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/* Macros to support TLS testing in times of missing compiler support. */
#define COMMON_INT_DEF(x) \
asm (".tls_common " #x ",4,4")
/* XXX Until we get compiler support we don't need declarations. */
#define COMMON_INT_DECL(x)
/* XXX This definition will probably be machine specific, too. */
#define VAR_INT_DEF(x) \
asm (".section .tdata\n\t" \
".globl " #x "\n" \
#x ":\t.long 0\n\t" \
".size " #x ",4\n\t" \
".previous")
/* XXX Until we get compiler support we don't need declarations. */
#define VAR_INT_DECL(x)
/* XXX Each architecture must have its own asm for now. */
#ifdef __i386__
# define TLS_LE(x) \
({ int *__l; \
asm ("movl %%gs:0,%0\n\t" \
"subl $" #x "@tpoff,%0" \
: "=r" (__l)); \
__l; })
# ifdef PIC
# define TLS_IE(x) \
({ int *__l; \
asm ("movl %%gs:0,%0\n\t" \
"subl " #x "@gottpoff(%%ebx),%0" \
: "=r" (__l)); \
__l; })
# else
# define TLS_IE(x) \
({ int *__l, __b; \
asm ("call 1f\n\t" \
".subsection 1\n" \
"1:\tmovl (%%esp), %%ebx\n\t" \
"ret\n\t" \
".previous\n\t" \
"addl $_GLOBAL_OFFSET_TABLE_, %%ebx\n\t" \
"movl %%gs:0,%0\n\t" \
"subl " #x "@gottpoff(%%ebx),%0" \
: "=r" (__l), "=&b" (__b)); \
__l; })
# endif
# ifdef PIC
# define TLS_LD(x) \
({ int *__l, __c, __d; \
asm ("leal " #x "@tlsldm(%%ebx),%%eax\n\t" \
"call ___tls_get_addr@plt\n\t" \
"leal " #x "@dtpoff(%%eax), %%eax" \
: "=a" (__l), "=&c" (__c), "=&d" (__d)); \
__l; })
# else
# define TLS_LD(x) \
({ int *__l, __b, __c, __d; \
asm ("call 1f\n\t" \
".subsection 1\n" \
"1:\tmovl (%%esp), %%ebx\n\t" \
"ret\n\t" \
".previous\n\t" \
"addl $_GLOBAL_OFFSET_TABLE_, %%ebx\n\t" \
"leal " #x "@tlsldm(%%ebx),%%eax\n\t" \
"call ___tls_get_addr@plt\n\t" \
"leal " #x "@dtpoff(%%eax), %%eax" \
: "=a" (__l), "=&b" (__b), "=&c" (__c), "=&d" (__d)); \
__l; })
# endif
# ifdef PIC
# define TLS_GD(x) \
({ int *__l, __c, __d; \
asm ("leal " #x "@tlsgd(%%ebx),%%eax\n\t" \
"call ___tls_get_addr@plt\n\t" \
"nop" \
: "=a" (__l), "=&c" (__c), "=&d" (__d)); \
__l; })
# else
# define TLS_GD(x) \
({ int *__l, __b, __c, __d; \
asm ("call 1f\n\t" \
".subsection 1\n" \
"1:\tmovl (%%esp), %%ebx\n\t" \
"ret\n\t" \
".previous\n\t" \
"addl $_GLOBAL_OFFSET_TABLE_, %%ebx\n\t" \
"leal " #x "@tlsgd(%%ebx),%%eax\n\t" \
"call ___tls_get_addr@plt\n\t" \
"nop" \
: "=a" (__l), "=&b" (__b), "=&c" (__c), "=&d" (__d)); \
__l; })
# endif
#elif defined __x86_64__
# define TLS_LE(x) \
({ int *__l; \
