mirror of git://gcc.gnu.org/git/gcc.git
common.opt (flag_debug_types_section): Default to 0.
* common.opt (flag_debug_types_section): Default to 0. (dwarf_version): Default to 4. (dwarf_record_gcc_switches): Default to 1. (dwarf_strict): Default to 0. * toplev.c (process_options): Don't handle dwarf_strict or dwarf_version here. * config/vxworks.c (vxworks_override_options): Don't test whether dwarf_strict or dwarf_version are negative, instead test !global_options_set.x_dwarf_*. * config/darwin.c (darwin_override_options): Default to dwarf_version 2. * doc/invoke.texi: Note that -gdwarf-4, -grecord-gcc-switches and -fno-debug-types-section are now the default. From-SVN: r186835
This commit is contained in:
Jakub Jelinek
Jakub Jelinek
parent
9c8305f8fc
commit
98095aa337
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@ -1,3 +1,19 @@
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2012-04-25 Jakub Jelinek <jakub@redhat.com>
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* common.opt (flag_debug_types_section): Default to 0.
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(dwarf_version): Default to 4.
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(dwarf_record_gcc_switches): Default to 1.
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(dwarf_strict): Default to 0.
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* toplev.c (process_options): Don't handle dwarf_strict
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or dwarf_version here.
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* config/vxworks.c (vxworks_override_options): Don't
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test whether dwarf_strict or dwarf_version are negative,
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instead test !global_options_set.x_dwarf_*.
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* config/darwin.c (darwin_override_options): Default to
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dwarf_version 2.
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* doc/invoke.texi: Note that -gdwarf-4, -grecord-gcc-switches
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and -fno-debug-types-section are now the default.
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2012-04-25 Jan Hubicka <jh@suse.cz>
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* cgraphunit.c: Update toplevel comment.
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@ -967,7 +967,7 @@ Common Joined RejectNegative Var(common_deferred_options) Defer
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Map one directory name to another in debug information
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fdebug-types-section
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Common Report Var(flag_debug_types_section) Init(1)
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Common Report Var(flag_debug_types_section) Init(0)
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Output .debug_types section when using DWARF v4 debuginfo.
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; Nonzero for -fdefer-pop: don't pop args after each function call
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@ -2212,7 +2212,7 @@ Common JoinedOrMissing Negative(gdwarf-)
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Generate debug information in COFF format
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gdwarf-
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Common Joined UInteger Var(dwarf_version) Init(-1) Negative(gstabs)
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Common Joined UInteger Var(dwarf_version) Init(4) Negative(gstabs)
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Generate debug information in DWARF v2 (or later) format
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ggdb
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@ -2220,7 +2220,7 @@ Common JoinedOrMissing
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Generate debug information in default extended format
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gno-record-gcc-switches
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Common RejectNegative Var(dwarf_record_gcc_switches,0) Init(0)
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Common RejectNegative Var(dwarf_record_gcc_switches,0) Init(1)
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Don't record gcc command line switches in DWARF DW_AT_producer.
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grecord-gcc-switches
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@ -2236,7 +2236,7 @@ Common JoinedOrMissing Negative(gvms)
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Generate debug information in extended STABS format
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gno-strict-dwarf
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Common RejectNegative Var(dwarf_strict,0) Init(-1)
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Common RejectNegative Var(dwarf_strict,0) Init(0)
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Emit DWARF additions beyond selected version
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gstrict-dwarf
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@ -1,6 +1,6 @@
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/* Functions for generic Darwin as target machine for GNU C compiler.
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Copyright (C) 1989, 1990, 1991, 1992, 1993, 2000, 2001, 2002, 2003, 2004,
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2005, 2006, 2007, 2008, 2009, 2010, 2011
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2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012
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Free Software Foundation, Inc.
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Contributed by Apple Computer Inc.
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@ -2973,6 +2973,8 @@ darwin_override_options (void)
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workaround for tool bugs. */
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if (!global_options_set.x_dwarf_strict)
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dwarf_strict = 1;
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if (!global_options_set.x_dwarf_version)
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dwarf_version = 2;
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/* Do not allow unwind tables to be generated by default for m32.
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fnon-call-exceptions will override this, regardless of what we do. */
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@ -1,5 +1,5 @@
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/* Common VxWorks target definitions for GNU compiler.
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Copyright (C) 2007, 2008, 2010
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Copyright (C) 2007, 2008, 2010, 2012
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Free Software Foundation, Inc.
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Contributed by CodeSourcery, Inc.
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@ -147,9 +147,9 @@ vxworks_override_options (void)
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/* Default to strict dwarf-2 to prevent potential difficulties observed with
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non-gdb debuggers on extensions > 2. */
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if (dwarf_strict < 0)
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if (!global_options_set.x_dwarf_strict)
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dwarf_strict = 1;
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if (dwarf_version < 0)
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if (!global_options_set.x_dwarf_version)
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dwarf_version = 2;
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}
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@ -4781,14 +4781,16 @@ normally emits debugging information for classes because using this
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option increases the size of debugging information by as much as a
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factor of two.
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@item -fno-debug-types-section
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@opindex fno-debug-types-section
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@item -fdebug-types-section
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@opindex fdebug-types-section
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By default when using DWARF Version 4 or higher, type DIEs are put into
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@opindex fno-debug-types-section
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When using DWARF Version 4 or higher, type DIEs can be put into
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their own @code{.debug_types} section instead of making them part of the
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@code{.debug_info} section. It is more efficient to put them in a separate
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comdat sections since the linker can then remove duplicates.
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But not all DWARF consumers support @code{.debug_types} sections yet.
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But not all DWARF consumers support @code{.debug_types} sections yet
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and on some objects @code{.debug_types} produces larger instead of smaller
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debugging information.
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@item -gstabs+
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@opindex gstabs+
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@ -4819,7 +4821,8 @@ assembler (GAS) to fail with an error.
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@item -gdwarf-@var{version}
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@opindex gdwarf-@var{version}
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Produce debugging information in DWARF format (if that is supported).
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The value of @var{version} may be either 2, 3 or 4; the default version is 2.
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The value of @var{version} may be either 2, 3 or 4; the default version
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for most targets is 4.
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Note that with DWARF Version 2, some ports require and always
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use some non-conflicting DWARF 3 extensions in the unwind tables.
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@ -4834,12 +4837,12 @@ compiler that may affect code generation to be appended to the
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DW_AT_producer attribute in DWARF debugging information. The options
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are concatenated with spaces separating them from each other and from
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the compiler version. See also @option{-frecord-gcc-switches} for another
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way of storing compiler options into the object file.
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way of storing compiler options into the object file. This is the default.
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@item -gno-record-gcc-switches
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@opindex gno-record-gcc-switches
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Disallow appending command-line options to the DW_AT_producer attribute
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in DWARF debugging information. This is the default.
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in DWARF debugging information.
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@item -gstrict-dwarf
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@opindex gstrict-dwarf
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@ -1375,15 +1375,6 @@ process_options (void)
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}
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}
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/* Unless over-ridden for the target, assume that all DWARF levels
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may be emitted, if DWARF2_DEBUG is selected. */
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if (dwarf_strict < 0)
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dwarf_strict = 0;
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/* And select a default dwarf level. */
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if (dwarf_version < 0)
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dwarf_version = 2;
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/* A lot of code assumes write_symbols == NO_DEBUG if the debugging
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level is 0. */
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if (debug_info_level == DINFO_LEVEL_NONE)
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