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mapi: Add ABI-tag note.

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TLS requires kernel >= 2.4.20.  Per glapi.
This commit is contained in:
Chia-I Wu 2010-12-17 03:11:53 +08:00
parent a954dbeb8c
commit c7119e281b
2 changed files with 26 additions and 0 deletions
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13
src/mapi/mapi/entry_x86-64_tls.h
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@ -30,6 +30,19 @@
#include "u_execmem.h"
#include "u_macros.h"
#ifdef __linux__
__asm__(".section .note.ABI-tag, \"a\"\n\t"
".p2align 2\n\t"
".long 1f - 0f\n\t" /* name length */
".long 3f - 2f\n\t" /* data length */
".long 1\n\t" /* note length */
"0: .asciz \"GNU\"\n\t" /* vendor name */
"1: .p2align 2\n\t"
"2: .long 0\n\t" /* note data: the ABI tag */
".long 2,4,20\n\t" /* Minimum kernel version w/TLS */
"3: .p2align 2\n\t"); /* pad out section */
#endif /* __linux__ */
__asm__(".text");
__asm__("x86_64_current_tls:\n\t"

13
src/mapi/mapi/entry_x86_tls.h
View file

@ -30,6 +30,19 @@
#include "u_execmem.h"
#include "u_macros.h"
#ifdef __linux__
__asm__(".section .note.ABI-tag, \"a\"\n\t"
".p2align 2\n\t"
".long 1f - 0f\n\t" /* name length */
".long 3f - 2f\n\t" /* data length */
".long 1\n\t" /* note length */
"0: .asciz \"GNU\"\n\t" /* vendor name */
"1: .p2align 2\n\t"
"2: .long 0\n\t" /* note data: the ABI tag */
".long 2,4,20\n\t" /* Minimum kernel version w/TLS */
"3: .p2align 2\n\t"); /* pad out section */
#endif /* __linux__ */
__asm__(".text");
__asm__("x86_current_tls:\n\t"