X-Git-Url: http://git.megacz.com/?p=ghc-hetmet.git;a=blobdiff_plain;f=rts%2FLinker.c;h=2412864d4dc145e41a6721771935a6b50462e232;hp=1fdd7c79dbb4308bcb8acba85ae9ffcd8d1787bb;hb=5270423a6afe69f1dc57e5e5a474812182718d40;hpb=3ce4cf858bbcae18ffc6989ca19522cb8887aab9 diff --git a/rts/Linker.c b/rts/Linker.c index 1fdd7c7..2412864 100644 --- a/rts/Linker.c +++ b/rts/Linker.c @@ -63,12 +63,12 @@ #include #endif -#if defined(ia64_HOST_ARCH) || defined(linux_HOST_OS) || defined(freebsd_HOST_OS) || defined(netbsd_HOST_OS) || defined(openbsd_HOST_OS) +#if defined(ia64_HOST_ARCH) || defined(linux_HOST_OS) || defined(freebsd_HOST_OS) || defined(dragonfly_HOST_OS) || defined(netbsd_HOST_OS) || defined(openbsd_HOST_OS) #define USE_MMAP #include #include -#if defined(linux_HOST_OS) || defined(freebsd_HOST_OS) || defined(netbsd_HOST_OS) || defined(openbsd_HOST_OS) +#if defined(linux_HOST_OS) || defined(freebsd_HOST_OS) || defined(dragonfly_HOST_OS) || defined(netbsd_HOST_OS) || defined(openbsd_HOST_OS) #ifdef HAVE_UNISTD_H #include #endif @@ -76,7 +76,7 @@ #endif -#if defined(linux_HOST_OS) || defined(solaris2_HOST_OS) || defined(freebsd_HOST_OS) || defined(netbsd_HOST_OS) || defined(openbsd_HOST_OS) +#if defined(linux_HOST_OS) || defined(solaris2_HOST_OS) || defined(freebsd_HOST_OS) || defined(dragonfly_HOST_OS) || defined(netbsd_HOST_OS) || defined(openbsd_HOST_OS) # define OBJFORMAT_ELF #elif defined(cygwin32_HOST_OS) || defined (mingw32_HOST_OS) # define OBJFORMAT_PEi386 @@ -423,6 +423,10 @@ typedef struct _RtsSymbolVal { SymI_HasProto(expf) \ SymI_HasProto(logf) \ SymI_HasProto(sqrtf) \ + SymI_HasProto(erf) \ + SymI_HasProto(erfc) \ + SymI_HasProto(erff) \ + SymI_HasProto(erfcf) \ SymI_HasProto(memcpy) \ SymI_HasProto(rts_InstallConsoleEvent) \ SymI_HasProto(rts_ConsoleHandlerDone) \ @@ -501,10 +505,13 @@ typedef struct _RtsSymbolVal { #if !defined(mingw32_HOST_OS) #define RTS_USER_SIGNALS_SYMBOLS \ SymI_HasProto(setIOManagerPipe) \ - SymI_NeedsProto(blockUserSignals) \ - SymI_NeedsProto(unblockUserSignals) + SymI_HasProto(ioManagerWakeup) \ + SymI_HasProto(ioManagerSync) \ + SymI_HasProto(blockUserSignals) \ + SymI_HasProto(unblockUserSignals) #else #define RTS_USER_SIGNALS_SYMBOLS \ + SymI_HasProto(ioManagerWakeup) \ SymI_HasProto(sendIOManagerEvent) \ SymI_HasProto(readIOManagerEvent) \ SymI_HasProto(getIOManagerEvent) \ @@ -549,8 +556,137 @@ typedef struct _RtsSymbolVal { SymI_HasProto(stg_ap_pppppp_ret) #endif +/* Modules compiled with -ticky may mention ticky counters */ +/* This list should marry up with the one in $(TOP)/includes/stg/Ticky.h */ +#define RTS_TICKY_SYMBOLS \ + SymI_NeedsProto(ticky_entry_ctrs) \ + SymI_NeedsProto(top_ct) \ + \ + SymI_HasProto(ENT_VIA_NODE_ctr) \ + SymI_HasProto(ENT_STATIC_THK_ctr) \ + SymI_HasProto(ENT_DYN_THK_ctr) \ + SymI_HasProto(ENT_STATIC_FUN_DIRECT_ctr) \ + SymI_HasProto(ENT_DYN_FUN_DIRECT_ctr) \ + SymI_HasProto(ENT_STATIC_CON_ctr) \ + SymI_HasProto(ENT_DYN_CON_ctr) \ + SymI_HasProto(ENT_STATIC_IND_ctr) \ + SymI_HasProto(ENT_DYN_IND_ctr) \ + SymI_HasProto(ENT_PERM_IND_ctr) \ + SymI_HasProto(ENT_PAP_ctr) \ + SymI_HasProto(ENT_AP_ctr) \ + SymI_HasProto(ENT_AP_STACK_ctr) \ + SymI_HasProto(ENT_BH_ctr) \ + SymI_HasProto(UNKNOWN_CALL_ctr) \ + SymI_HasProto(SLOW_CALL_v_ctr) \ + SymI_HasProto(SLOW_CALL_f_ctr) \ + SymI_HasProto(SLOW_CALL_d_ctr) \ + SymI_HasProto(SLOW_CALL_l_ctr) \ + SymI_HasProto(SLOW_CALL_n_ctr) \ + SymI_HasProto(SLOW_CALL_p_ctr) \ + SymI_HasProto(SLOW_CALL_pv_ctr) \ + SymI_HasProto(SLOW_CALL_pp_ctr) \ + SymI_HasProto(SLOW_CALL_ppv_ctr) \ + SymI_HasProto(SLOW_CALL_ppp_ctr) \ + SymI_HasProto(SLOW_CALL_pppv_ctr) \ + SymI_HasProto(SLOW_CALL_pppp_ctr) \ + SymI_HasProto(SLOW_CALL_ppppp_ctr) \ + SymI_HasProto(SLOW_CALL_pppppp_ctr) \ + SymI_HasProto(SLOW_CALL_OTHER_ctr) \ + SymI_HasProto(ticky_slow_call_unevald) \ + SymI_HasProto(SLOW_CALL_ctr) \ + SymI_HasProto(MULTI_CHUNK_SLOW_CALL_ctr) \ + SymI_HasProto(MULTI_CHUNK_SLOW_CALL_CHUNKS_ctr) \ + SymI_HasProto(KNOWN_CALL_ctr) \ + SymI_HasProto(KNOWN_CALL_TOO_FEW_ARGS_ctr) \ + SymI_HasProto(KNOWN_CALL_EXTRA_ARGS_ctr) \ + SymI_HasProto(SLOW_CALL_FUN_TOO_FEW_ctr) \ + SymI_HasProto(SLOW_CALL_FUN_CORRECT_ctr) \ + SymI_HasProto(SLOW_CALL_FUN_TOO_MANY_ctr) \ + SymI_HasProto(SLOW_CALL_PAP_TOO_FEW_ctr) \ + SymI_HasProto(SLOW_CALL_PAP_CORRECT_ctr) \ + SymI_HasProto(SLOW_CALL_PAP_TOO_MANY_ctr) \ + SymI_HasProto(SLOW_CALL_UNEVALD_ctr) \ + SymI_HasProto(UPDF_OMITTED_ctr) \ + SymI_HasProto(UPDF_PUSHED_ctr) \ + SymI_HasProto(CATCHF_PUSHED_ctr) \ + SymI_HasProto(UPDF_RCC_PUSHED_ctr) \ + SymI_HasProto(UPDF_RCC_OMITTED_ctr) \ + SymI_HasProto(UPD_SQUEEZED_ctr) \ + SymI_HasProto(UPD_CON_IN_NEW_ctr) \ + SymI_HasProto(UPD_CON_IN_PLACE_ctr) \ + SymI_HasProto(UPD_PAP_IN_NEW_ctr) \ + SymI_HasProto(UPD_PAP_IN_PLACE_ctr) \ + SymI_HasProto(ALLOC_HEAP_ctr) \ + SymI_HasProto(ALLOC_HEAP_tot) \ + SymI_HasProto(ALLOC_FUN_ctr) \ + SymI_HasProto(ALLOC_FUN_adm) \ + SymI_HasProto(ALLOC_FUN_gds) \ + SymI_HasProto(ALLOC_FUN_slp) \ + SymI_HasProto(UPD_NEW_IND_ctr) \ + SymI_HasProto(UPD_NEW_PERM_IND_ctr) \ + SymI_HasProto(UPD_OLD_IND_ctr) \ + SymI_HasProto(UPD_OLD_PERM_IND_ctr) \ + SymI_HasProto(UPD_BH_UPDATABLE_ctr) \ + SymI_HasProto(UPD_BH_SINGLE_ENTRY_ctr) \ + SymI_HasProto(UPD_CAF_BH_UPDATABLE_ctr) \ + SymI_HasProto(UPD_CAF_BH_SINGLE_ENTRY_ctr) \ + SymI_HasProto(GC_SEL_ABANDONED_ctr) \ + SymI_HasProto(GC_SEL_MINOR_ctr) \ + SymI_HasProto(GC_SEL_MAJOR_ctr) \ + SymI_HasProto(GC_FAILED_PROMOTION_ctr) \ + SymI_HasProto(ALLOC_UP_THK_ctr) \ + SymI_HasProto(ALLOC_SE_THK_ctr) \ + SymI_HasProto(ALLOC_THK_adm) \ + SymI_HasProto(ALLOC_THK_gds) \ + SymI_HasProto(ALLOC_THK_slp) \ + SymI_HasProto(ALLOC_CON_ctr) \ + SymI_HasProto(ALLOC_CON_adm) \ + SymI_HasProto(ALLOC_CON_gds) \ + SymI_HasProto(ALLOC_CON_slp) \ + SymI_HasProto(ALLOC_TUP_ctr) \ + SymI_HasProto(ALLOC_TUP_adm) \ + SymI_HasProto(ALLOC_TUP_gds) \ + SymI_HasProto(ALLOC_TUP_slp) \ + SymI_HasProto(ALLOC_BH_ctr) \ + SymI_HasProto(ALLOC_BH_adm) \ + SymI_HasProto(ALLOC_BH_gds) \ + SymI_HasProto(ALLOC_BH_slp) \ + SymI_HasProto(ALLOC_PRIM_ctr) \ + SymI_HasProto(ALLOC_PRIM_adm) \ + SymI_HasProto(ALLOC_PRIM_gds) \ + SymI_HasProto(ALLOC_PRIM_slp) \ + SymI_HasProto(ALLOC_PAP_ctr) \ + SymI_HasProto(ALLOC_PAP_adm) \ + SymI_HasProto(ALLOC_PAP_gds) \ + SymI_HasProto(ALLOC_PAP_slp) \ + SymI_HasProto(ALLOC_TSO_ctr) \ + SymI_HasProto(ALLOC_TSO_adm) \ + SymI_HasProto(ALLOC_TSO_gds) \ + SymI_HasProto(ALLOC_TSO_slp) \ + SymI_HasProto(RET_NEW_ctr) \ + SymI_HasProto(RET_OLD_ctr) \ + SymI_HasProto(RET_UNBOXED_TUP_ctr) \ + SymI_HasProto(RET_SEMI_loads_avoided) + + +// On most platforms, the garbage collector rewrites references +// to small integer and char objects to a set of common, shared ones. +// +// We don't do this when compiling to Windows DLLs at the moment because +// it doesn't support cross package data references well. +// +#if defined(__PIC__) && defined(mingw32_HOST_OS) +#define RTS_INTCHAR_SYMBOLS +#else +#define RTS_INTCHAR_SYMBOLS \ + SymI_HasProto(stg_CHARLIKE_closure) \ + SymI_HasProto(stg_INTLIKE_closure) +#endif + + #define RTS_SYMBOLS \ Maybe_Stable_Names \ + RTS_TICKY_SYMBOLS \ SymI_HasProto(StgReturn) \ SymI_HasProto(stg_enter_info) \ SymI_HasProto(stg_gc_void_info) \ @@ -618,7 +754,11 @@ typedef struct _RtsSymbolVal { SymI_HasProto(forkOS_createThread) \ SymI_HasProto(freeHaskellFunctionPtr) \ SymI_HasProto(getOrSetTypeableStore) \ - SymI_HasProto(getOrSetSignalHandlerStore) \ + SymI_HasProto(getOrSetGHCConcSignalHandlerStore) \ + SymI_HasProto(getOrSetGHCConcPendingEventsStore) \ + SymI_HasProto(getOrSetGHCConcPendingDelaysStore) \ + SymI_HasProto(getOrSetGHCConcIOManagerThreadStore) \ + SymI_HasProto(getOrSetGHCConcProddingStore) \ SymI_HasProto(genSymZh) \ SymI_HasProto(genericRaise) \ SymI_HasProto(getProgArgv) \ @@ -728,11 +868,9 @@ typedef struct _RtsSymbolVal { SymI_HasProto(stg_CAF_BLACKHOLE_info) \ SymI_HasProto(__stg_EAGER_BLACKHOLE_info) \ SymI_HasProto(startTimer) \ - SymI_HasProto(stg_CHARLIKE_closure) \ SymI_HasProto(stg_MVAR_CLEAN_info) \ SymI_HasProto(stg_MVAR_DIRTY_info) \ SymI_HasProto(stg_IND_STATIC_info) \ - SymI_HasProto(stg_INTLIKE_closure) \ SymI_HasProto(stg_ARR_WORDS_info) \ SymI_HasProto(stg_MUT_ARR_PTRS_DIRTY_info) \ SymI_HasProto(stg_MUT_ARR_PTRS_FROZEN_info) \ @@ -805,9 +943,8 @@ typedef struct _RtsSymbolVal { SymI_HasProto(stg_writeTVarzh) \ SymI_HasProto(stg_yieldzh) \ SymI_NeedsProto(stg_interp_constr_entry) \ - SymI_HasProto(alloc_blocks) \ SymI_HasProto(alloc_blocks_lim) \ - SymI_HasProto(allocateLocal) \ + SymI_HasProto(allocate) \ SymI_HasProto(allocateExec) \ SymI_HasProto(freeExec) \ SymI_HasProto(getAllocations) \ @@ -819,7 +956,9 @@ typedef struct _RtsSymbolVal { SymI_HasProto(stopTimer) \ SymI_HasProto(n_capabilities) \ SymI_HasProto(stg_traceCcszh) \ - RTS_USER_SIGNALS_SYMBOLS + SymI_HasProto(stg_traceEventzh) \ + RTS_USER_SIGNALS_SYMBOLS \ + RTS_INTCHAR_SYMBOLS // 64-bit support functions in libgcc.a @@ -834,14 +973,6 @@ typedef struct _RtsSymbolVal { SymI_NeedsProto(__ashrdi3) \ SymI_NeedsProto(__lshrdi3) \ SymI_NeedsProto(__eprintf) -#elif defined(ia64_HOST_ARCH) -#define RTS_LIBGCC_SYMBOLS \ - SymI_NeedsProto(__divdi3) \ - SymI_NeedsProto(__udivdi3) \ - SymI_NeedsProto(__moddi3) \ - SymI_NeedsProto(__umoddi3) \ - SymI_NeedsProto(__divsf3) \ - SymI_NeedsProto(__divdf3) #else #define RTS_LIBGCC_SYMBOLS #endif @@ -1254,10 +1385,6 @@ void ghci_enquire ( char* addr ) } #endif -#ifdef ia64_HOST_ARCH -static unsigned int PLTSize(void); -#endif - #ifdef USE_MMAP #define ROUND_UP(x,size) ((x + size - 1) & ~(size - 1)) @@ -1296,7 +1423,7 @@ mmap_again: } else { if ((W_)result > 0x80000000) { // oops, we were given memory over 2Gb -#if defined(freebsd_HOST_OS) +#if defined(freebsd_HOST_OS) || defined(dragonfly_HOST_OS) // Some platforms require MAP_FIXED. This is normally // a bad idea, because MAP_FIXED will overwrite // existing mappings. @@ -1413,28 +1540,7 @@ loadObj( char *path ) if (fd == -1) barf("loadObj: can't open `%s'", path); -#ifdef ia64_HOST_ARCH - /* The PLT needs to be right before the object */ - { - int pagesize, n; - pagesize = getpagesize(); - n = ROUND_UP(PLTSize(), pagesize); - oc->plt = mmap(NULL, n, PROT_EXEC|PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0); - if (oc->plt == MAP_FAILED) - barf("loadObj: can't allocate PLT"); - - oc->pltIndex = 0; - map_addr = oc->plt + n; - - n = ROUND_UP(oc->fileSize, pagesize); - oc->image = mmap(map_addr, n, PROT_EXEC|PROT_READ|PROT_WRITE, - MAP_PRIVATE|TRY_MAP_32BIT, fd, 0); - if (oc->image == MAP_FAILED) - barf("loadObj: can't map `%s'", path); - } -#else oc->image = mmapForLinker(oc->fileSize, 0, fd); -#endif close(fd); @@ -2684,12 +2790,6 @@ ocResolve_PEi386 ( ObjectCode* oc ) #elif defined(x86_64_HOST_ARCH) # define ELF_TARGET_X64_64 # define ELF_64BIT -#elif defined (ia64_HOST_ARCH) -# define