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authorIgor Pashev <pashev.igor@gmail.com>2012-10-20 14:42:03 +0400
committerIgor Pashev <pashev.igor@gmail.com>2012-10-20 14:42:03 +0400
commitbb1c3da3c12651f1c408d96dd6d33ae157bdadd6 (patch)
tree4a535b35500684ac6a928bf0fd661325b5a04697 /libdwarf/pro_frame.h
downloaddwarfutils-bb1c3da3c12651f1c408d96dd6d33ae157bdadd6.tar.gz
Imported Upstream version 20120410upstream/20120410upstream
Diffstat (limited to 'libdwarf/pro_frame.h')
-rw-r--r--libdwarf/pro_frame.h129
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;
+};