Imported Upstream version 20120410upstream/20120410upstream

1 files changed, 106 insertions, 0 deletions

diff --git a/dwarfdump/dwconf.h b/dwarfdump/dwconf.h
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+++ b/dwarfdump/dwconf.h
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+/*
+    Copyright (C) 2006 Silicon Graphics, Inc.  All Rights Reserved.
+    Portions Copyright 2011 David Anderson. All Rights Reserved.
+
+    This program is free software; you can redistribute it and/or modify it
+    under the terms of version 2 of the GNU 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 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
+
+
+    $Header: /plroot/cmplrs.src/v7.4.5m/.RCS/PL/dwarfdump/RCS/dwconf.h,v 1.2 2006/04/18 04:29:39 davea Exp $ */
+
+
+/* declarations helping configure the frame reader.  */
+struct dwconf_s {
+    char *cf_config_file_path;
+    char *cf_abi_name;
+
+    /*  2 for old, 3 for frame interface 3. 2 means use the old
+        mips-abi-oriented frame interface. 3 means use the new
+        DWARF3-capable and configureable-abi interface.
+
+        Now, anyone who revises dwarf.h and libdwarf.h to match their
+        abi-of-interest will still be able to use cf_interface_number 2
+        as before.  But most folks don't update those header files and
+        instead of making *them* configurable we make dwarfdump (and
+        libdwarf) configurable sufficiently to print frame information
+        sensibly. */
+    int cf_interface_number;
+
+    /* The number of table rules , aka columns. For MIPS/IRIX is 66. */
+    unsigned long cf_table_entry_count;
+
+    /*  Array of cf_table_entry_count reg names. Names not filled in
+        from dwarfdump.conf have NULL (0) pointer value. 
+        cf_named_regs_table_size must match size of cf_regs array.
+        Set cf_regs_malloced  1  if table was malloced. Set 0
+        if static.
+        */
+    char **cf_regs;
+    unsigned long cf_named_regs_table_size;
+    int    cf_regs_malloced; 
+
+    /*  The 'default initial value' when intializing a table. for MIPS
+        is DW_FRAME_SAME_VAL(1035). For other ISA/ABIs may be
+        DW_FRAME_UNDEFINED_VAL(1034). */
+    int cf_initial_rule_value;
+    int cf_same_val;
+    int cf_undefined_val;
+
+    /*  The number of the cfa 'register'. For cf_interface_number 2 of 
+        MIPS this is 0. For other architectures (and anytime using
+        cf_interface_number 3) this should be outside the table, a
+        special value such as 1436, not a table column at all).  */
+    int cf_cfa_reg;
+
+    /*  If non-zero it is the number of bytes in an address
+        for the frame data.  Normally it will be zero because
+        there are usually other sources for the correct address size.
+        However, with DWARF2 frame data there is no explicit address
+        size in the frame data and the object file might not have
+        other .debug_ sections to work with. 
+        If zero, no address size was supplied, and that is normal and
+        the already-set (or defaulted) address size is to be used.
+        Only an exceptional frame configure will specify address
+        size here.  This won't work at all if the object needing
+        this setting has different address size in different CUs. */
+    int cf_address_size;
+};
+
+
+/* Returns DW_DLV_OK if works. DW_DLV_ERROR if cannot do what is asked. */
+int find_conf_file_and_read_config(const char *named_file,
+    const char *named_abi, char **defaults,
+    struct dwconf_s *conf_out);
+void init_conf_file_data(struct dwconf_s *config_file_data);
+void init_mips_conf_file_data(struct dwconf_s *config_file_data);
+
+void print_reg_from_config_data(Dwarf_Signed reg,
+    struct dwconf_s *config_data);
+
+
+void init_generic_config_1200_regs(struct dwconf_s *conf);