diff options
| author | H.J. Lu <hjl.tools@gmail.com> | 2012-05-11 14:35:56 -0700 |
|---|---|---|
| committer | H.J. Lu <hjl.tools@gmail.com> | 2012-05-11 14:35:56 -0700 |
| commit | 4822a2a5207d0aa43160a7a95cb1ac244a350511 (patch) | |
| tree | 9c57fb8d37fac8ac5cd6293e6ffbd6d125890014 | |
| parent | 60d45b36a5cf5befde06d44424c720edf1f88244 (diff) | |
| download | glibc-4822a2a5207d0aa43160a7a95cb1ac244a350511.tar.gz glibc-4822a2a5207d0aa43160a7a95cb1ac244a350511.tar.xz glibc-4822a2a5207d0aa43160a7a95cb1ac244a350511.zip | |
Add x32 support to TLS_LE/TLS_IE/TLS_GD
| -rw-r--r-- | ChangeLog | 9 | ||||
| -rw-r--r-- | elf/tls-macros.h | 16 |
2 files changed, 20 insertions, 5 deletions
diff --git a/ChangeLog b/ChangeLog index d3a2a8e51b..9d8a7136c3 100644 --- a/ChangeLog +++ b/ChangeLog @@ -1,3 +1,12 @@ +2012-05-11 H.J. Lu <hongjiu.lu@intel.com> + + * elf/tls-macros.h (TLS_LE): Use mov instead of movq to load + thread pointer. + (TLS_IE): Use mov/add instead of movq/addq to load thread + pointer. + (TLS_GD_PREFIX): New. + (TLS_GD): Use it. + 2012-05-11 David S. Miller <davem@davemloft.net> * sysdeps/sparc/fpu/bits/fenv.h (__fenv_stfsr): Add __volatile__. diff --git a/elf/tls-macros.h b/elf/tls-macros.h index ea6f14f56b..e753d5ccaf 100644 --- a/elf/tls-macros.h +++ b/elf/tls-macros.h @@ -101,15 +101,15 @@ # define TLS_LE(x) \ ({ int *__l; \ - asm ("movq %%fs:0,%0\n\t" \ - "leaq " #x "@tpoff(%0), %0" \ + asm ("mov %%fs:0,%0\n\t" \ + "lea " #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" \ + asm ("mov %%fs:0,%0\n\t" \ + "add " #x "@gottpoff(%%rip),%0" \ : "=r" (__l)); \ __l; }) @@ -122,9 +122,15 @@ : : "rdi", "rsi", "r8", "r9", "r10", "r11"); \ __l; }) +# ifdef __ILP32__ +# define TLS_GD_PREFIX +# else +# define TLS_GD_PREFIX ".byte 0x66\n\t" +# endif + # define TLS_GD(x) \ ({ int *__l, __c, __d; \ - asm (".byte 0x66\n\t" \ + asm (TLS_GD_PREFIX \ "leaq " #x "@tlsgd(%%rip),%%rdi\n\t" \ ".word 0x6666\n\t" \ "rex64\n\t" \ |