ELF_TARGET_IA64 /* Used inside */ -# define ELF_64BIT -# define ELF_FUNCTION_DESC /* calling convention uses function descriptors */ -# define ELF_NEED_GOT /* needs Global Offset Table */ -# define ELF_NEED_PLT /* needs Procedure Linkage Tables */ #endif #if !defined(openbsd_HOST_OS) @@ -2819,30 +2919,6 @@ copyFunctionDesc(Elf_Addr target) #endif #ifdef ELF_NEED_PLT -#ifdef ia64_HOST_ARCH -static void ia64_reloc_gprel22(Elf_Addr target, Elf_Addr value); -static void ia64_reloc_pcrel21(Elf_Addr target, Elf_Addr value, ObjectCode *oc); - -static unsigned char plt_code[] = -{ - /* taken from binutils bfd/elfxx-ia64.c */ - 0x0b, 0x78, 0x00, 0x02, 0x00, 0x24, /* [MMI] addl r15=0,r1;; */ - 0x00, 0x41, 0x3c, 0x30, 0x28, 0xc0, /* ld8 r16=[r15],8 */ - 0x01, 0x08, 0x00, 0x84, /* mov r14=r1;; */ - 0x11, 0x08, 0x00, 0x1e, 0x18, 0x10, /* [MIB] ld8 r1=[r15] */ - 0x60, 0x80, 0x04, 0x80, 0x03, 0x00, /* mov b6=r16 */ - 0x60, 0x00, 0x80, 0x00 /* br.few b6;; */ -}; - -/* If we can't get to the function descriptor via gp, take a local copy of it */ -#define PLT_RELOC(code, target) { \ - Elf64_Sxword rel_value = target - gp_val; \ - if ((rel_value > 0x1fffff) || (rel_value < -0x1fffff)) \ - ia64_reloc_gprel22((Elf_Addr)code, copyFunctionDesc(target)); \ - else \ - ia64_reloc_gprel22((Elf_Addr)code, target); \ - } -#endif typedef struct { unsigned char code[sizeof(plt_code)]; @@ -2900,25 +2976,6 @@ findElfSection ( void* objImage, Elf_Word sh_type ) return ptr; } -#if defined(ia64_HOST_ARCH) -static Elf_Addr -findElfSegment ( void* objImage, Elf_Addr vaddr ) -{ - char* ehdrC = (char*)objImage; - Elf_Ehdr* ehdr = (Elf_Ehdr*)ehdrC; - Elf_Phdr* phdr = (Elf_Phdr*)(ehdrC + ehdr->e_phoff); - Elf_Addr segaddr = 0; - int i; - - for (i = 0; i < ehdr->e_phnum; i++) { - segaddr = phdr[i].p_vaddr; - if ((vaddr >= segaddr) && (vaddr < segaddr + phdr[i].p_memsz)) - break; - } - return segaddr; -} -#endif - static int ocVerifyImage_ELF ( ObjectCode* oc ) { @@ -3412,9 +3469,6 @@ do_Elf_Rela_relocations ( ObjectCode* oc, char* ehdrC, # if defined(sparc_HOST_ARCH) Elf_Word* pP = (Elf_Word*)P; Elf_Word w1, w2; -# elif defined(ia64_HOST_ARCH) - Elf64_Xword *pP = (Elf64_Xword *)P; - Elf_Addr addr; # elif defined(powerpc_HOST_ARCH) Elf_Sword delta; # endif @@ -3515,34 +3569,6 @@ do_Elf_Rela_relocations ( ObjectCode* oc, char* ehdrC, w2 = (Elf_Word)value; *pP = w2; break; -# elif defined(ia64_HOST_ARCH) - case R_IA64_DIR64LSB: - case R_IA64_FPTR64LSB: - *pP = value; - break; - case R_IA64_PCREL64LSB: - *pP = value - P; - break; - case R_IA64_SEGREL64LSB: - addr = findElfSegment(ehdrC, value); - *pP = value - addr; - break; - case R_IA64_GPREL22: - ia64_reloc_gprel22(P, value); - break; - case