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| author | Cary Coutant <ccoutant@google.com> | 2008-12-05 21:13:35 +0000 |
|---|---|---|
| committer | Cary Coutant <ccoutant@google.com> | 2008-12-05 21:13:35 +0000 |
| commit | fd06b4aa51e5e4b322f4784e3ea248e25aab733a (patch) | |
| tree | a7ba84deb25f1e34d89df746d8728a0396dec609 | |
| parent | 116e096528b54672ab60a35e88312ca57200232c (diff) | |
| download | gdb-fd06b4aa51e5e4b322f4784e3ea248e25aab733a.zip gdb-fd06b4aa51e5e4b322f4784e3ea248e25aab733a.tar.gz gdb-fd06b4aa51e5e4b322f4784e3ea248e25aab733a.tar.bz2 | |
* layout.cc (Layout::include_section): Check for SHF_EXCLUDE.
Handle --strip-lto-sections option.
* options.h (strip_lto_sections): New option.
| -rw-r--r-- | gold/ChangeLog | 6 | ||||
| -rw-r--r-- | gold/layout.cc | 11 | ||||
| -rw-r--r-- | gold/options.h | 2 |
3 files changed, 19 insertions, 0 deletions
diff --git a/gold/ChangeLog b/gold/ChangeLog index da757f0..7d0d9cc 100644 --- a/gold/ChangeLog +++ b/gold/ChangeLog @@ -1,3 +1,9 @@ +2008-12-05 Cary Coutant <ccoutant@google.com> + + * layout.cc (Layout::include_section): Check for SHF_EXCLUDE. + Handle --strip-lto-sections option. + * options.h (strip_lto_sections): New option. + 2008-12-01 Cary Coutant <ccoutant@google.com> * plugin.cc (ld_plugin_message): Change format parameter to const. diff --git a/gold/layout.cc b/gold/layout.cc index ec9654e..2097b6d 100644 --- a/gold/layout.cc +++ b/gold/layout.cc @@ -206,6 +206,9 @@ bool Layout::include_section(Sized_relobj<size, big_endian>*, const char* name, const elfcpp::Shdr<size, big_endian>& shdr) { + if (shdr.get_sh_flags() & elfcpp::SHF_EXCLUDE) + return false; + switch (shdr.get_sh_type()) { case elfcpp::SHT_NULL: @@ -256,6 +259,14 @@ Layout::include_section(Sized_relobj<size, big_endian>*, const char* name, && !is_gdb_debug_section(name)) return false; } + if (parameters->options().strip_lto_sections() + && !parameters->options().relocatable() + && (shdr.get_sh_flags() & elfcpp::SHF_ALLOC) == 0) + { + // Ignore LTO sections containing intermediate code. + if (is_prefix_of(".gnu.lto_", name)) + return false; + } return true; default: diff --git a/gold/options.h b/gold/options.h index be08d99..f92184f 100644 --- a/gold/options.h +++ b/gold/options.h @@ -748,6 +748,8 @@ class General_options DEFINE_bool(strip_debug_gdb, options::TWO_DASHES, '\0', false, N_("Strip debug symbols that are unused by gdb " "(at least versions <= 6.7)"), NULL); + DEFINE_bool(strip_lto_sections, options::TWO_DASHES, '\0', true, + N_("Strip LTO intermediate code sections"), NULL); DEFINE_bool(shared, options::ONE_DASH, '\0', false, N_("Generate shared library"), NULL); |