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| -rw-r--r-- | gdb/ChangeLog | 4 | ||||
| -rw-r--r-- | gdb/dwarfread.c | 90 |
2 files changed, 58 insertions, 36 deletions
diff --git a/gdb/ChangeLog b/gdb/ChangeLog index fe34473..cb20d8d 100644 --- a/gdb/ChangeLog +++ b/gdb/ChangeLog @@ -1,3 +1,7 @@ +2003-12-01 Michael Chastain <mec.gnu@mindspring.com> + + * dwarfread.c: Update documentation on the state of dwarf-1. + 2003-12-01 Andrew Cagney <cagney@redhat.com> Obsolete old MIPS SVr3 and SVr4 systems. diff --git a/gdb/dwarfread.c b/gdb/dwarfread.c index b66d840..5d1518d 100644 --- a/gdb/dwarfread.c +++ b/gdb/dwarfread.c @@ -24,42 +24,60 @@ /* 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 + Go look in dwarf2read.c. This file is for the original DWARF, + also known as DWARF-1. + + DWARF-1 is slowly headed for obsoletion. + + In gcc HEAD 2003-11-29 16:28:31 UTC, no targets prefer dwarf-1. + + In gcc 3.3.2, these targets prefer dwarf-1: + + i[34567]86-sequent-ptx4* + i[34567]86-sequent-sysv4* + mips-sni-sysv4 + sparc-hal-solaris2* + + In gcc 3.2.2, these targets prefer dwarf-1: + + i[34567]86-dg-dgux* + i[34567]86-sequent-ptx4* + i[34567]86-sequent-sysv4* + m88k-dg-dgux* + mips-sni-sysv4 + sparc-hal-solaris2* + + In gcc 2.95.3, these targets prefer dwarf-1: + + i[34567]86-dg-dgux* + i[34567]86-ncr-sysv4* + i[34567]86-sequent-ptx4* + i[34567]86-sequent-sysv4* + i[34567]86-*-osf1* + i[34567]86-*-sco3.2v5* + i[34567]86-*-sysv4* + i860-alliant-* + i860-*-sysv4* + m68k-atari-sysv4* + m68k-cbm-sysv4* + m68k-*-sysv4* + m88k-dg-dgux* + m88k-*-sysv4* + mips-sni-sysv4 + mips-*-gnu* + sh-*-elf* + sh-*-rtemself* + sparc-hal-solaris2* + sparc-*-sysv4* + + Some non-gcc compilers produce dwarf-1: + + PR gdb/1179 was from a user with Diab C++ 4.3. + Other users have also reported using Diab compilers with dwarf-1. + On 2003-06-09 the gdb list received a report from a user + with Absoft ProFortran f77 which is dwarf-1. + + -- chastain 2003-12-01 */ /* |