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Diffstat (limited to 'gdb/dwarfread.c')
| -rw-r--r-- | gdb/dwarfread.c | 40 |
1 files changed, 40 insertions, 0 deletions
diff --git a/gdb/dwarfread.c b/gdb/dwarfread.c index ea72fc0..709c7da 100644 --- a/gdb/dwarfread.c +++ b/gdb/dwarfread.c @@ -23,6 +23,46 @@ Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ /* + If you are looking for DWARF-2 support, you are in the wrong file. + Go look in dwarf2read.c. This file is for the original DWARF. + + DWARF (also known as DWARF-1) is headed for obsoletion. + + In gcc 3.2.1, these targets prefer dwarf-1: + + i[34567]86-sequent-ptx4* # TD-R2 + i[34567]86-sequent-sysv4* # TD-R2 + i[34567]86-dg-dgux* # obsolete in gcc 3.2.1, to be removed in 3.3 + m88k-dg-dgux* # TD-R2 + mips-sni-sysv4 # TD-R2 + sparc-hal-solaris2* # TD-R2 + + Configurations marked with "# TD-R2" are on Zach Weinberg's list + of "Target Deprecation, Round 2". This is a candidate list of + targets to be deprecated in gcc 3.3 and removed in gcc 3.4. + + http://gcc.gnu.org/ml/gcc/2002-12/msg00702.html + + gcc 2.95.3 had many configurations which prefer dwarf-1. + We may have to support dwarf-1 as long as we support gcc 2.95.3. + This could use more analysis. + + DG/UX (Data General Unix) used dwarf-1 for its native format. + DG/UX uses gcc for its system C compiler, but they have their + own linker and their own debuggers. + + Takis Psarogiannakopoulos has a complete gnu toolchain for DG/UX + with gcc 2.95.3, gdb 5.1, and debug formats of dwarf-2 and stabs. + For more info, see PR gdb/979 and PR gdb/1013; also: + + http://sources.redhat.com/ml/gdb/2003-02/msg00074.html + + There may be non-gcc compilers that still emit dwarf-1. + + -- chastain 2003-02-04 +*/ + +/* FIXME: Do we need to generate dependencies in partial symtabs? (Perhaps we don't need to). |