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2003-02-25 Steven Munroe <sjmunroe@us.ibm.com>
* 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
parent
3c2a3b4106
commit
fec4171904
11
ChangeLog
11
ChangeLog
@ -1,3 +1,14 @@
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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.
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* elf/tls-macros.h [__powerpc64__]
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(TLS_LE, TLS_IE, TLS_LD, TLS_GD): Define.
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* sysdeps/powerpc/powerpc64/elf/configure.in: New file.
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* sysdeps/powerpc/powerpc64/elf/configure: New file (generated).
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* sysdeps/powerpc/elf/libc-start.c (__libc_start_main):
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Do DL_SYSDEP_OSCHECK here, matching 2002-12-01 change to generic file.
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2003-02-25 Andreas Jaeger <aj@suse.de>
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* manual/memory.texi (Malloc Tunable Parameters): Clarify
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44
elf/elf.h
44
elf/elf.h
@ -1953,8 +1953,50 @@ typedef Elf32_Addr Elf32_Conflict;
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#define R_PPC64_TOC16_LO_DS 64 /* half16ds #lo(S + A - .TOC.) >> 2. */
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#define R_PPC64_PLTGOT16_DS 65 /* half16ds* (M + A) >> 2. */
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#define R_PPC64_PLTGOT16_LO_DS 66 /* half16ds #lo(M + A) >> 2. */
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/* PowerPC64 relocations defined for the TLS access ABI. */
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#define R_PPC64_TLS 67 /* none (sym+add)@tls. */
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#define R_PPC64_DTPMOD64 68 /* doubleword64 (sym+add)@dtpmod. */
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#define R_PPC64_TPREL16 69 /* half16* (sym+add)@tprel. */
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#define R_PPC64_TPREL16_LO 60 /* half16 (sym+add)@tprel@l. */
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#define R_PPC64_TPREL16_HI 71 /* half16 (sym+add)@tprel@h. */
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#define R_PPC64_TPREL16_HA 72 /* half16 (sym+add)@tprel@ha. */
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#define R_PPC64_TPREL64 73 /* doubleword64 (sym+add)@tprel. */
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#define R_PPC64_DTPREL16 74 /* half16* (sym+add)@dtprel. */
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#define R_PPC64_DTPREL16_LO 75 /* half16 (sym+add)@dtprel@l. */
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#define R_PPC64_DTPREL16_HI 76 /* half16 (sym+add)@dtprel@h. */
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#define R_PPC64_DTPREL16_HA 77 /* half16 (sym+add)@dtprel@ha. */
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#define R_PPC64_DTPREL64 78 /* doubleword64 (sym+add)@dtprel. */
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#define R_PPC64_GOT_TLSGD16 79 /* half16* (sym+add)@got@tlsgd. */
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#define R_PPC64_GOT_TLSGD16_LO 80 /* half16 (sym+add)@got@tlsgd@l. */
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#define R_PPC64_GOT_TLSGD16_HI 81 /* half16 (sym+add)@got@tlsgd@h. */
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#define R_PPC64_GOT_TLSGD16_HA 82 /* half16 (sym+add)@got@tlsgd@ha. */
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#define R_PPC64_GOT_TLSLD16 83 /* half16* (sym+add)@got@tlsld. */
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#define R_PPC64_GOT_TLSLD16_LO 84 /* half16 (sym+add)@got@tlsld@l. */
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#define R_PPC64_GOT_TLSLD16_HI 85 /* half16 (sym+add)@got@tlsld@h. */
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#define R_PPC64_GOT_TLSLD16_HA 86 /* half16 (sym+add)@got@tlsld@ha. */
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#define R_PPC64_GOT_TPREL16_DS 87 /* half16ds* (sym+add)@got@tprel. */
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#define R_PPC64_GOT_TPREL16_LO_DS 88 /* half16ds (sym+add)@got@tprel@l. */
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#define R_PPC64_GOT_TPREL16_HI 89 /* half16 (sym+add)@got@tprel@h. */
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#define R_PPC64_GOT_TPREL16_HA 90 /* half16 (sym+add)@got@tprel@ha. */
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#define R_PPC64_GOT_DTPREL16_DS 91 /* half16ds* (sym+add)@got@dtprel. */
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#define R_PPC64_GOT_DTPREL16_LO_DS 92 /* half16ds (sym+add)@got@dtprel@l. */
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#define R_PPC64_GOT_DTPREL16_HI 93 /* half16 (sym+add)@got@dtprel@h. */
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#define R_PPC64_GOT_DTPREL16_HA 94 /* half16 (sym+add)@got@dtprel@ha. */
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#define R_PPC64_TPREL16_DS 95 /* half16ds* (sym+add)@tprel. */
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#define R_PPC64_TPREL16_LO_DS 96 /* half16ds (sym+add)@tprel@l. */
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#define R_PPC64_TPREL16_HIGHER 97 /* half16 (sym+add)@tprel@higher. */
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#define R_PPC64_TPREL16_HIGHERA 98 /* half16 (sym+add)@tprel@highera. */
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#define R_PPC64_TPREL16_HIGHEST 99 /* half16 (sym+add)@tprel@highest. */
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#define R_PPC64_TPREL16_HIGHESTA 100 /* half16 (sym+add)@tprel@highesta. */
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#define R_PPC64_DTPREL16_DS 101 /* half16ds* (sym+add)@dtprel. */
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#define R_PPC64_DTPREL16_LO_DS 102 /* half16ds (sym+add)@dtprel@l. */
