diff options
Diffstat (limited to 'ports/sysdeps/ia64/tls-macros.h')
| -rw-r--r-- | ports/sysdeps/ia64/tls-macros.h | 66 |
1 files changed, 66 insertions, 0 deletions
diff --git a/ports/sysdeps/ia64/tls-macros.h b/ports/sysdeps/ia64/tls-macros.h new file mode 100644 index 0000000000..13b216d85d --- /dev/null +++ b/ports/sysdeps/ia64/tls-macros.h @@ -0,0 +1,66 @@ +/* Macros to support TLS testing in times of missing compiler support. */ + +extern void *__tls_get_addr (void *); + +# 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; \ + register long __gp asm ("gp"); \ + 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" \ + ";;\n\t" \ + : "=r" (__l) : "r" (__gp) : "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; \ + register long __gp asm ("gp"); \ + 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" \ + ";;\n\t" \ + : "=r" (__l) : "r" (__gp) : "loc0", __TLS_CALL_CLOBBERS); \ + __l; }) + +# define TLS_GD(x) \ + ({ void *__l; \ + register long __gp asm ("gp"); \ + 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" \ + ";;\n\t" \ + : "=r" (__l) : "r" (__gp) : "loc0", __TLS_CALL_CLOBBERS); \ + __l; }) |