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2003-02-25 Steven Munroe <sjmunroe@us.ibm.com>

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* elf/elf.h: Add new R_PPC64_* relocs for TLS.
        * elf/tls-macros.h [__powerpc64__]
        (TLS_LE, TLS_IE, TLS_LD, TLS_GD): Define.
	* sysdeps/powerpc/powerpc64/elf/configure.in: New file.
	* sysdeps/powerpc/powerpc64/elf/configure: New file (generated).

        * sysdeps/powerpc/elf/libc-start.c (__libc_start_main):
	Do DL_SYSDEP_OSCHECK here, matching 2002-12-01 change to generic file.
This commit is contained in:
Roland McGrath
2003-02-25 23:27:06 +00:00
parent 3c2a3b4106
commit fec4171904
5 changed files with 243 additions and 1 deletions
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52
elf/tls-macros.h
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@ -623,6 +623,58 @@ register void *__gp __asm__("$29");
(int *) (__builtin_thread_pointer() + __offset); })
# endif
#elif defined __powerpc__ && defined __powerpc64__
/* PowerPC64 Local Exec TLS access. */
# define TLS_LE(x) \
({ int * __result; \
asm ( \
" addis %0,13," #x "@tprel@ha\n" \
" addi %0,%0," #x "@tprel@l\n" \
: "=b" (__result) ); \
__result; \
})
/* PowerPC64 Initial Exec TLS access. */
# define TLS_IE(x) \
({ int * __result; \
asm ( \
" ld %0," #x "@got@tprel(2)\n" \
" add %0,%0," #x "@tls\n" \
: "=b" (__result) ); \
__result; \
})
/* PowerPC64 Local Dynamic TLS access. */
# define TLS_LD(x) \
({ int * __result; \
asm ( \
" addi 3,2," #x "@got@tlsld\n" \
" bl .__tls_get_addr\n" \
" nop \n" \
" addis %0,3," #x "@dtprel@ha\n" \
" addi %0,%0," #x "@dtprel@l\n" \
: "=b" (__result) : \
: "0", "3", "4", "5", "6", "7", \
"8", "9", "10", "11", "12", \
"lr", "ctr", \
"cr0", "cr1", "cr5", "cr6", "cr7"); \
__result; \
})
/* PowerPC64 General Dynamic TLS access. */
# define TLS_GD(x) \
({ int * __result; \
asm ( \
" addi 3,2," #x "@got@tlsgd\n" \
" bl .__tls_get_addr\n" \
" nop \n" \
" mr %0,3\n" \
: "=b" (__result) : \
: "0", "3", "4", "5", "6", "7", \
"8", "9", "10", "11", "12", \
"lr", "ctr", \
"cr0", "cr1", "cr5", "cr6", "cr7"); \
__result; \
})
#else
# error "No support for this architecture so far."
#endif