From fec417190420a427bec2340853f42051da251b65 Mon Sep 17 00:00:00 2001 From: Roland McGrath Date: Tue, 25 Feb 2003 23:27:06 +0000 Subject: 2003-02-25 Steven Munroe * 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. --- elf/elf.h | 44 +++++++++++++++++++++++++++++++++++++++++++- elf/tls-macros.h | 52 ++++++++++++++++++++++++++++++++++++++++++++++++++++ 2 files changed, 95 insertions(+), 1 deletion(-) (limited to 'elf') diff --git a/elf/elf.h b/elf/elf.h index 30d0669040..6f78e3b752 100644 --- a/elf/elf.h +++ b/elf/elf.h @@ -1953,8 +1953,50 @@ typedef Elf32_Addr Elf32_Conflict; #define R_PPC64_TOC16_LO_DS 64 /* half16ds #lo(S + A - .TOC.) >> 2. */ #define R_PPC64_PLTGOT16_DS 65 /* half16ds* (M + A) >> 2. */ #define R_PPC64_PLTGOT16_LO_DS 66 /* half16ds #lo(M + A) >> 2. */ + +/* PowerPC64 relocations defined for the TLS access ABI. */ +#define R_PPC64_TLS 67 /* none (sym+add)@tls. */ +#define R_PPC64_DTPMOD64 68 /* doubleword64 (sym+add)@dtpmod. */ +#define R_PPC64_TPREL16 69 /* half16* (sym+add)@tprel. */ +#define R_PPC64_TPREL16_LO 60 /* half16 (sym+add)@tprel@l. */ +#define R_PPC64_TPREL16_HI 71 /* half16 (sym+add)@tprel@h. */ +#define R_PPC64_TPREL16_HA 72 /* half16 (sym+add)@tprel@ha. */ +#define R_PPC64_TPREL64 73 /* doubleword64 (sym+add)@tprel. */ +#define R_PPC64_DTPREL16 74 /* half16* (sym+add)@dtprel. */ +#define R_PPC64_DTPREL16_LO 75 /* half16 (sym+add)@dtprel@l. */ +#define R_PPC64_DTPREL16_HI 76 /* half16 (sym+add)@dtprel@h. */ +#define R_PPC64_DTPREL16_HA 77 /* half16 (sym+add)@dtprel@ha. */ +#define R_PPC64_DTPREL64 78 /* doubleword64 (sym+add)@dtprel. */ +#define R_PPC64_GOT_TLSGD16 79 /* half16* (sym+add)@got@tlsgd. */ +#define R_PPC64_GOT_TLSGD16_LO 80 /* half16 (sym+add)@got@tlsgd@l. */ +#define R_PPC64_GOT_TLSGD16_HI 81 /* half16 (sym+add)@got@tlsgd@h. */ +#define R_PPC64_GOT_TLSGD16_HA 82 /* half16 (sym+add)@got@tlsgd@ha. */ +#define R_PPC64_GOT_TLSLD16 83 /* half16* (sym+add)@got@tlsld. */ +#define R_PPC64_GOT_TLSLD16_LO 84 /* half16 (sym+add)@got@tlsld@l. */ +#define R_PPC64_GOT_TLSLD16_HI 85 /* half16 (sym+add)@got@tlsld@h. */ +#define R_PPC64_GOT_TLSLD16_HA 86 /* half16 (sym+add)@got@tlsld@ha. */ +#define R_PPC64_GOT_TPREL16_DS 87 /* half16ds* (sym+add)@got@tprel. */ +#define R_PPC64_GOT_TPREL16_LO_DS 88 /* half16ds (sym+add)@got@tprel@l. */ +#define R_PPC64_GOT_TPREL16_HI 89 /* half16 (sym+add)@got@tprel@h. */ +#define R_PPC64_GOT_TPREL16_HA 90 /* half16 (sym+add)@got@tprel@ha. */ +#define R_PPC64_GOT_DTPREL16_DS 91 /* half16ds* (sym+add)@got@dtprel. */ +#define R_PPC64_GOT_DTPREL16_LO_DS 92 /* half16ds (sym+add)@got@dtprel@l. */ +#define R_PPC64_GOT_DTPREL16_HI 93 /* half16 (sym+add)@got@dtprel@h. */ +#define R_PPC64_GOT_DTPREL16_HA 94 /* half16 (sym+add)@got@dtprel@ha. */ +#define R_PPC64_TPREL16_DS 95 /* half16ds* (sym+add)@tprel. */ +#define R_PPC64_TPREL16_LO_DS 96 /* half16ds (sym+add)@tprel@l. */ +#define R_PPC64_TPREL16_HIGHER 97 /* half16 (sym+add)@tprel@higher. */ +#define R_PPC64_TPREL16_HIGHERA 98 /* half16 (sym+add)@tprel@highera. */ +#define R_PPC64_TPREL16_HIGHEST 99 /* half16 (sym+add)@tprel@highest. */ +#define R_PPC64_TPREL16_HIGHESTA 100 /* half16 (sym+add)@tprel@highesta. */ +#define R_PPC64_DTPREL16_DS 101 /* half16ds* (sym+add)@dtprel. */ +#define R_PPC64_DTPREL16_LO_DS 102 /* half16ds (sym+add)@dtprel@l. */ +#define R_PPC64_DTPREL16_HIGHER 103 /* half16 (sym+add)@dtprel@higher. */ +#define R_PPC64_DTPREL16_HIGHERA 104 /* half16 (sym+add)@dtprel@highera. */ +#define R_PPC64_DTPREL16_HIGHEST 105 /* half16 (sym+add)@dtprel@highest. */ +#define R_PPC64_DTPREL16_HIGHESTA 106 /* half16 (sym+add)@dtprel@highesta. */ /* Keep this the last entry. */ -#define R_PPC64_NUM 67 +#define R_PPC64_NUM 107 /* The remaining relocs are from the Embedded ELF ABI, and are not in the SVR4 ELF ABI. */ diff --git a/elf/tls-macros.h b/elf/tls-macros.h index 81736c95b9..a1ae536bef 100644 --- a/elf/tls-macros.h +++ b/elf/tls-macros.h @@ -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 -- cgit v1.2.3