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#define R_PPC64_DTPREL16_HIGHER 103 /* half16 (sym+add)@dtprel@higher. */
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#define R_PPC64_DTPREL16_HIGHERA 104 /* half16 (sym+add)@dtprel@highera. */
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#define R_PPC64_DTPREL16_HIGHEST 105 /* half16 (sym+add)@dtprel@highest. */
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#define R_PPC64_DTPREL16_HIGHESTA 106 /* half16 (sym+add)@dtprel@highesta. */
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/* Keep this the last entry. */
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#define R_PPC64_NUM 67
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#define R_PPC64_NUM 107
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/* The remaining relocs are from the Embedded ELF ABI, and are not
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in the SVR4 ELF ABI. */
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@ -623,6 +623,58 @@ register void *__gp __asm__("$29");
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(int *) (__builtin_thread_pointer() + __offset); })
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# endif
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#elif defined __powerpc__ && defined __powerpc64__
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/* PowerPC64 Local Exec TLS access. */
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# define TLS_LE(x) \
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({ int * __result; \
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asm ( \
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" addis %0,13," #x "@tprel@ha\n" \
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" addi %0,%0," #x "@tprel@l\n" \
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: "=b" (__result) ); \
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__result; \
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})
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/* PowerPC64 Initial Exec TLS access. */
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# define TLS_IE(x) \
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({ int * __result; \
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asm ( \
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" ld %0," #x "@got@tprel(2)\n" \
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" add %0,%0," #x "@tls\n" \
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: "=b" (__result) ); \
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__result; \
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})
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/* PowerPC64 Local Dynamic TLS access. */
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# define TLS_LD(x) \
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({ int * __result; \
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asm ( \
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" addi 3,2," #x "@got@tlsld\n" \
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" bl .__tls_get_addr\n" \
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" nop \n" \
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" addis %0,3," #x "@dtprel@ha\n" \
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" addi %0,%0," #x "@dtprel@l\n" \
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: "=b" (__result) : \
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: "0", "3", "4", "5", "6", "7", \
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"8", "9", "10", "11", "12", \
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"lr", "ctr", \
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"cr0", "cr1", "cr5", "cr6", "cr7"); \
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__result; \
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})
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/* PowerPC64 General Dynamic TLS access. */
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# define TLS_GD(x) \
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({ int * __result; \
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asm ( \
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" addi 3,2," #x "@got@tlsgd\n" \
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" bl .__tls_get_addr\n" \
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" nop \n" \
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" mr %0,3\n" \
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: "=b" (__result) : \
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: "0", "3", "4", "5", "6", "7", \
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"8", "9", "10", "11", "12", \
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"lr", "ctr", \
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"cr0", "cr1", "cr5", "cr6", "cr7"); \
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__result; \
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})
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#else
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# error "No support for this architecture so far."
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#endif
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76
sysdeps/powerpc/powerpc64/elf/configure
vendored
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76
sysdeps/powerpc/powerpc64/elf/configure
vendored
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@ -0,0 +1,76 @@
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# This file is generated from configure.in by Autoconf. DO NOT EDIT!
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# Local configure fragment for sysdeps/powerpc64/elf.
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if test "$usetls" != no; then
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# Check for support of thread-local storage handling in assembler and
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# linker.
