79 lines
2.5 KiB
C
79 lines
2.5 KiB
C
#include <features.h> /* For __GNUC_PREREQ. */
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#define TLS_LE(x) \
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({ int *__l; \
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asm ("movl %%gs:0,%0\n\t" \
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"subl $" #x "@tpoff,%0" \
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: "=r" (__l)); \
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__l; })
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#if defined PIC && !__GNUC_PREREQ (5,0)
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# define TLS_IE(x) \
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({ int *__l; \
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asm ("movl %%gs:0,%0\n\t" \
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"subl " #x "@gottpoff(%%ebx),%0" \
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: "=r" (__l)); \
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__l; })
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#else
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# define TLS_IE(x) \
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({ int *__l, __b; \
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asm ("call 1f\n\t" \
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".subsection 1\n" \
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"1:\tmovl (%%esp), %%ebx\n\t" \
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"ret\n\t" \
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".previous\n\t" \
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"addl $_GLOBAL_OFFSET_TABLE_, %%ebx\n\t" \
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"movl %%gs:0,%0\n\t" \
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"subl " #x "@gottpoff(%%ebx),%0" \
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: "=r" (__l), "=&b" (__b)); \
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__l; })
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#endif
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#if defined PIC && !__GNUC_PREREQ (5,0)
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# define TLS_LD(x) \
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({ int *__l, __c, __d; \
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asm ("leal " #x "@tlsldm(%%ebx),%%eax\n\t" \
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"call ___tls_get_addr@plt\n\t" \
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"leal " #x "@dtpoff(%%eax), %%eax" \
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: "=a" (__l), "=&c" (__c), "=&d" (__d)); \
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__l; })
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#else
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# define TLS_LD(x) \
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({ int *__l, __b, __c, __d; \
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asm ("call 1f\n\t" \
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".subsection 1\n" \
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"1:\tmovl (%%esp), %%ebx\n\t" \
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"ret\n\t" \
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".previous\n\t" \
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"addl $_GLOBAL_OFFSET_TABLE_, %%ebx\n\t" \
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"leal " #x "@tlsldm(%%ebx),%%eax\n\t" \
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"call ___tls_get_addr@plt\n\t" \
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"leal " #x "@dtpoff(%%eax), %%eax" \
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: "=a" (__l), "=&b" (__b), "=&c" (__c), "=&d" (__d)); \
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__l; })
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#endif
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#if defined PIC && !__GNUC_PREREQ (5,0)
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# define TLS_GD(x) \
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({ int *__l, __c, __d; \
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asm ("leal " #x "@tlsgd(%%ebx),%%eax\n\t" \
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"call ___tls_get_addr@plt\n\t" \
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"nop" \
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: "=a" (__l), "=&c" (__c), "=&d" (__d)); \
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__l; })
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#else
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# define TLS_GD(x) \
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({ int *__l, __b, __c, __d; \
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asm ("call 1f\n\t" \
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".subsection 1\n" \
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"1:\tmovl (%%esp), %%ebx\n\t" \
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"ret\n\t" \
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".previous\n\t" \
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"addl $_GLOBAL_OFFSET_TABLE_, %%ebx\n\t" \
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"leal " #x "@tlsgd(%%ebx),%%eax\n\t" \
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"call ___tls_get_addr@plt\n\t" \
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"nop" \
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: "=a" (__l), "=&b" (__b), "=&c" (__c), "=&d" (__d)); \
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__l; })
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#endif
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