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Allow for __gnu_lto_slim prefixed with extra "_"

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Some targets prefix global symbols with "_".

bfd/
	* archive.c (_bfd_compute_and_write_armap): Match "__gnu_lto_slim"
	optionally prefixed with "_".
	* linker.c (_bfd_generic_link_add_one_symbol): Likewise.
binutils/
	* nm.c (filter_symbols): Match "__gnu_lto_slim" optionally prefixed
	with "_".
gold/
	* symtab.cc (Symbol_table::add_from_relobj): Match "__gnu_lto_slim"
	optionally prefixed with "_".
ld/
	* testsuite/ld-plugin/lto-3r.d: Match "__gnu_lto_v" optionally
	prefixed with "_".
	* testsuite/ld-plugin/lto-5r.d: Likewise.
This commit is contained in:
Alan Modra 2017-10-25 15:32:52 +10:30
parent 94092126a0
commit e601d38b7c
10 changed files with 38 additions and 6 deletions
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6
bfd/ChangeLog
View File

@ -1,3 +1,9 @@
2017-10-25 Alan Modra <amodra@gmail.com>
* archive.c (_bfd_compute_and_write_armap): Match "__gnu_lto_slim"
optionally prefixed with "_".
* linker.c (_bfd_generic_link_add_one_symbol): Likewise.
2017-10-24 Andrew Waterman <andrew@sifive.com>
* elfnn-riscv.c (_bfd_riscv_relax_lui): Don't relax to c.lui

6
bfd/archive.c
View File

@ -2411,7 +2411,11 @@ _bfd_compute_and_write_armap (bfd *arch, unsigned int elength)
map = new_map;
}
if (strcmp (syms[src_count]->name, "__gnu_lto_slim") == 0)
if (syms[src_count]->name[0] == '_'
&& syms[src_count]->name[1] == '_'
&& strcmp (syms[src_count]->name
+ (syms[src_count]->name[2] == '_'),
"__gnu_lto_slim") == 0)
_bfd_error_handler
(_("%B: plugin needed to handle lto object"),
current);

4
bfd/linker.c
View File

@ -1403,7 +1403,9 @@ _bfd_generic_link_add_one_symbol (struct bfd_link_info *info,
{
row = COMMON_ROW;
if (!bfd_link_relocatable (info)
&& strcmp (name, "__gnu_lto_slim") == 0)
&& name[0] == '_'
&& name[1] == '_'
&& strcmp (name + (name[2] == '_'), "__gnu_lto_slim") == 0)
_bfd_error_handler
(_("%B: plugin needed to handle lto object"), abfd);
}

5
binutils/ChangeLog
View File

@ -1,3 +1,8 @@
2017-10-25 Alan Modra <amodra@gmail.com>
* nm.c (filter_symbols): Match "__gnu_lto_slim" optionally prefixed
with "_".
2017-10-18 Eric Botcazou <ebotcazou@adacore.com>
* MAINTAINERS: Add myself as Visium maintainer.

4
binutils/nm.c
View File

@ -478,7 +478,9 @@ filter_symbols (bfd *abfd, bfd_boolean is_dynamic, void *minisyms,
if (sym == NULL)
bfd_fatal (bfd_get_filename (abfd));
if (strcmp (sym->name, "__gnu_lto_slim") == 0)
if (sym->name[0] == '_'
&& sym->name[1] == '_'
&& strcmp (sym->name + (sym->name[2] == '_'), "__gnu_lto_slim") == 0)
non_fatal (_("%s: plugin needed to handle lto object"),
bfd_get_filename (abfd));

5
gold/ChangeLog
View File

@ -1,3 +1,8 @@
2017-10-25 Alan Modra <amodra@gmail.com>
* symtab.cc (Symbol_table::add_from_relobj): Match "__gnu_lto_slim"
optionally prefixed with "_".
2017-10-20 Sriraman Tallam <tmsriram@google.com>
* options.h (-z,text_unlikely_segment): New option.

4
gold/symtab.cc
View File

@ -1185,7 +1185,9 @@ Symbol_table::add_from_relobj(
const char* name = sym_names + st_name;
if (!parameters->options().relocatable()
&& strcmp (name, "__gnu_lto_slim") == 0)
&& name[0] == '_'
&& name[1] == '_'
&& strcmp (name + (name[2] == '_'), "__gnu_lto_slim") == 0)
gold_info(_("%s: plugin needed to handle lto object"),
relobj->name().c_str());

6
ld/ChangeLog
View File

@ -1,3 +1,9 @@
2017-10-25 Alan Modra <amodra@gmail.com>
* testsuite/ld-plugin/lto-3r.d: Match "__gnu_lto_v" optionally
prefixed with "_".
* testsuite/ld-plugin/lto-5r.d: Likewise.
2017-10-25 Hans-Peter Nilsson <hp@axis.com>
* testsuite/ld-riscv-elf/ld-riscv-elf.exp: Fix typo for istarget.

2
ld/testsuite/ld-plugin/lto-3r.d
View File

@ -3,5 +3,5 @@
#nm: -p
#...
[0-9a-f]+ C __gnu_lto_v.*
[0-9a-f]+ C _?__gnu_lto_v.*
#pass

2
ld/testsuite/ld-plugin/lto-5r.d
View File

@ -3,5 +3,5 @@
#nm: -p
#...
[0-9a-f]+ C __gnu_lto_v.*
[0-9a-f]+ C _?__gnu_lto_v.*
#pass