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echo "$as_me:$LINENO: checking for powerpc64 TLS support" >&5
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echo $ECHO_N "checking for powerpc64 TLS support... $ECHO_C" >&6
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if test "${libc_cv_powerpc64_tls+set}" = set; then
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echo $ECHO_N "(cached) $ECHO_C" >&6
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else
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cat > conftest.s <<\EOF
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.section ".tdata","awT",@progbits
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x: .quad 1
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x1: .quad 1
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x2: .quad 1
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x3: .quad 1
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x4: .long 1
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.section ".toc","aw"
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.LC0:
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.quad x@dtpmod
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.quad x@dtprel
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.LC1:
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.quad x1@dtpmod
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.quad 0
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.LC2:
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.quad x@tprel
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.text
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addi 3,2,x@got@tlsgd
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addi 3,2,.LC0@toc
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addi 3,2,x1@got@tlsld
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addi 9,3,x1@dtprel
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addis 9,3,x2@dtprel@ha
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addi 9,9,x2@dtprel@l
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ld 9,x3@got@dtprel(2)
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addi 3,2,.LC0@toc
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lwz 0,x1@dtprel(3)
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ld 0,x1@dtprel(3)
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addis 9,3,x2@dtprel@ha
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lwz 0,x2@dtprel@l(9)
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ld 0,x2@dtprel@l(9)
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ld 9,x3@got@dtprel(2)
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ld 9,x@got@tprel(2)
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add 9,9,x@tls
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ld 9,.LC2@toc(2)
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add 9,9,.LC2@tls
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addi 9,13,x1@tprel
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addis 9,13,x2@tprel@ha
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addi 9,9,x2@tprel@l
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EOF
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if { ac_try='${CC-cc} -c $CFLAGS conftest.s 1>&5'
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{ (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
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(eval $ac_try) 2>&5
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ac_status=$?
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echo "$as_me:$LINENO: \$? = $ac_status" >&5
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(exit $ac_status); }; }; then
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libc_cv_powerpc64_tls=yes
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else
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libc_cv_powerpc64_tls=no
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fi
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rm -f conftest*
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fi
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echo "$as_me:$LINENO: result: $libc_cv_powerpc64_tls" >&5
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echo "${ECHO_T}$libc_cv_powerpc64_tls" >&6
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if test $libc_cv_powerpc64_tls = yes; then
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cat >>confdefs.h <<\_ACEOF
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#define HAVE_TLS_SUPPORT 1
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_ACEOF
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fi
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fi
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cat >>confdefs.h <<\_ACEOF
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#define PI_STATIC_AND_HIDDEN 1
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_ACEOF
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61
sysdeps/powerpc/powerpc64/elf/configure.in
Normal file
61
sysdeps/powerpc/powerpc64/elf/configure.in
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@ -0,0 +1,61 @@
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GLIBC_PROVIDES dnl See aclocal.m4 in the top level source directory.
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# Local configure fragment for sysdeps/powerpc64/elf.
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if test "$usetls" != no; then
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# Check for support of thread-local storage handling in assembler and
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# linker.
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AC_CACHE_CHECK(for powerpc64 TLS support, libc_cv_powerpc64_tls, [dnl
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cat > conftest.s <<\EOF
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.section ".tdata","awT",@progbits
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x: .quad 1
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x1: .quad 1
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x2: .quad 1
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x3: .quad 1
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x4: .long 1
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.section ".toc","aw"
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.LC0:
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.quad x@dtpmod
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.quad x@dtprel
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.LC1:
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.quad x1@dtpmod
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.quad 0
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.LC2:
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.quad x@tprel
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.text
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addi 3,2,x@got@tlsgd
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addi 3,2,.LC0@toc
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addi 3,2,x1@got@tlsld
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addi 9,3,x1@dtprel
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addis 9,3,x2@dtprel@ha
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addi 9,9,x2@dtprel@l
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ld 9,x3@got@dtprel(2)
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addi 3,2,.LC0@toc
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lwz 0,x1@dtprel(3)
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ld 0,x1@dtprel(3)
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addis 9,3,x2@dtprel@ha
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lwz 0,x2@dtprel@l(9)
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ld 0,x2@dtprel@l(9)
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ld 9,x3@got@dtprel(2)
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ld 9,x@got@tprel(2)
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add 9,9,x@tls
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ld 9,.LC2@toc(2)
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add 9,9,.LC2@tls
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addi 9,13,x1@tprel
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addis 9,13,x2@tprel@ha
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addi 9,9,x2@tprel@l
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EOF
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dnl
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if AC_TRY_COMMAND(${CC-cc} -c $CFLAGS conftest.s 1>&AS_MESSAGE_LOG_FD); then
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libc_cv_powerpc64_tls=yes
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else
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libc_cv_powerpc64_tls=no
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fi
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rm -f conftest*])
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if test $libc_cv_powerpc64_tls = yes; then
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AC_DEFINE(HAVE_TLS_SUPPORT)
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fi
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fi
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dnl It is always possible to access static and hidden symbols in an
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dnl position independent way.
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AC_DEFINE(PI_STATIC_AND_HIDDEN)
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