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Differential D1179 Diff 2486 head/lib/libc/gen/tls.c

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head/lib/libc/gen/tls.c

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#if defined(__arm__) || defined(__mips__) || defined(__powerpc__) #if defined(__arm__) || defined(__mips__) || defined(__powerpc__)
#define TLS_VARIANT_I #define TLS_VARIANT_I
#endif #endif
#if defined(__i386__) || defined(__amd64__) || defined(__sparc64__) #if defined(__i386__) || defined(__amd64__) || defined(__sparc64__)
#define TLS_VARIANT_II #define TLS_VARIANT_II
#endif #endif
#ifndef PIC #ifndef __PIC__
#define round(size, align) \ #define round(size, align) \
(((size) + (align) - 1) & ~((align) - 1)) (((size) + (align) - 1) & ~((align) - 1))
static size_t tls_static_space; static size_t tls_static_space;
static size_t tls_init_size; static size_t tls_init_size;
static void *tls_init; static void *tls_init;
#endif #endif
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#endif #endif
void * void *
__libc_tls_get_addr(void *ti __unused) __libc_tls_get_addr(void *ti __unused)
{ {
return (0); return (0);
} }
#ifndef PIC #ifndef __PIC__
#ifdef TLS_VARIANT_I #ifdef TLS_VARIANT_I
#define TLS_TCB_SIZE (2 * sizeof(void *)) #define TLS_TCB_SIZE (2 * sizeof(void *))
/* /*
* Free Static TLS using the Variant I method. * Free Static TLS using the Variant I method.
*/ */
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} }
void void
__libc_free_tls(void *tcb __unused, size_t tcbsize __unused, __libc_free_tls(void *tcb __unused, size_t tcbsize __unused,
size_t tcbalign __unused) size_t tcbalign __unused)
{ {
} }
#endif /* PIC */ #endif /* __PIC__ */
extern char **environ; extern char **environ;
void void
_init_tls() _init_tls()
{ {
#ifndef PIC #ifndef __PIC__
Elf_Addr *sp; Elf_Addr *sp;
Elf_Auxinfo *aux, *auxp; Elf_Auxinfo *aux, *auxp;
Elf_Phdr *phdr; Elf_Phdr *phdr;
size_t phent, phnum; size_t phent, phnum;
int i; int i;
void *tls; void *tls;
sp = (Elf_Addr *) environ; sp = (Elf_Addr *) environ;
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