From: Russ Cox Date: Mon, 24 Aug 2009 01:03:14 +0000 (-0700) Subject: linker work X-Git-Tag: weekly.2009-11-06~791 X-Git-Url: http://www.git.cypherpunks.su/?a=commitdiff_plain;h=fd6cdbd8076b8b2dcfc4d915eda7d4e135f2e237;p=gostls13.git linker work * more elf constants from FreeBSD * simple relocation demo R=r DELTA=410 (354 added, 49 deleted, 7 changed) OCL=33689 CL=33729 --- diff --git a/src/cmd/6l/asm.c b/src/cmd/6l/asm.c index 9977a0d15a..d40b716747 100644 --- a/src/cmd/6l/asm.c +++ b/src/cmd/6l/asm.c @@ -148,7 +148,7 @@ addstring(Sym *s, char *str) } vlong -adduint32(Sym *s, uint32 v) +adduintxx(Sym *s, uint64 v, int wid) { vlong r; Prog *p; @@ -157,28 +157,35 @@ adduint32(Sym *s, uint32 v) s->type = SDATA; s->reachable = 1; r = s->value; - p = newdata(s, s->value, 4, D_EXTERN); - s->value += 4; + p = newdata(s, s->value, wid, D_EXTERN); + s->value += wid; p->to.type = D_CONST; p->to.offset = v; return r; } vlong -adduint64(Sym *s, uint64 v) +adduint8(Sym *s, uint8 v) { - vlong r; - Prog *p; + return adduintxx(s, v, 1); +} - if(s->type == 0) - s->type = SDATA; - s->reachable = 1; - r = s->value; - p = newdata(s, s->value, 8, D_EXTERN); - s->value += 8; - p->to.type = D_CONST; - p->to.offset = v; - return r; +vlong +adduint16(Sym *s, uint16 v) +{ + return adduintxx(s, v, 2); +} + +vlong +adduint32(Sym *s, uint32 v) +{ + return adduintxx(s, v, 4); +} + +vlong +adduint64(Sym *s, uint64 v) +{ + return adduintxx(s, v, 8); } vlong @@ -230,8 +237,6 @@ datoff(vlong addr) return 0; } -int nrela; - enum { ElfStrEmpty, ElfStrInterp, @@ -274,6 +279,8 @@ doelf(void) elfstr[ElfStrShstrtab] = addstring(shstrtab, ".shstrtab"); if(!debug['d']) { /* -d suppresses dynamic loader format */ + Sym *dynamic, *dynstr; + elfstr[ElfStrInterp] = addstring(shstrtab, ".interp"); elfstr[ElfStrHash] = addstring(shstrtab, ".hash"); elfstr[ElfStrGot] = addstring(shstrtab, ".got"); @@ -289,7 +296,12 @@ doelf(void) s->type = SDATA; // TODO: rodata addstring(lookup(".interp", 0), linuxdynld); - /* hash table - empty for now */ + /* + * hash table - empty for now. + * we should have to fill it out with an entry for every + * symbol in .dynsym, but it seems to work not to, + * which is fine with me. + */ s = lookup(".hash", 0); s->type = SDATA; // TODO: rodata s->reachable = 1; @@ -304,6 +316,7 @@ doelf(void) /* dynamic string table */ s = lookup(".dynstr", 0); addstring(s, ""); + dynstr = s; /* relocation table */ s = lookup(".rela", 0); @@ -322,6 +335,32 @@ doelf(void) /* define dynamic elf table */ s = lookup(".dynamic", 0); + dynamic = s; + + /* + * relocation demo - overwrite go func + * var main.extern_c_fib with fib symbol from fib.so + */ + Sym *fib; + fib = lookup("main·extern_c_fib", 0); + if(fib->type == SDATA || fib->type == SBSS) { + s = lookup(".rela", 0); + addaddr(s, fib); + adduint64(s, ELF64_R_INFO(1, R_X86_64_64)); // 1 = first symbol in dynsym + adduint64(s, 0); + + s = lookup(".dynsym", 