/* 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 (".byte 0x66\n\t" \ "leaq " #x "@tlsgd(%%rip),%%rdi\n\t" \ ".word 0x6666\n\t" \ "rex64\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" \ "1: .long " #x "@gottpoff\n\t" \ "0: .long _GLOBAL_OFFSET_TABLE_\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" \ "mova 2f,r0\n\t" \ "mov.l 2f,r1\n\t" \ "add r0,r1\n\t" \ "jsr @r1\n\t" \ " add r12,r4\n\t" \ "bra 4f\n\t" \ " nop\n\t" \ ".align 2\n\t" \ "1: .long " #x "@tlsldm\n\t" \ "2: .long __tls_get_addr@plt\n\t" \ "0: .long _GLOBAL_OFFSET_TABLE_\n\t" \ "4: mov.l 3f,%0\n\t" \ "bra 5f\n\t" \ " add r0,%0\n\t" \ ".align 2\n\t" \ "3: .long " #x "@dtpoff\n\t" \ "5:" \ : "=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" \ "mova 2f,r0\n\t" \ "mov.l 2f,r1\n\t" \ "add r0,r1\n\t" \ "jsr @r1\n\t" \ " add r12,r4\n\t" \ "bra 3f\n\t" \ " mov r0,%0\n\t" \ ".align 2\n\t" \ "1: .long " #x "@tlsgd\n\t" \ "2: .long __tls_get_addr@plt\n\t" \ "0: .long _GLOBAL_OFFSET_TABLE_\n\t" \ "3:" \ : "=r" (__l) : : "r0", "r1", "r2", "r3", "r4", "r5", "r6", "r7", \ "r12", "pr", "t"); \ __l; }) #elif defined __alpha__ register void *__gp __asm__("$29"); # define TLS_LE(x) \ ({ int *__l; \ asm ("call_pal 158\n\tlda $0," #x "($0)\t\t!tprel" : "=v"(__l)); \ __l; }) # define TLS_IE(x) \ ({ char *__tp; unsigned long __o; \ asm ("call_pal 158\n\tldq %1," #x "($gp)\t\t!gottprel" \ : "=v"(__tp), "=r"(__o) : "r"(__gp)); \ (int *)(__tp + __o); }) # define TLS_LD(x) \ ({ extern void *__tls_get_addr(void *); int *__l; void *__i; \ asm ("lda %0," #x "($gp)\t\t!tlsldm" : "=r" (__i) : "r"(__gp)); \ __i = __tls_get_addr(__i); \ asm ("lda %0, " #x "(%1)\t\t!dtprel" : "=r"(__l) : "r"(__i)); \ __l; }) # define TLS_GD(x) \ ({ extern void *__tls_get_addr(void *); void *__i; \ asm ("lda %0," #x "($gp)\t\t!tlsgd" : "=r" (__i) : "r"(__gp)); \ (int *) __tls_get_addr(__i); }) #elif defined __ia64__ # define TLS_LE(x) \ ({ void *__l; \ asm ("mov r2=r13\n\t" \ ";;\n\t" \ "addl %0=@tprel(" #x "),r2\n\t" \ : "=r" (__l) : : "r2" ); __l; }) # define TLS_IE(x) \ ({ void *__l; \ asm (";;\n\t" \ "addl r16=@ltoff(@tprel(" #x ")),gp\n\t" \ ";;\n\t" \ "ld8 r17=[r16]\n\t" \ ";;\n\t" \ "add %0=r13,r17\n\t" \ : "=r" (__l) : : "r16", "r17" ); __l; }) # define __TLS_CALL_CLOBBERS \ "r2", "r3", "r8", "r9", "r10", "r11", "r14", "r15", "r16", "r17", \ "r18", "r19", "r20", "r21", "r22", "r23", "r24", "r25", "r26", \ "r27", "r28", "r29", "r30", "r31", \ "p6", "p7", "p8", "p9", "p10", "p11", "p12", "p13", "p14", "p15", \ "f6", "f7", "f8", "f9", "f10", "f11", "f12", "f13", "f14", "f15", \ "b6", "b7", \ "out0", "out1", "out2", "out3", "out4", "out5", "out6", "out7" # define TLS_LD(x) \ ({ void *__l; \ asm (";;\n\t" \ "mov loc0=gp\n\t" \ "addl r16=@ltoff(@dtpmod(" #x ")),gp\n\t" \ "addl out1=@dtprel(" #x "),r0\n\t" \ ";;\n\t" \ "ld8 out0=[r16]\n\t" \ "br.call.sptk.many b0=__tls_get_addr" \ ";;\n\t" \ "mov gp=loc0\n\t" \ "mov %0=r8\n\t" \ : "=r" (__l) : : "loc0", __TLS_CALL_CLOBBERS); \ __l; }) # define TLS_GD(x) \ ({ void *__l; \ asm (";;\n\t" \ "mov loc0=gp\n\t" \ "addl r16=@ltoff(@dtpmod(" #x ")),gp\n\t" \ "addl r17=@ltoff(@dtprel(" #x ")),gp\n\t" \ ";;\n\t" \ "ld8 out0=[r16]\n\t" \ "ld8 out1=[r17]\n\t" \ "br.call.sptk.many b0=__tls_get_addr" \ ";;\n\t" \ "mov gp=loc0\n\t" \ "mov %0=r8\n\t" \ : "=r" (__l) : : "loc0", __TLS_CALL_CLOBBERS); \ __l; }) #else # error "No support for this architecture so far." #endif