asm ("movq %%fs:0,%0\n\t" \
"leaq " #x "@tpoff(%0), %0" \
: "=r" (__l)); \
__l; })
# define TLS_IE(x) \
({ int *__l; \
asm ("movq %%fs:0,%0\n\t" \
"addq " #x "@gottpoff(%%rip),%0" \
: "=r" (__l)); \
__l; })
# define TLS_LD(x) \
({ int *__l, __c, __d; \
asm ("leaq " #x "@tlsld(%%rip),%%rdi\n\t" \
"call __tls_get_addr@plt\n\t" \
"leaq " #x "@dtpoff(%%rax), %%rax" \
: "=a" (__l), "=&c" (__c), "=&d" (__d) \
: : "rdi", "rsi", "r8", "r9", "r10", "r11"); \
__l; })
# define TLS_GD(x) \
({ int *__l, __c, __d; \
asm (".long 0x66666666\n\t" \
"leaq " #x "@tlsgd(%%rip),%%rdi\n\t" \
"call __tls_get_addr@plt" \
: "=a" (__l), "=&c" (__c), "=&d" (__d) \
: : "rdi", "rsi", "r8", "r9", "r10", "r11"); \
__l; })
#elif defined __sh__
# define TLS_LE(x) \
({ int *__l; void *__tp; \
asm ("stc gbr,%1\n\t" \
"mov.l 1f,%0\n\t" \
"bra 2f\n\t" \
" add %1,%0\n\t" \
".align 2\n\t" \
"1: .long " #x "@tpoff\n\t" \
"2:" \
: "=r" (__l), "=r" (__tp)); \
__l; })
# define TLS_IE(x) \
({ int *__l; void *__tp; \
asm ("mova 0f,r0\n\t" \
"mov.l 0f,r12\n\t" \
"add r0,r12\n\t" \
"mov.l 1f,r0\n\t" \
"stc gbr,%1\n\t" \
"mov.l @(r0,r12),%0\n\t" \
"bra 2f\n\t" \
" add %1,%0\n\t" \
".align 2\n\t" \
"0: .long _GLOBAL_OFFSET_TABLE_\n\t" \
"1: .long " #x "@gottpoff\n\t" \
"2:" \
: "=r" (__l), "=r" (__tp) : : "r0", "r12"); \
__l; })
# define TLS_LD(x) \
({ int *__l; \
asm ("mova 0f,r0\n\t" \
"mov.l 0f,r12\n\t" \
"add r0,r12\n\t" \
"mov.l 1f,r4\n\t" \
"add r12,r4\n\t" \
"mova 2f,r0\n\t" \
"mov.l 2f,r1\n\t" \
"add r0,r1\n\t" \
"jsr @r1\n\t" \
" nop\n\t" \
"mov.l 3f,%0\n\t" \
"bra 4f\n\t" \
" add r0,%0\n\t" \
".align 2\n\t" \
"0: .long _GLOBAL_OFFSET_TABLE_\n\t" \
"1: .long " #x "@tlsldm\n\t" \
"2: .long __tls_get_addr@plt\n\t" \
"3: .long " #x "@dtpoff\n\t" \
"4:" \
: "=r" (__l) : : "r0", "r1", "r2", "r3", "r4", "r5", "r6", "r7", \
"r12", "pr", "t"); \
__l; })
# define TLS_GD(x) \
({ int *__l; \
asm ("mova 0f,r0\n\t" \
"mov.l 0f,r12\n\t" \
"add r0,r12\n\t" \
"mov.l 1f,r4\n\t" \
"add r12,r4\n\t" \
"mova 2f,r0\n\t" \
"mov.l 2f,r1\n\t" \
"add r0,r1\n\t" \
"jsr @r1\n\t" \
" nop\n\t" \
"bra 3f\n\t" \
" mov r0,%0\n\t" \
".align 2\n\t" \
"0: .long _GLOBAL_OFFSET_TABLE_\n\t" \
"1: .long " #x "@tlsgd\n\t" \
"2: .long __tls_get_addr@plt\n\t" \
"3:" \
: "=r" (__l) : : "r0", "r1", "r2", "r3", "r4", "r5", "r6", "r7", \
"r12", "pr", "t"); \
__l; })
#else
# error "No support for this architecture so far."
#endif
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