0); + adduint32(s, addstring(lookup(".dynstr", 0), "fib")); + adduint8(s, (STB_GLOBAL<<4) | STT_FUNC); + adduint8(s, 0); /* reserved */ + adduint16(s, SHN_UNDEF); /* section where symbol is defined */ + adduint64(s, 0); /* value */ + adduint64(s, 0); /* size of object */ + + elfwritedynent(dynamic, DT_NEEDED, addstring(dynstr, "fib.so")); + } + + s = dynamic; elfwritedynentsym(s, DT_HASH, lookup(".hash", 0)); elfwritedynentsym(s, DT_SYMTAB, lookup(".dynsym", 0)); elfwritedynent(s, DT_SYMENT, ELF64SYMSIZE); @@ -332,32 +371,6 @@ doelf(void) elfwritedynent(s, DT_RELAENT, ELF64RELASIZE); elfwritedynent(s, DT_NULL, 0); } - -/* - putc = lookup("main·putc", 0); - if(putc->type != SDATA && putc->type != SBSS) - return; - - // smash main.putc with putc - s = lookup(".elfrela", 0); - s->type = SDATA; - s->value = 24; - p = newdata(s, 0, 8, D_EXTERN); // r_offset - p->to.type = D_ADDR; - p->to.index = D_EXTERN; - p->to.sym = putc; - - p = newdata(s, 8, 8, D_EXTERN); // r_info - p->to.type = D_CONST; - p->to.offset = ELF64_R_INFO(0, 1); // use 0 as symbol value; 1 is S+A calculation - - p = newdata(s, 16, 8, D_EXTERN); // r_addend - p->to.type = D_CONST; - p->to.offset = 1000; - - nrela = 1; -*/ - } void @@ -750,14 +763,6 @@ asmb(void) /* Dynamic linking sections */ if (!debug['d']) { /* -d suppresses dynamic loader format */ /* S headers for dynamic linking */ - sh = newElf64_Shdr(elfstr[ElfStrHash]); - sh->type = SHT_HASH; - sh->flags = SHF_ALLOC; - sh->entsize = 4; - sh->addralign = 8; - // sh->link = xxx; - shsym(sh, lookup(".hash", 0)); - sh = newElf64_Shdr(elfstr[ElfStrGot]); sh->type = SHT_PROGBITS; sh->flags = SHF_ALLOC+SHF_WRITE; @@ -776,7 +781,7 @@ asmb(void) sh = newElf64_Shdr(elfstr[ElfStrDynsym]); sh->type = SHT_DYNSYM; sh->flags = SHF_ALLOC; - sh->entsize = 1; + sh->entsize = ELF64SYMSIZE; sh->addralign = 8; sh->link = dynsym+1; // dynstr // sh->info = index of first non-local symbol (number of local symbols) @@ -788,9 +793,18 @@ asmb(void) sh->addralign = 1; shsym(sh, lookup(".dynstr", 0)); + sh = newElf64_Shdr(elfstr[ElfStrHash]); + sh->type = SHT_HASH; + sh->flags = SHF_ALLOC; + sh->entsize = 4; + sh->addralign = 8; + sh->link = dynsym; + shsym(sh, lookup(".hash", 0)); + sh = newElf64_Shdr(elfstr[ElfStrRela]); sh->type = SHT_RELA; sh->flags = SHF_ALLOC; + sh->entsize = ELF64RELASIZE; sh->addralign = 8; sh->link = dynsym; shsym(sh, lookup(".rela", 0)); @@ -859,7 +873,6 @@ asmb(void) sh->off = fo; sh->size = w; sh->addralign = 1; - sh->entsize = 24; fo += w; w = lcsize; @@ -869,7 +882,6 @@ asmb(void) sh->off = fo; sh->size = w; sh->addralign = 1; - sh->entsize = 24; } sh = newElf64_Shstrtab(elfstr[ElfStrShstrtab]); diff --git a/src/cmd/ld/elf.h b/src/cmd/ld/elf.h index 1897030823..2a71a174f2 100644 --- a/src/cmd/ld/elf.h +++ b/src/cmd/ld/elf.h @@ -3,8 +3,15 @@ * $FreeBSD: src/sys/sys/elf32.h,v 1.8.14.1 2005/12/30 22:13:58 marcel Exp $ * $FreeBSD: src/sys/sys/elf64.h,v 1.10.14.1 2005/12/30 22:13:58 marcel Exp $ * $FreeBSD: src/sys/sys/elf_common.h,v 1.15.8.1 2005/12/30 22:13:58 marcel Exp $ + * $FreeBSD: src/sys/alpha/include/elf.h,v 1.14 2003/09/25 01:10:22 peter Exp $ + * $FreeBSD: src/sys/amd64/include/elf.h,v 1.18 2004/08/03 08:21:48 dfr Exp $ + * $FreeBSD: src/sys/arm/include/elf.h,v 1.5.2.1 2006/06/30 21:42:52 cognet Exp $ + * $FreeBSD: src/sys/i386/include/elf.h,v 1.16 2004/08/02 19:12:17 dfr Exp $ + * $FreeBSD: src/sys/powerpc/include/elf.h,v 1.7 2004/11/02 09:47:01 ssouhlal Exp $ + * $FreeBSD: src/sys/sparc64/include/elf.h,v 1.12 2003/09/25 01:10:26 peter Exp $ * * Copyright (c) 1996-1998 John D. Polstra. All rights reserved. + * Copyright (c) 2001 David E. O'Brien * Portions Copyright 2009 The Go Authors. All rights reserved. * * Redistribution and use in source and binary forms, with or without @@ -459,6 +466,292 @@ typedef struct { /* Macro for constructing r_info from field values. */ #define ELF32_R_INFO(sym, type) (((sym) << 8) + (unsigned char)(type)) +/* + * Relocation types. + */ + +#define R_X86_64_NONE 0 /* No relocation. */ +#define R_X86_64_64 1 /* Add 64 bit symbol value. */ +#define R_X86_64_PC32 2 /* PC-relative 32 bit signed sym value. */ +#define R_X86_64_GOT32 3 /* PC-relative 32 bit GOT offset. */ +#define R_X86_64_PLT32 4 /* PC-relative 32 bit PLT offset. */ +#define R_X86_64_COPY 5 /* Copy data from shared object. */ +#define R_X86_64_GLOB_DAT 6 /* Set GOT entry to data address. */ +#define R_X86_64_JMP_SLOT 7 /* Set GOT entry to code address. */ +#define R_X86_64_RELATIVE 8 /* Add load address of shared object. */ +#define R_X86_64_GOTPCREL 9 /* Add 32 bit signed pcrel offset to GOT. */ +#define R_X86_64_32 10 /* Add 32 bit zero extended symbol value */ +#define R_X86_64_32S 11 /* Add 32 bit sign extended symbol value */ +#define R_X86_64_16 12 /* Add 16 bit zero extended symbol value */ +#define R_X86_64_PC16 13 /* Add 16 bit signed extended pc relative symbol value */ +#define R_X86_64_8 14 /* Add 8 bit zero extended symbol value */ +#define R_X86_64_PC8 15 /* Add 8 bit signed extended pc relative symbol value */ +#define R_X86_64_DTPMOD64 16 /* ID of module containing symbol */ +#define R_X86_64_DTPOFF64 17 /* Offset in TLS block */ +#define R_X86_64_TPOFF64 18 /* Offset in static TLS block */ +#define R_X86_64_TLSGD 19 /* PC relative offset to GD GOT entry */ +#define R_X86_64_TLSLD 20 /* PC relative offset to LD GOT entry */ +#define R_X86_64_DTPOFF32 21 /* Offset in TLS block */ +#define R_X86_64_GOTTPOFF 22 /* PC relative offset to IE GOT entry */ +#define R_X86_64_TPOFF32 23 /* Offset in static TLS block */ + +#define R_X86_64_COUNT 24 /* Count of defined relocation types. */ + + +#define R_ALPHA_NONE 0 /* No reloc */ +#define R_ALPHA_REFLONG 1 /* Direct 32 bit */ +#define R_ALPHA_REFQUAD 2 /* Direct 64 bit */ +#define R_ALPHA_GPREL32 3 /* GP relative 32 bit */ +#define R_ALPHA_LITERAL 4 /* GP relative 16 bit w/optimization */ +#define R_ALPHA_LITUSE 5 /* Optimization