[SPARC]: Fix dot-symbol exporting for good.
From: Al Viro <viro@ZenIV.linux.org.uk>
Instead of playing all of these hand-coded assembler aliasing games,
just translate symbol names in the name space ".sym" to "_Sym" at
module load time.
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/arch/sparc/kernel/module.c b/arch/sparc/kernel/module.c
index 7931d6f..787d5f1 100644
--- a/arch/sparc/kernel/module.c
+++ b/arch/sparc/kernel/module.c
@@ -10,6 +10,7 @@
#include <linux/vmalloc.h>
#include <linux/fs.h>
#include <linux/string.h>
+#include <linux/ctype.h>
void *module_alloc(unsigned long size)
{
@@ -37,7 +38,7 @@
}
/* Make generic code ignore STT_REGISTER dummy undefined symbols,
- * and replace references to .func with func as in ppc64's dedotify.
+ * and replace references to .func with _Func
*/
int module_frob_arch_sections(Elf_Ehdr *hdr,
Elf_Shdr *sechdrs,
@@ -64,8 +65,10 @@
sym[i].st_shndx = SHN_ABS;
else {
char *name = strtab + sym[i].st_name;
- if (name[0] == '.')
- memmove(name, name+1, strlen(name));
+ if (name[0] == '.') {
+ name[0] = '_';
+ name[1] = toupper(name[1]);
+ }
}
}
}
diff --git a/arch/sparc/kernel/sparc_ksyms.c b/arch/sparc/kernel/sparc_ksyms.c
index f848093..1c8fd0f 100644
--- a/arch/sparc/kernel/sparc_ksyms.c
+++ b/arch/sparc/kernel/sparc_ksyms.c
@@ -97,19 +97,12 @@
/* Alias functions whose names begin with "." and export the aliases.
* The module references will be fixed up by module_frob_arch_sections.
*/
-#define DOT_ALIAS2(__ret, __x, __arg1, __arg2) \
- extern __ret __x(__arg1, __arg2); \
- asm(".weak " #__x);\
- asm(#__x "=." #__x);
-
-DOT_ALIAS2(int, div, int, int)
-DOT_ALIAS2(int, mul, int, int)
-DOT_ALIAS2(int, rem, int, int)
-DOT_ALIAS2(unsigned, udiv, unsigned, unsigned)
-DOT_ALIAS2(unsigned, umul, unsigned, unsigned)
-DOT_ALIAS2(unsigned, urem, unsigned, unsigned)
-
-#undef DOT_ALIAS2
+extern int _Div(int, int);
+extern int _Mul(int, int);
+extern int _Rem(int, int);
+extern unsigned _Udiv(unsigned, unsigned);
+extern unsigned _Umul(unsigned, unsigned);
+extern unsigned _Urem(unsigned, unsigned);
/* used by various drivers */
EXPORT_SYMBOL(sparc_cpu_model);
@@ -320,12 +313,12 @@
EXPORT_SYMBOL(__muldi3);
EXPORT_SYMBOL(__divdi3);
-EXPORT_SYMBOL(rem);
-EXPORT_SYMBOL(urem);
-EXPORT_SYMBOL(mul);
-EXPORT_SYMBOL(umul);
-EXPORT_SYMBOL(div);
-EXPORT_SYMBOL(udiv);
+EXPORT_SYMBOL(_Rem);
+EXPORT_SYMBOL(_Urem);
+EXPORT_SYMBOL(_Mul);
+EXPORT_SYMBOL(_Umul);
+EXPORT_SYMBOL(_Div);
+EXPORT_SYMBOL(_Udiv);
#ifdef CONFIG_DEBUG_BUGVERBOSE
EXPORT_SYMBOL(do_BUG);