R_IA64_LTOFF22: - case R_IA64_LTOFF22X: - case R_IA64_LTOFF_FPTR22: - addr = allocateGOTEntry(value); - ia64_reloc_gprel22(P, addr); - break; - case R_IA64_PCREL21B: - ia64_reloc_pcrel21(P, S, oc); - break; - case R_IA64_LDXMOV: - /* This goes with R_IA64_LTOFF22X and points to the load to - * convert into a move. We don't implement relaxation. */ - break; # elif defined(powerpc_HOST_ARCH) case R_PPC_ADDR16_LO: *(Elf32_Half*) P = value; @@ -3718,98 +3744,6 @@ ocResolve_ELF ( ObjectCode* oc ) } /* - * IA64 specifics - * Instructions are 41 bits long, packed into 128 bit bundles with a 5-bit template - * at the front. The following utility functions pack and unpack instructions, and - * take care of the most common relocations. - */ - -#ifdef ia64_HOST_ARCH - -static Elf64_Xword -ia64_extract_instruction(Elf64_Xword *target) -{ - Elf64_Xword w1, w2; - int slot = (Elf_Addr)target & 3; - target = (Elf_Addr)target & ~3; - - w1 = *target; - w2 = *(target+1); - - switch (slot) - { - case 0: - return ((w1 >> 5) & 0x1ffffffffff); - case 1: - return (w1 >> 46) | ((w2 & 0x7fffff) << 18); - case 2: - return (w2 >> 23); - default: - barf("ia64_extract_instruction: invalid slot %p", target); - } -} - -static void -ia64_deposit_instruction(Elf64_Xword *target, Elf64_Xword value) -{ - int slot = (Elf_Addr)target & 3; - target = (Elf_Addr)target & ~3; - - switch (slot) - { - case 0: - *target |= value << 5; - break; - case 1: - *target |= value << 46; - *(target+1) |= value >> 18; - break; - case 2: - *(target+1) |= value << 23; - break; - } -} - -static void -ia64_reloc_gprel22(Elf_Addr target, Elf_Addr value) -{ - Elf64_Xword instruction; - Elf64_Sxword rel_value; - - rel_value = value - gp_val; - if ((rel_value > 0x1fffff) || (rel_value < -0x1fffff)) - barf("GP-relative data out of range (address = 0x%lx, gp = 0x%lx)", value, gp_val); - - instruction = ia64_extract_instruction((Elf64_Xword *)target); - instruction |= (((rel_value >> 0) & 0x07f) << 13) /* imm7b */ - | (((rel_value >> 7) & 0x1ff) << 27) /* imm9d */ - | (((rel_value >> 16) & 0x01f) << 22) /* imm5c */ - | ((Elf64_Xword)(rel_value < 0) << 36); /* s */ - ia64_deposit_instruction((Elf64_Xword *)target, instruction); -} - -static void -ia64_reloc_pcrel21(Elf_Addr target, Elf_Addr value, ObjectCode *oc) -{ - Elf64_Xword instruction; - Elf64_Sxword rel_value; - Elf_Addr entry; - - entry = allocatePLTEntry(value, oc); - - rel_value = (entry >> 4) - (target >> 4); - if ((rel_value > 0xfffff) || (rel_value < -0xfffff)) - barf("PLT entry too far away (entry = 0x%lx, target = 0x%lx)", entry, target); - - instruction = ia64_extract_instruction((Elf64_Xword *)target); - instruction |= ((rel_value & 0xfffff) << 