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author | Igor Pashev <pashev.igor@gmail.com> | 2012-10-20 14:42:03 +0400 |
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committer | Igor Pashev <pashev.igor@gmail.com> | 2012-10-20 14:42:03 +0400 |
commit | bb1c3da3c12651f1c408d96dd6d33ae157bdadd6 (patch) | |
tree | 4a535b35500684ac6a928bf0fd661325b5a04697 /libdwarf/pro_frame.h | |
download | dwarfutils-bb1c3da3c12651f1c408d96dd6d33ae157bdadd6.tar.gz |
Imported Upstream version 20120410upstream/20120410upstream
Diffstat (limited to 'libdwarf/pro_frame.h')
-rw-r--r-- | libdwarf/pro_frame.h | 129 |
1 files changed, 129 insertions, 0 deletions
diff --git a/libdwarf/pro_frame.h b/libdwarf/pro_frame.h new file mode 100644 index 0000000..883f084 --- /dev/null +++ b/libdwarf/pro_frame.h @@ -0,0 +1,129 @@ +/* + + Copyright (C) 2000,2004 Silicon Graphics, Inc. All Rights Reserved. + + This program is free software; you can redistribute it and/or modify it + under the terms of version 2.1 of the GNU Lesser General Public License + as published by the Free Software Foundation. + + This program is distributed in the hope that it would be useful, but + WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. + + Further, this software is distributed without any warranty that it is + free of the rightful claim of any third person regarding infringement + or the like. Any license provided herein, whether implied or + otherwise, applies only to this software file. Patent licenses, if + any, provided herein do not apply to combinations of this program with + other software, or any other product whatsoever. + + You should have received a copy of the GNU Lesser General Public + License along with this program; if not, write the Free Software + Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston MA 02110-1301, + USA. + + Contact information: Silicon Graphics, Inc., 1500 Crittenden Lane, + Mountain View, CA 94043, or: + + http://www.sgi.com + + For further information regarding this notice, see: + + http://oss.sgi.com/projects/GenInfo/NoticeExplan + +*/ + + + +/* + Largest register value that can be coded into + the opcode since there are only 6 bits in the + register field. +*/ +#define MAX_6_BIT_VALUE 0x3f + +/* This struct holds debug_frame instructions */ +typedef struct Dwarf_P_Frame_Pgm_s *Dwarf_P_Frame_Pgm; + +struct Dwarf_P_Frame_Pgm_s { + Dwarf_Ubyte dfp_opcode; /* opcode - includes reg # */ + char *dfp_args; /* operands */ + int dfp_nbytes; /* number of bytes in args */ +#if 0 + Dwarf_Unsigned dfp_sym_index; /* 0 unless reloc needed */ +#endif + Dwarf_P_Frame_Pgm dfp_next; +}; + + +/* + This struct has cie related information. Used to gather data + from user program, and later to transform to disk form +*/ +struct Dwarf_P_Cie_s { + Dwarf_Ubyte cie_version; + char *cie_aug; /* augmentation */ + Dwarf_Ubyte cie_code_align; /* alignment of code */ + Dwarf_Sbyte cie_data_align; + Dwarf_Ubyte cie_ret_reg; /* return register # */ + char *cie_inst; /* initial instruction */ + long cie_inst_bytes; + /* no of init_inst */ + Dwarf_P_Cie cie_next; +}; + + +/* producer fields */ +struct Dwarf_P_Fde_s { + Dwarf_Unsigned fde_unused1; + + /* function/subr die for this fde */ + Dwarf_P_Die fde_die; + + /* index to asso. cie */ + Dwarf_Word fde_cie; + + /* Address of first location of the code this frame applies to If + fde_end_symbol non-zero, this represents the offset from the + symbol indicated by fde_r_symidx */ + Dwarf_Addr fde_initloc; + + /* Relocation symbol for address of the code this frame applies to. */ + Dwarf_Unsigned fde_r_symidx; + + /* Bytes of instr for this fde, if known */ + Dwarf_Unsigned fde_addr_range; + + /* linked list of instructions we will put in fde. */ + Dwarf_P_Frame_Pgm fde_inst; + + /* number of instructions in fde */ + long fde_n_inst; + + /* number of bytes of inst in fde */ + long fde_n_bytes; + + /* offset into exception table for this function. */ + Dwarf_Signed fde_offset_into_exception_tables; + + /* The symbol for the exception table elf section. */ + Dwarf_Unsigned fde_exception_table_symbol; + + /* pointer to last inst */ + Dwarf_P_Frame_Pgm fde_last_inst; + + Dwarf_P_Fde fde_next; + + /* The symbol and offset of the end symbol. When fde_end_symbol is + non-zero we must represent the */ + Dwarf_Addr fde_end_symbol_offset; + Dwarf_Unsigned fde_end_symbol; + + int fde_uwordb_size; + Dwarf_P_Debug fde_dbg; + + /* If fde_block is non-null, then it is the set of instructions. + so we should use it rather than fde_inst. */ + Dwarf_Unsigned fde_inst_block_size; + void *fde_block; +}; |