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Revert "kbuild: strip generated symbols from *.ko"

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This reverts commit ad7a953c52.

And commit: ("allow stripping of generated symbols under CONFIG_KALLSYMS_ALL")
            9bb482476c

These stripping patches has caused a set of issues:

1) People have reported compatibility issues with binutils due to
   lack of support for `--strip-unneeded-symbols' with objcopy 2.15.92.0.2
   Reported by: Wenji
2) ccache and distcc no longer works as expeced
   Reported by: Ted, Roland, + others
3) The installed modules increased a lot in size
   Reported by: Ted, Davej + others

Reported-by: Wenji Huang <wenji.huang@oracle.com>
Reported-by: "Theodore Ts'o" <tytso@mit.edu>
Reported-by: Dave Jones <davej@redhat.com>
Reported-by: Roland McGrath <roland@redhat.com>
Signed-off-by: Sam Ravnborg <sam@ravnborg.org>
This commit is contained in:
Sam Ravnborg
2009-01-14 21:38:20 +01:00
parent a6525042bf
commit 2ea038917b
12 changed files with 181 additions and 252 deletions
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21
scripts/kallsyms.c
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@@ -130,9 +130,18 @@ static int read_symbol(FILE *in, struct sym_entry *s)
static int symbol_valid(struct sym_entry *s)
{
/* Symbols which vary between passes. Passes 1 and 2 must have
* identical symbol lists.
* identical symbol lists. The kallsyms_* symbols below are only added
* after pass 1, they would be included in pass 2 when --all-symbols is
* specified so exclude them to get a stable symbol list.
*/
static char *special_symbols[] = {
"kallsyms_addresses",
"kallsyms_num_syms",
"kallsyms_names",
"kallsyms_markers",
"kallsyms_token_table",
"kallsyms_token_index",
/* Exclude linker generated symbols which vary between passes */
"_SDA_BASE_", /* ppc */
"_SDA2_BASE_", /* ppc */
@@ -164,9 +173,7 @@ static int symbol_valid(struct sym_entry *s)
}
/* Exclude symbols which vary between passes. */
if (strstr((char *)s->sym + offset, "_compiled.") ||
strncmp((char*)s->sym + offset, "__compound_literal.", 19) == 0 ||
strncmp((char*)s->sym + offset, "__compound_literal$", 19) == 0)
if (strstr((char *)s->sym + offset, "_compiled."))
return 0;
for (i = 0; special_symbols[i]; i++)
@@ -543,10 +550,8 @@ int main(int argc, char **argv)
usage();
read_map(stdin);
if (table_cnt) {
sort_symbols();
optimize_token_table();
}
sort_symbols();
optimize_token_table();
write_src();
return 0;