hint for LITERAL */ +#define R_ALPHA_GPDISP 6 /* Add displacement to GP */ +#define R_ALPHA_BRADDR 7 /* PC+4 relative 23 bit shifted */ +#define R_ALPHA_HINT 8 /* PC+4 relative 16 bit shifted */ +#define R_ALPHA_SREL16 9 /* PC relative 16 bit */ +#define R_ALPHA_SREL32 10 /* PC relative 32 bit */ +#define R_ALPHA_SREL64 11 /* PC relative 64 bit */ +#define R_ALPHA_OP_PUSH 12 /* OP stack push */ +#define R_ALPHA_OP_STORE 13 /* OP stack pop and store */ +#define R_ALPHA_OP_PSUB 14 /* OP stack subtract */ +#define R_ALPHA_OP_PRSHIFT 15 /* OP stack right shift */ +#define R_ALPHA_GPVALUE 16 +#define R_ALPHA_GPRELHIGH 17 +#define R_ALPHA_GPRELLOW 18 +#define R_ALPHA_IMMED_GP_16 19 +#define R_ALPHA_IMMED_GP_HI32 20 +#define R_ALPHA_IMMED_SCN_HI32 21 +#define R_ALPHA_IMMED_BR_HI32 22 +#define R_ALPHA_IMMED_LO32 23 +#define R_ALPHA_COPY 24 /* Copy symbol at runtime */ +#define R_ALPHA_GLOB_DAT 25 /* Create GOT entry */ +#define R_ALPHA_JMP_SLOT 26 /* Create PLT entry */ +#define R_ALPHA_RELATIVE 27 /* Adjust by program base */ + +#define R_ALPHA_COUNT 28 + + +#define R_ARM_NONE 0 /* No relocation. */ +#define R_ARM_PC24 1 +#define R_ARM_ABS32 2 +#define R_ARM_REL32 3 +#define R_ARM_PC13 4 +#define R_ARM_ABS16 5 +#define R_ARM_ABS12 6 +#define R_ARM_THM_ABS5 7 +#define R_ARM_ABS8 8 +#define R_ARM_SBREL32 9 +#define R_ARM_THM_PC22 10 +#define R_ARM_THM_PC8 11 +#define R_ARM_AMP_VCALL9 12 +#define R_ARM_SWI24 13 +#define R_ARM_THM_SWI8 14 +#define R_ARM_XPC25 15 +#define R_ARM_THM_XPC22 16 +#define R_ARM_COPY 20 /* Copy data from shared object. */ +#define R_ARM_GLOB_DAT 21 /* Set GOT entry to data address. */ +#define R_ARM_JUMP_SLOT 22 /* Set GOT entry to code address. */ +#define R_ARM_RELATIVE 23 /* Add load address of shared object. */ +#define R_ARM_GOTOFF 24 /* Add GOT-relative symbol address. */ +#define R_ARM_GOTPC 25 /* Add PC-relative GOT table address. */ +#define R_ARM_GOT32 26 /* Add PC-relative GOT offset. */ +#define R_ARM_PLT32 27 /* Add PC-relative PLT offset. */ +#define R_ARM_GNU_VTENTRY 100 +#define R_ARM_GNU_VTINHERIT 101 +#define R_ARM_RSBREL32 250 +#define R_ARM_THM_RPC22 251 +#define R_ARM_RREL32 252 +#define R_ARM_RABS32 253 +#define R_ARM_RPC24 254 +#define R_ARM_RBASE 255 + +#define R_ARM_COUNT 33 /* Count of defined relocation types. */ + + +#define R_386_NONE 0 /* No relocation. */ +#define R_386_32 1 /* Add symbol value. */ +#define R_386_PC32 2 /* Add PC-relative symbol value. */ +#define R_386_GOT32 3 /* Add PC-relative GOT offset. */ +#define R_386_PLT32 4 /* Add PC-relative PLT offset. */ +#define R_386_COPY 5 /* Copy data from shared object. */ +#define R_386_GLOB_DAT 6 /* Set GOT entry to data address. */ +#define R_386_JMP_SLOT 7 /* Set GOT entry to code address. */ +#define R_386_RELATIVE 8 /* Add load address of shared object. */ +#define R_386_GOTOFF 9 /* Add GOT-relative symbol address. */ +#define R_386_GOTPC 10 /* Add PC-relative GOT table address. */ +#define