13) /* imm20b */ - | ((Elf64_Xword)(rel_value < 0) << 36); /* s */ - ia64_deposit_instruction((Elf64_Xword *)target, instruction); -} - -#endif /* ia64 */ - -/* * PowerPC & X86_64 ELF specifics */ @@ -4203,7 +4137,8 @@ static int relocateSection( || scat->r_type == PPC_RELOC_HI16_SECTDIFF || scat->r_type == PPC_RELOC_HA16_SECTDIFF) #else - else if(scat->r_type == GENERIC_RELOC_SECTDIFF) + else if(scat->r_type == GENERIC_RELOC_SECTDIFF + || scat->r_type == GENERIC_RELOC_LOCAL_SECTDIFF) #endif { struct scattered_relocation_info *pair = @@ -4258,15 +4193,23 @@ static int relocateSection( i++; } #endif - else - continue; // ignore the others - + else + { + barf ("Don't know how to handle this Mach-O " + "scattered relocation entry: " + "object file %s; entry type %ld; " + "address %#lx\n", + oc->fileName, scat->r_type, scat->r_address); + return 0; + } + #ifdef powerpc_HOST_ARCH if(scat->r_type == GENERIC_RELOC_VANILLA || scat->r_type == PPC_RELOC_SECTDIFF) #else if(scat->r_type == GENERIC_RELOC_VANILLA - || scat->r_type == GENERIC_RELOC_SECTDIFF) + || scat->r_type == GENERIC_RELOC_SECTDIFF + || scat->r_type == GENERIC_RELOC_LOCAL_SECTDIFF) #endif { *wordPtr = word; @@ -4287,11 +4230,28 @@ static int relocateSection( } #endif } + else + { + barf("Can't handle Mach-O scattered relocation entry " + "with this r_length tag: " + "object file %s; entry type %ld; " + "r_length tag %ld; address %#lx\n", + oc->fileName, scat->r_type, scat->r_length, + scat->r_address); + return 0; + } } - - continue; // FIXME: I hope it's OK to ignore all the others. + else /* scat->r_pcrel */ + { + barf("Don't know how to handle *PC-relative* Mach-O " + "scattered relocation entry: " + "object file %s; entry type %ld; address %#lx\n", + oc->fileName, scat->r_type, scat->r_address); + return 0; + } + } - else + else /* !(relocs[i].r_address & R_SCATTERED) */ { struct relocation_info *reloc = &relocs[i]; if(reloc->r_pcrel && !reloc->r_extern) @@ -4336,6 +4296,14 @@ static int relocateSection( word = (word & 0x03FFFFFC) | ((word & 0x02000000) ? 0xFC000000 : 0); } #endif + else + { + barf("Can't handle this Mach-O relocation entry " + "(not scattered): " + "object file %s; entry type %ld; address %#lx\n", + oc->fileName, reloc->r_type, reloc->r_address); + return 0; + } if(!reloc->r_extern) { @@ -4427,8 +4395,16 @@ static int relocateSection( } #endif } - barf("\nunknown relocation %d",reloc->r_type); - return 0; + else + { + barf("Can't handle Mach-O relocation entry (not scattered) " + "with this r_length tag: " + "object file %s; entry type %ld; " + "r_length tag %ld; address %#lx\n", + oc->fileName, reloc->r_type, reloc->r_length, + reloc->r_address); + return 0; + } } #endif }