lh | 9ed821d | 2023-04-07 01:36:19 -0700 | [diff] [blame] | 1 | /* Macros to support TLS testing in times of missing compiler support. */ |
| 2 | |
| 3 | extern void *__tls_get_addr (void *); |
| 4 | |
| 5 | # define TLS_LE(x) \ |
| 6 | ({ void *__l; \ |
| 7 | asm ("mov r2=r13\n\t" \ |
| 8 | ";;\n\t" \ |
| 9 | "addl %0=@tprel(" #x "),r2\n\t" \ |
| 10 | : "=r" (__l) : : "r2" ); __l; }) |
| 11 | |
| 12 | # define TLS_IE(x) \ |
| 13 | ({ void *__l; \ |
| 14 | register long __gp asm ("gp"); \ |
| 15 | asm (";;\n\t" \ |
| 16 | "addl r16=@ltoff(@tprel(" #x ")),gp\n\t" \ |
| 17 | ";;\n\t" \ |
| 18 | "ld8 r17=[r16]\n\t" \ |
| 19 | ";;\n\t" \ |
| 20 | "add %0=r13,r17\n\t" \ |
| 21 | ";;\n\t" \ |
| 22 | : "=r" (__l) : "r" (__gp) : "r16", "r17" ); __l; }) |
| 23 | |
| 24 | # define __TLS_CALL_CLOBBERS \ |
| 25 | "r2", "r3", "r8", "r9", "r10", "r11", "r14", "r15", "r16", "r17", \ |
| 26 | "r18", "r19", "r20", "r21", "r22", "r23", "r24", "r25", "r26", \ |
| 27 | "r27", "r28", "r29", "r30", "r31", \ |
| 28 | "p6", "p7", "p8", "p9", "p10", "p11", "p12", "p13", "p14", "p15", \ |
| 29 | "f6", "f7", "f8", "f9", "f10", "f11", "f12", "f13", "f14", "f15", \ |
| 30 | "b6", "b7", \ |
| 31 | "out0", "out1", "out2", "out3", "out4", "out5", "out6", "out7" |
| 32 | |
| 33 | # define TLS_LD(x) \ |
| 34 | ({ void *__l; \ |
| 35 | register long __gp asm ("gp"); \ |
| 36 | asm (";;\n\t" \ |
| 37 | "mov loc0=gp\n\t" \ |
| 38 | "addl r16=@ltoff(@dtpmod(" #x ")),gp\n\t" \ |
| 39 | "addl out1=@dtprel(" #x "),r0\n\t" \ |
| 40 | ";;\n\t" \ |
| 41 | "ld8 out0=[r16]\n\t" \ |
| 42 | "br.call.sptk.many b0=__tls_get_addr" \ |
| 43 | ";;\n\t" \ |
| 44 | "mov gp=loc0\n\t" \ |
| 45 | "mov %0=r8\n\t" \ |
| 46 | ";;\n\t" \ |
| 47 | : "=r" (__l) : "r" (__gp) : "loc0", __TLS_CALL_CLOBBERS); \ |
| 48 | __l; }) |
| 49 | |
| 50 | # define TLS_GD(x) \ |
| 51 | ({ void *__l; \ |
| 52 | register long __gp asm ("gp"); \ |
| 53 | asm (";;\n\t" \ |
| 54 | "mov loc0=gp\n\t" \ |
| 55 | "addl r16=@ltoff(@dtpmod(" #x ")),gp\n\t" \ |
| 56 | "addl r17=@ltoff(@dtprel(" #x ")),gp\n\t" \ |
| 57 | ";;\n\t" \ |
| 58 | "ld8 out0=[r16]\n\t" \ |
| 59 | "ld8 out1=[r17]\n\t" \ |
| 60 | "br.call.sptk.many b0=__tls_get_addr" \ |
| 61 | ";;\n\t" \ |
| 62 | "mov gp=loc0\n\t" \ |
| 63 | "mov %0=r8\n\t" \ |
| 64 | ";;\n\t" \ |
| 65 | : "=r" (__l) : "r" (__gp) : "loc0", __TLS_CALL_CLOBBERS); \ |
| 66 | __l; }) |