R_386_TLS_TPOFF 14 /* Negative offset in static TLS block */ +#define R_386_TLS_IE 15 /* Absolute address of GOT for -ve static TLS */ +#define R_386_TLS_GOTIE 16 /* GOT entry for negative static TLS block */ +#define R_386_TLS_LE 17 /* Negative offset relative to static TLS */ +#define R_386_TLS_GD 18 /* 32 bit offset to GOT (index,off) pair */ +#define R_386_TLS_LDM 19 /* 32 bit offset to GOT (index,zero) pair */ +#define R_386_TLS_GD_32 24 /* 32 bit offset to GOT (index,off) pair */ +#define R_386_TLS_GD_PUSH 25 /* pushl instruction for Sun ABI GD sequence */ +#define R_386_TLS_GD_CALL 26 /* call instruction for Sun ABI GD sequence */ +#define R_386_TLS_GD_POP 27 /* popl instruction for Sun ABI GD sequence */ +#define R_386_TLS_LDM_32 28 /* 32 bit offset to GOT (index,zero) pair */ +#define R_386_TLS_LDM_PUSH 29 /* pushl instruction for Sun ABI LD sequence */ +#define R_386_TLS_LDM_CALL 30 /* call instruction for Sun ABI LD sequence */ +#define R_386_TLS_LDM_POP 31 /* popl instruction for Sun ABI LD sequence */ +#define R_386_TLS_LDO_32 32 /* 32 bit offset from start of TLS block */ +#define R_386_TLS_IE_32 33 /* 32 bit offset to GOT static TLS offset entry */ +#define R_386_TLS_LE_32 34 /* 32 bit offset within static TLS block */ +#define R_386_TLS_DTPMOD32 35 /* GOT entry containing TLS index */ +#define R_386_TLS_DTPOFF32 36 /* GOT entry containing TLS offset */ +#define R_386_TLS_TPOFF32 37 /* GOT entry of -ve static TLS offset */ + +#define R_386_COUNT 38 /* Count of defined relocation types. */ + +#define R_PPC_NONE 0 /* No relocation. */ +#define R_PPC_ADDR32 1 +#define R_PPC_ADDR24 2 +#define R_PPC_ADDR16 3 +#define R_PPC_ADDR16_LO 4 +#define R_PPC_ADDR16_HI 5 +#define R_PPC_ADDR16_HA 6 +#define R_PPC_ADDR14 7 +#define R_PPC_ADDR14_BRTAKEN 8 +#define R_PPC_ADDR14_BRNTAKEN 9 +#define R_PPC_REL24 10 +#define R_PPC_REL14 11 +#define R_PPC_REL14_BRTAKEN 12 +#define R_PPC_REL14_BRNTAKEN 13 +#define R_PPC_GOT16 14 +#define R_PPC_GOT16_LO 15 +#define R_PPC_GOT16_HI 16 +#define R_PPC_GOT16_HA 17 +#define R_PPC_PLTREL24 18 +#define R_PPC_COPY 19 +#define R_PPC_GLOB_DAT 20 +#define R_PPC_JMP_SLOT 21 +#define R_PPC_RELATIVE 22 +#define R_PPC_LOCAL24PC 23 +#define R_PPC_UADDR32 24 +#define R_PPC_UADDR16 25 +#define R_PPC_REL32 26 +#define R_PPC_PLT32 27 +#define R_PPC_PLTREL32 28 +#define R_PPC_PLT16_LO 29 +#define R_PPC_PLT16_HI 30 +#define R_PPC_PLT16_HA 31 +#define R_PPC_SDAREL16 32 +#define R_PPC_SECTOFF 33 +#define R_PPC_SECTOFF_LO 34 +#define R_PPC_SECTOFF_HI 35 +#define R_PPC_SECTOFF_HA 36 + +#define R_PPC_COUNT 37 /* Count of defined relocation types. */ + +#define R_PPC_TLS 67 +#define R_PPC_DTPMOD32 68 +#define R_PPC_TPREL16 69 +#define R_PPC_TPREL16_LO 70 +#define R_PPC_TPREL16_HI 71 +#define R_PPC_TPREL16_HA 72 +#define R_PPC_TPREL32 73 +#define R_PPC_DTPREL16 74 +#define R_PPC_DTPREL16_LO 75 +#define R_PPC_DTPREL16_HI 76 +#define R_PPC_DTPREL16_HA 77 +#define R_PPC_DTPREL32 78 +#define