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| author | Paul Eggert <eggert@twinsun.com> | 1998-02-22 19:09:18 +0000 |
|---|---|---|
| committer | Jeff Law <law@gcc.gnu.org> | 1998-02-22 12:09:18 -0700 |
| commit | deabc777dab12bf025412fba97ddab1dbe07b0e8 (patch) | |
| tree | a21e7c779cf329647bf5fbe8f3857ed217c66b5a | |
| parent | 0e84e8fbcac77656efa9748795aba4ded95dabea (diff) | |
| download | gcc-deabc777dab12bf025412fba97ddab1dbe07b0e8.zip gcc-deabc777dab12bf025412fba97ddab1dbe07b0e8.tar.gz gcc-deabc777dab12bf025412fba97ddab1dbe07b0e8.tar.bz2 | |
sol2-sld.h (LINKER_DOES_NOT_WORK_WITH_DWARF2): Define this new symbol.
d
* config/sparc/sol2-sld.h (LINKER_DOES_NOT_WORK_WITH_DWARF2):
Define this new symbol.
(DWARF2_DEBUGGING_INFO, DWARF_DEBUGGING_INFO): Do not #undef.
* toplev.c (main): Do not default to DWARF2_DEBUG with -ggdb if
LINKER_DOES_NOT_WORK_WITH_DWARF2 is defined.
From-SVN: r18179
| -rw-r--r-- | gcc/ChangeLog | 8 | ||||
| -rw-r--r-- | gcc/tm.texi | 15 | ||||
| -rw-r--r-- | gcc/toplev.c | 2 |
3 files changed, 24 insertions, 1 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index 1779253..6841743 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,11 @@ +1998-02-22 Paul Eggert <eggert@twinsun.com> + + * config/sparc/sol2-sld.h (LINKER_DOES_NOT_WORK_WITH_DWARF2): + Define this new symbol. + (DWARF2_DEBUGGING_INFO, DWARF_DEBUGGING_INFO): Do not #undef. + * toplev.c (main): Do not default to DWARF2_DEBUG with -ggdb if + LINKER_DOES_NOT_WORK_WITH_DWARF2 is defined. + Sun Feb 22 20:07:32 1998 Jim Wilson <wilson@cygnus.com> * iris5.h (DWARF2_UNWIND_INFO): Define to 0. diff --git a/gcc/tm.texi b/gcc/tm.texi index 168ee40..aad6506 100644 --- a/gcc/tm.texi +++ b/gcc/tm.texi @@ -6261,6 +6261,14 @@ output. Currently, the allowable values are @code{DBX_DEBUG}, @code{SDB_DEBUG}, @code{DWARF_DEBUG}, @code{DWARF2_DEBUG}, and @code{XCOFF_DEBUG}. +If the user specifies @samp{-ggdb}, then there are two special cases +where this macro's value is ignored and another value is substituted. +If @code{DWARF2_DEBUGGING_INFO} is defined and +@code{LINKER_DOES_NOT_WORK_WITH_DWARF2} is not defined, then +@code{DWARF2_DEBUG} is substituted. Otherwise, if +@code{DBX_DEBUGGING_INFO} is defined, then @code{DBX_DEBUG} is +substituted. + The value of this macro only affects the default debugging output; the user can always get a specific type of output by using @samp{-gstabs}, @samp{-gcoff}, @samp{-gdwarf-1}, @samp{-gdwarf-2}, or @samp{-gxcoff}. @@ -6590,6 +6598,13 @@ define @code{INCOMING_RETURN_ADDR_RTX} and either set prologue, or call @code{dwarf2out_def_cfa} and @code{dwarf2out_reg_save} as appropriate from @code{FUNCTION_PROLOGUE} if you don't. +@findex LINKER_DOES_NOT_WORK_WITH_DWARF2 +@item LINKER_DOES_NOT_WORK_WITH_DWARF2 +Define this macro if the linker does not work with dwarf version 2. +Normally, if the user specifies only @samp{-ggdb}, then GNU CC will use +dwarf version 2 if available; this macro causes GNU CC to use the format +specified by @code{PREFERRED_DEBUGGING_TYPE} instead. + @findex PUT_SDB_@dots{} @item PUT_SDB_@dots{} Define these macros to override the assembler syntax for the special diff --git a/gcc/toplev.c b/gcc/toplev.c index d3a3287..ba3bf51 100644 --- a/gcc/toplev.c +++ b/gcc/toplev.c @@ -4199,7 +4199,7 @@ main (argc, argv, envp) type = PREFERRED_DEBUGGING_TYPE; if (len > 1 && strncmp (str, "ggdb", len) == 0) { -#ifdef DWARF2_DEBUGGING_INFO +#if defined (DWARF2_DEBUGGING_INFO) && !defined (LINKER_DOES_NOT_WORK_WITH_DWARF2) type = DWARF2_DEBUG; #else #ifdef DBX_DEBUGGING_INFO |