diff options
Diffstat (limited to 'sysdeps/i386/dl-tlsdesc-dynamic.h')
| -rw-r--r-- | sysdeps/i386/dl-tlsdesc-dynamic.h | 108 |
1 files changed, 1 insertions, 107 deletions
diff --git a/sysdeps/i386/dl-tlsdesc-dynamic.h b/sysdeps/i386/dl-tlsdesc-dynamic.h index 6aec06d..be9ecd6 100644 --- a/sysdeps/i386/dl-tlsdesc-dynamic.h +++ b/sysdeps/i386/dl-tlsdesc-dynamic.h @@ -16,34 +16,6 @@ License along with the GNU C Library; if not, see <https://www.gnu.org/licenses/>. */ -#undef REGISTER_SAVE_AREA - -#if !defined USE_FNSAVE && (STATE_SAVE_ALIGNMENT % 16) != 0 -# error STATE_SAVE_ALIGNMENT must be multiple of 16 -#endif - -#if DL_RUNTIME_RESOLVE_REALIGN_STACK -# ifdef USE_FNSAVE -# error USE_FNSAVE shouldn't be defined -# endif -# ifdef USE_FXSAVE -/* Use fxsave to save all registers. */ -# define REGISTER_SAVE_AREA 512 -# endif -#else -# ifdef USE_FNSAVE -/* Use fnsave to save x87 FPU stack registers. */ -# define REGISTER_SAVE_AREA 108 -# else -# ifndef USE_FXSAVE -# error USE_FXSAVE must be defined -# endif -/* Use fxsave to save all registers. Add 12 bytes to align the stack - to 16 bytes. */ -# define REGISTER_SAVE_AREA (512 + 12) -# endif -#endif - .hidden _dl_tlsdesc_dynamic .global _dl_tlsdesc_dynamic .type _dl_tlsdesc_dynamic,@function @@ -104,85 +76,7 @@ _dl_tlsdesc_dynamic: ret .p2align 4,,7 2: - cfi_adjust_cfa_offset (32) -#if DL_RUNTIME_RESOLVE_REALIGN_STACK - movl %ebx, -28(%esp) - movl %esp, %ebx - cfi_def_cfa_register(%ebx) - and $-STATE_SAVE_ALIGNMENT, %esp -#endif -#ifdef REGISTER_SAVE_AREA - subl $REGISTER_SAVE_AREA, %esp -# if !DL_RUNTIME_RESOLVE_REALIGN_STACK - cfi_adjust_cfa_offset(REGISTER_SAVE_AREA) -# endif -#else -# if !DL_RUNTIME_RESOLVE_REALIGN_STACK -# error DL_RUNTIME_RESOLVE_REALIGN_STACK must be true -# endif - /* Allocate stack space of the required size to save the state. */ - LOAD_PIC_REG (cx) - subl RTLD_GLOBAL_RO_DL_X86_CPU_FEATURES_OFFSET+XSAVE_STATE_SIZE_OFFSET+_rtld_local_ro@GOTOFF(%ecx), %esp -#endif -#ifdef USE_FNSAVE - fnsave (%esp) -#elif defined USE_FXSAVE - fxsave (%esp) -#else - /* Save the argument for ___tls_get_addr in EAX. */ - movl %eax, %ecx - movl $TLSDESC_CALL_STATE_SAVE_MASK, %eax - xorl %edx, %edx - /* Clear the XSAVE Header. */ -# ifdef USE_XSAVE - movl %edx, (512)(%esp) - movl %edx, (512 + 4 * 1)(%esp) - movl %edx, (512 + 4 * 2)(%esp) - movl %edx, (512 + 4 * 3)(%esp) -# endif - movl %edx, (512 + 4 * 4)(%esp) - movl %edx, (512 + 4 * 5)(%esp) - movl %edx, (512 + 4 * 6)(%esp) - movl %edx, (512 + 4 * 7)(%esp) - movl %edx, (512 + 4 * 8)(%esp) - movl %edx, (512 + 4 * 9)(%esp) - movl %edx, (512 + 4 * 10)(%esp) - movl %edx, (512 + 4 * 11)(%esp) - movl %edx, (512 + 4 * 12)(%esp) - movl %edx, (512 + 4 * 13)(%esp) - movl %edx, (512 + 4 * 14)(%esp) - movl %edx, (512 + 4 * 15)(%esp) -# ifdef USE_XSAVE - xsave (%esp) -# else - xsavec (%esp) -# endif - /* Restore the argument for ___tls_get_addr in EAX. */ - movl %ecx, %eax -#endif - call HIDDEN_JUMPTARGET (___tls_get_addr) - /* Get register content back. */ -#ifdef USE_FNSAVE - frstor (%esp) -#elif defined USE_FXSAVE - fxrstor (%esp) -#else - /* Save and retore ___tls_get_addr return value stored in EAX. */ - movl %eax, %ecx - movl $TLSDESC_CALL_STATE_SAVE_MASK, %eax - xorl %edx, %edx - xrstor (%esp) - movl %ecx, %eax -#endif -#if DL_RUNTIME_RESOLVE_REALIGN_STACK - mov %ebx, %esp - cfi_def_cfa_register(%esp) - movl -28(%esp), %ebx - cfi_restore(%ebx) -#else - addl $REGISTER_SAVE_AREA, %esp - cfi_adjust_cfa_offset(-REGISTER_SAVE_AREA) -#endif +#include "tls-get-addr-wrapper.h" jmp 1b cfi_endproc .size _dl_tlsdesc_dynamic, .-_dl_tlsdesc_dynamic |