R_PPC_GOT_TLSGD16 79 +#define R_PPC_GOT_TLSGD16_LO 80 +#define R_PPC_GOT_TLSGD16_HI 81 +#define R_PPC_GOT_TLSGD16_HA 82 +#define R_PPC_GOT_TLSLD16 83 +#define R_PPC_GOT_TLSLD16_LO 84 +#define R_PPC_GOT_TLSLD16_HI 85 +#define R_PPC_GOT_TLSLD16_HA 86 +#define R_PPC_GOT_TPREL16 87 +#define R_PPC_GOT_TPREL16_LO 88 +#define R_PPC_GOT_TPREL16_HI 89 +#define R_PPC_GOT_TPREL16_HA 90 + +#define R_PPC_EMB_NADDR32 101 +#define R_PPC_EMB_NADDR16 102 +#define R_PPC_EMB_NADDR16_LO 103 +#define R_PPC_EMB_NADDR16_HI 104 +#define R_PPC_EMB_NADDR16_HA 105 +#define R_PPC_EMB_SDAI16 106 +#define R_PPC_EMB_SDA2I16 107 +#define R_PPC_EMB_SDA2REL 108 +#define R_PPC_EMB_SDA21 109 +#define R_PPC_EMB_MRKREF 110 +#define R_PPC_EMB_RELSEC16 111 +#define R_PPC_EMB_RELST_LO 112 +#define R_PPC_EMB_RELST_HI 113 +#define R_PPC_EMB_RELST_HA 114 +#define R_PPC_EMB_BIT_FLD 115 +#define R_PPC_EMB_RELSDA 116 + + /* Count of defined relocation types. */ +#define R_PPC_EMB_COUNT (R_PPC_EMB_RELSDA - R_PPC_EMB_NADDR32 + 1) + + +#define R_SPARC_NONE 0 +#define R_SPARC_8 1 +#define R_SPARC_16 2 +#define R_SPARC_32 3 +#define R_SPARC_DISP8 4 +#define R_SPARC_DISP16 5 +#define R_SPARC_DISP32 6 +#define R_SPARC_WDISP30 7 +#define R_SPARC_WDISP22 8 +#define R_SPARC_HI22 9 +#define R_SPARC_22 10 +#define R_SPARC_13 11 +#define R_SPARC_LO10 12 +#define R_SPARC_GOT10 13 +#define R_SPARC_GOT13 14 +#define R_SPARC_GOT22 15 +#define R_SPARC_PC10 16 +#define R_SPARC_PC22 17 +#define R_SPARC_WPLT30 18 +#define R_SPARC_COPY 19 +#define R_SPARC_GLOB_DAT 20 +#define R_SPARC_JMP_SLOT 21 +#define R_SPARC_RELATIVE 22 +#define R_SPARC_UA32 23 +#define R_SPARC_PLT32 24 +#define R_SPARC_HIPLT22 25 +#define R_SPARC_LOPLT10 26 +#define R_SPARC_PCPLT32 27 +#define R_SPARC_PCPLT22 28 +#define R_SPARC_PCPLT10 29 +#define R_SPARC_10 30 +#define R_SPARC_11 31 +#define R_SPARC_64 32 +#define R_SPARC_OLO10 33 +#define R_SPARC_HH22 34 +#define R_SPARC_HM10 35 +#define R_SPARC_LM22 36 +#define R_SPARC_PC_HH22 37 +#define R_SPARC_PC_HM10 38 +#define R_SPARC_PC_LM22 39 +#define R_SPARC_WDISP16 40 +#define R_SPARC_WDISP19 41 +#define R_SPARC_GLOB_JMP 42 +#define R_SPARC_7 43 +#define R_SPARC_5 44 +#define R_SPARC_6 45 +#define R_SPARC_DISP64 46 +#define R_SPARC_PLT64 47 +#define R_SPARC_HIX22 48 +#define R_SPARC_LOX10 49 +#define R_SPARC_H44 50 +#define R_SPARC_M44 51 +#define R_SPARC_L44 52 +#define R_SPARC_REGISTER 53 +#define R_SPARC_UA64 54 +#define R_SPARC_UA16 55 + + +/* + * Magic number for the elf trampoline, chosen wisely to be an immediate + * value. + */ +#define ARM_MAGIC_TRAMP_NUMBER 0x5c000003 + + /* * Symbol table entries. */ @@ -599,7 +892,7 @@ typedef struct { #define ELF64_R_TYPE(info) ((info) & 0xffffffffL) /* Macro for constructing r_info from field values. */ -#define ELF64_R_INFO(sym, type) (((sym) << 32) + ((type) & 0xffffffffL)) +#define ELF64_R_INFO(sym, type) ((((uint64)(sym)) << 32) + (((uint64)(type)) & 0xffffffffULL)) /* * Symbol table entries.