From 18a94d75a0a9baca8e2db2563fa3e637415ad86e Mon Sep 17 00:00:00 2001 From: Doug Evans Date: Fri, 19 Jun 2015 11:34:43 -0700 Subject: Remove special support in gdb for Sun's version of stabs. Discussion: https://sourceware.org/ml/gdb-patches/2015-05/msg00169.html gdb/ChangeLog: * NEWS: Mention Sun's version of stabs is no longer supported. * elfread.c (free_elfinfo): Delete. All uses updated. (elfstab_offset_sections): Delete. All uses updated. * gdb-stabs.h (stab_section_info): Delete. All uses updated. * psympriv.h (partial_symtab) : Delete. All uses updated. * psymtab.c (start_psymtab_common): Delete arg section_offsets. All callers updated. gdb/doc/ChangeLog: * stabs.texinfo (ELF Linker Relocation): Mention Sun stabs is no longer supported. --- gdb/doc/ChangeLog | 5 +++++ gdb/doc/stabs.texinfo | 7 ++++--- 2 files changed, 9 insertions(+), 3 deletions(-) (limited to 'gdb/doc') diff --git a/gdb/doc/ChangeLog b/gdb/doc/ChangeLog index 7d8002e..6d86750 100644 --- a/gdb/doc/ChangeLog +++ b/gdb/doc/ChangeLog @@ -1,3 +1,8 @@ +2015-06-19 Doug Evans + + * stabs.texinfo (ELF Linker Relocation): Mention Sun stabs is no + longer supported. + 2015-06-17 Patrick Palka * gdb.texinfo (Command History): Mention that setting diff --git a/gdb/doc/stabs.texinfo b/gdb/doc/stabs.texinfo index 181e171..15c4152 100644 --- a/gdb/doc/stabs.texinfo +++ b/gdb/doc/stabs.texinfo @@ -4062,7 +4062,8 @@ the @code{.stabstr} section. @appendixsec Having the Linker Relocate Stabs in ELF This section describes some Sun hacks for Stabs in ELF; it does not -apply to COFF or SOM. +apply to COFF or SOM. While @value{GDBN} no longer supports this hack +for Sun Stabs in ELF, this section is kept to document the issue. To keep linking fast, you don't want the linker to have to relocate very many stabs. Making sure this is done for @code{N_SLINE}, @@ -4100,8 +4101,8 @@ the address from the ELF symbols. Finding the correct @code{Bbss.bss}, etc., symbol is difficult, because the linker simply concatenates the @code{.stab} sections from each @file{.o} file without including any information about which part of a -@code{.stab} section comes from which @file{.o} file. The way GDB does -this is to look for an ELF @code{STT_FILE} symbol which has the same +@code{.stab} section comes from which @file{.o} file. The way GDB use to +do this is to look for an ELF @code{STT_FILE} symbol which has the same name as the last component of the file name from the @code{N_SO} symbol in the stabs (for example, if the file name is @file{../../gdb/main.c}, it looks for an ELF @code{STT_FILE} symbol named @code{main.c}). This -- cgit v1.1