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| author | Michael Chastain <mec@google.com> | 2003-02-05 06:48:55 +0000 |
|---|---|---|
| committer | Michael Chastain <mec@google.com> | 2003-02-05 06:48:55 +0000 |
| commit | 5ae7ca1d5be643fac832eeb6e3fb3c0f6a18f4c4 (patch) | |
| tree | 2db9e6c29a95bdf22bf89ed7c6df2579364c45ef | |
| parent | d08a4280648ec343f7f7ee58f4c8ba7b02b5b46f (diff) | |
| download | gdb-5ae7ca1d5be643fac832eeb6e3fb3c0f6a18f4c4.zip gdb-5ae7ca1d5be643fac832eeb6e3fb3c0f6a18f4c4.tar.gz gdb-5ae7ca1d5be643fac832eeb6e3fb3c0f6a18f4c4.tar.bz2 | |
2003-02-04 Michael Chastain <mec@shout.net>
* dwarfread.c: Add documentation on the state of dwarf-1,
looking towards obsoletion.
| -rw-r--r-- | gdb/ChangeLog | 5 | ||||
| -rw-r--r-- | gdb/dwarfread.c | 40 |
2 files changed, 45 insertions, 0 deletions
diff --git a/gdb/ChangeLog b/gdb/ChangeLog index 46c0ed3..187e63b 100644 --- a/gdb/ChangeLog +++ b/gdb/ChangeLog @@ -1,3 +1,8 @@ +2003-02-04 Michael Chastain <mec@shout.net> + + * dwarfread.c: Add documentation on the state of dwarf-1, + looking towards obsoletion. + 2003-02-03 Michael Chastain <mec@shout.net> * config/djgpp/fnchange.lst: Add gdb/testsuite/gdb.c++/pr-1023.cc, 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). |