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new attempt at working around the gcc 3 visibility bug

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since gcc is failing to generate the necessary ".hidden" directive in
the output asm, generate it explicitly with an __asm__ statement...
This commit is contained in:
Rich Felker 2012-02-24 20:07:21 -05:00
parent 7fa29920ed
commit 78e79d9d50
3 changed files with 11 additions and 0 deletions
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4
src/internal/libc.c
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@ -9,3 +9,7 @@ struct __libc *__libc_loc()
#else #else
struct __libc __libc; struct __libc __libc;
#endif #endif
#ifdef BROKEN_VISIBILITY
__asm__(".hidden __libc");
#endif

3
src/internal/libc.h
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@ -22,6 +22,9 @@ struct __libc {
#if !defined(__PIC__) || 100*__GNUC__+__GNUC_MINOR__ >= 303 || defined(__PCC__) || defined(__TINYC__) #if !defined(__PIC__) || 100*__GNUC__+__GNUC_MINOR__ >= 303 || defined(__PCC__) || defined(__TINYC__)
#ifdef __PIC__ #ifdef __PIC__
#if __GNUC__ < 4
#define BROKEN_VISIBILITY 1
#endif
#define ATTR_LIBC_VISIBILITY __attribute__((visibility("hidden"))) #define ATTR_LIBC_VISIBILITY __attribute__((visibility("hidden")))
#else #else
#define ATTR_LIBC_VISIBILITY #define ATTR_LIBC_VISIBILITY

4
src/multibyte/internal.c
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@ -32,3 +32,7 @@ const uint32_t bittab[] = {
E(0x8),E(0x9),E(0xa),E(0xb),E(0xc),E(0xd),E(0xe),E(0xf), E(0x8),E(0x9),E(0xa),E(0xb),E(0xc),E(0xd),E(0xe),E(0xf),
F(0x0),F(0x1),F(0x2),F(0x3),F(0x4) F(0x0),F(0x1),F(0x2),F(0x3),F(0x4)
}; };
#ifdef BROKEN_VISIBILITY
__asm__(".hidden __fsmu8");
#endif