_len should point to a location that will hold the length in bytes of the initial instructions returned in argument init_inst. If argument err is not NULL, it will be used to store error information in case of an error. RETURN VALUES
Function dwarf_get_cie_info() returns DW_DLV_OK when it succeeds. In case of an error, it returns DW_DLV_ERROR and sets the argument err. ERRORS
Function dwarf_get_cie_info() can fail with: [DW_DLE_ARGUMENT] One of the arguments cie, cie_byte_len, version, augmentation, caf, daf, ra, init_inst or inst_len was NULL. SEE ALSO
dwarf(3), dwarf_get_cie_index(3), dwarf_get_cie_of_fde(3), dwarf_get_fde_at_pc(3), dwarf_get_fde_info_for_all_regs(3), dwarf_get_fde_info_for_all_regs3(3), dwarf_get_fde_info_for_cfa_reg3(3), dwarf_get_fde_info_for_reg(3), dwarf_get_fde_info_for_reg3(3), dwarf_get_fde_instr_bytes(3), dwarf_get_fde_list(3), dwarf_get_fde_list_eh(3), dwarf_get_fde_n(3), dwarf_get_fde_range(3) BSD
May 29, 2011 BSD

Check Out this Related Man Page

DWARF_GET_FDE_INFO_FOR_REG(3)				   BSD Library Functions Manual 			     DWARF_GET_FDE_INFO_FOR_REG(3)

NAME
dwarf_get_fde_info_for_reg -- retrieve register rule LIBRARY
DWARF Access Library (libdwarf, -ldwarf) SYNOPSIS
#include <libdwarf.h> int dwarf_get_fde_info_for_reg(Dwarf_Fde fde, Dwarf_Half table_column, Dwarf_Addr pc, Dwarf_Signed *offset_relevant, Dwarf_Signed *register_num, Dwarf_Signed *offset, Dwarf_Addr *row_pc, Dwarf_Error *error); DESCRIPTION
Function dwarf_get_fde_info_for_reg() retrieves a register rule from the register rule table associated with a given FDE descriptor, given a program counter address and rule column number. Argument fde should reference a valid DWARF FDE descriptor. Arugment table_column should hold the column number of the register rule desired. Argument pc should hold the program counter address to be used to locate the desired register rule row. On successful execution, dwarf_get_fde_info_for_reg() stores information about the register rule found into the locations pointed to by the arguments offset_relevant, register_num, offset and row_pc. If there is an offset value associated with the register rule, the location pointed to by argument offset_relevant will be set to 1. Argument register_num should point to a location which will hold the register number associated with the register rule. Argument offset should point to a location which will be set to the offset value associated with the register rule, or to 0 if the register rule does not have an offset value. Argument row_pc should point to a location which will be set to the lowest program counter address associated with the register rule found. If argument err is not NULL, it will be used to return an error descriptor in case of an error. COMPATIBILITY Function dwarf_get_fde_info_for_reg() is deprecated since it only supports DWARF2 frame sections. Applications should instead use function dwarf_get_fde_info_for_reg3(3) which supports both DWARF2 and DWARF3 frame sections. RETURN VALUES
Function dwarf_get_fde_info_for_reg() returns DW_DLV_OK when it succeeds. In case of an error, it returns DW_DLV_ERROR and sets the argument err. ERRORS
Function dwarf_get_fde_info_for_reg() can fail with: [DW_DLE_ARGUMENT] One of the arguments fde, offset_relevant, register_num, offset or row_pc was NULL. [DW_DLE_FRAME_TABLE_COL_BAD] The column number provided in argument table_column was too large. [DW_DLE_PC_NOT_IN_FDE_RANGE] The program counter value provided in argument pc did not fall in the range covered by argument fde. SEE ALSO
dwarf(3), dwarf_get_fde_at_pc(3), dwarf_get_fde_info_for_all_regs(3), dwarf_get_fde_info_for_all_regs3(3), dwarf_get_fde_info_for_cfa_reg3(3), dwarf_get_fde_info_for_reg3(3), dwarf_get_fde_n(3), dwarf_set_frame_cfa_value(3), dwarf_set_frame_rule_table_size(3), dwarf_set_frame_rule_initial_value(3), dwarf_set_frame_same_value(3), dwarf_set_frame_undefined_value(3) BSD
June 4, 2011 BSD