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Linker.c
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Linker.c
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/* -----------------------------------------------------------------------------
*
* (c) The GHC Team, 2000-2004
*
* RTS Object Linker
*
* ---------------------------------------------------------------------------*/
#if 0
#include "PosixSource.h"
#endif
/* Linux needs _GNU_SOURCE to get RTLD_DEFAULT from <dlfcn.h> and
MREMAP_MAYMOVE from <sys/mman.h>.
*/
#if defined(__linux__) || defined(__GLIBC__)
#define _GNU_SOURCE 1
#endif
#include "Rts.h"
#include "HsFFI.h"
#include "sm/Storage.h"
#include "Stats.h"
#include "Hash.h"
#include "LinkerInternals.h"
#include "RtsUtils.h"
#include "Trace.h"
#include "StgPrimFloat.h" // for __int_encodeFloat etc.
#include "Stable.h"
#if !defined(mingw32_HOST_OS)
#include "posix/Signals.h"
#endif
// get protos for is*()
#include <ctype.h>
#ifdef HAVE_SYS_TYPES_H
#include <sys/types.h>
#endif
#include <inttypes.h>
#include <stdlib.h>
#include <string.h>
#include <stdio.h>
#include <assert.h>
#ifdef HAVE_SYS_STAT_H
#include <sys/stat.h>
#endif
#if defined(HAVE_DLFCN_H)
#include <dlfcn.h>
#endif
#if defined(cygwin32_HOST_OS)
#ifdef HAVE_DIRENT_H
#include <dirent.h>
#endif
#ifdef HAVE_SYS_TIME_H
#include <sys/time.h>
#endif
#include <regex.h>
#include <sys/fcntl.h>
#include <sys/termios.h>
#include <sys/utime.h>
#include <sys/utsname.h>
#include <sys/wait.h>
#endif
#if !defined(powerpc_HOST_ARCH) && \
( defined(linux_HOST_OS ) || defined(freebsd_HOST_OS) || \
defined(dragonfly_HOST_OS) || defined(netbsd_HOST_OS ) || \
defined(openbsd_HOST_OS ) || defined(darwin_HOST_OS ) || \
defined(kfreebsdgnu_HOST_OS) )
/* Don't use mmap on powerpc_HOST_ARCH as mmap doesn't support
* reallocating but we need to allocate jump islands just after each
* object images. Otherwise relative branches to jump islands can fail
* due to 24-bits displacement overflow.
*/
#define USE_MMAP
#include <fcntl.h>
#include <sys/mman.h>
#ifdef HAVE_UNISTD_H
#include <unistd.h>
#endif
#endif
#if defined(linux_HOST_OS) || defined(solaris2_HOST_OS) || defined(freebsd_HOST_OS) || defined(kfreebsdgnu_HOST_OS) || defined(dragonfly_HOST_OS) || defined(netbsd_HOST_OS) || defined(openbsd_HOST_OS)
# define OBJFORMAT_ELF
# include <regex.h> // regex is already used by dlopen() so this is OK
// to use here without requiring an additional lib
#elif defined(cygwin32_HOST_OS) || defined (mingw32_HOST_OS)
# define OBJFORMAT_PEi386
# include <windows.h>
# include <math.h>
#elif defined(darwin_HOST_OS)
# define OBJFORMAT_MACHO
# include <regex.h>
# include <mach/machine.h>
# include <mach-o/fat.h>
# include <mach-o/loader.h>
# include <mach-o/nlist.h>
# include <mach-o/reloc.h>
#if !defined(HAVE_DLFCN_H)
# include <mach-o/dyld.h>
#endif
#if defined(powerpc_HOST_ARCH)
# include <mach-o/ppc/reloc.h>
#endif
#if defined(x86_64_HOST_ARCH)
# include <mach-o/x86_64/reloc.h>
#endif
#endif
#if defined(x86_64_HOST_ARCH) && defined(darwin_HOST_OS)
#define ALWAYS_PIC
#endif
/* Hash table mapping symbol names to Symbol */
static /*Str*/HashTable *symhash;
/* Hash table mapping symbol names to StgStablePtr */
static /*Str*/HashTable *stablehash;
/* List of currently loaded objects */
ObjectCode *objects = NULL; /* initially empty */
static HsInt loadOc( ObjectCode* oc );
static ObjectCode* mkOc( pathchar *path, char *image, int imageSize,
char *archiveMemberName
#ifndef USE_MMAP
#ifdef darwin_HOST_OS
, int misalignment
#endif
#endif
);
// Use wchar_t for pathnames on Windows (#5697)
#if defined(mingw32_HOST_OS)
#define pathcmp wcscmp
#define pathlen wcslen
#define pathopen _wfopen
#define pathstat _wstat
#define struct_stat struct _stat
#define open wopen
#define WSTR(s) L##s
#define PATH_FMT "S"
#else
#define pathcmp strcmp
#define pathlen strlen
#define pathopen fopen
#define pathstat stat
#define struct_stat struct stat
#define WSTR(s) s
#define PATH_FMT "s"
#endif
static pathchar* pathdup(pathchar *path)
{
pathchar *ret;
#if defined(mingw32_HOST_OS)
ret = wcsdup(path);
#else
/* sigh, strdup() isn't a POSIX function, so do it the long way */
ret = stgMallocBytes( strlen(path)+1, "loadObj" );
strcpy(ret, path);
#endif
return ret;
}
#if defined(OBJFORMAT_ELF)
static int ocVerifyImage_ELF ( ObjectCode* oc );
static int ocGetNames_ELF ( ObjectCode* oc );
static int ocResolve_ELF ( ObjectCode* oc );
#if defined(powerpc_HOST_ARCH) || defined(x86_64_HOST_ARCH) || defined(arm_HOST_ARCH)
static int ocAllocateSymbolExtras_ELF ( ObjectCode* oc );
#endif
#elif defined(OBJFORMAT_PEi386)
static int ocVerifyImage_PEi386 ( ObjectCode* oc );
static int ocGetNames_PEi386 ( ObjectCode* oc );
static int ocResolve_PEi386 ( ObjectCode* oc );
static void *lookupSymbolInDLLs ( unsigned char *lbl );
static void zapTrailingAtSign ( unsigned char *sym );
#elif defined(OBJFORMAT_MACHO)
static int ocVerifyImage_MachO ( ObjectCode* oc );
static int ocGetNames_MachO ( ObjectCode* oc );
static int ocResolve_MachO ( ObjectCode* oc );
#ifndef USE_MMAP
static int machoGetMisalignment( FILE * );
#endif
#if defined(powerpc_HOST_ARCH) || defined(x86_64_HOST_ARCH)
static int ocAllocateSymbolExtras_MachO ( ObjectCode* oc );
#endif
#ifdef powerpc_HOST_ARCH
static void machoInitSymbolsWithoutUnderscore( void );
#endif
#endif
/* on x86_64 we have a problem with relocating symbol references in
* code that was compiled without -fPIC. By default, the small memory
* model is used, which assumes that symbol references can fit in a
* 32-bit slot. The system dynamic linker makes this work for
* references to shared libraries by either (a) allocating a jump
* table slot for code references, or (b) moving the symbol at load
* time (and copying its contents, if necessary) for data references.
*
* We unfortunately can't tell whether symbol references are to code
* or data. So for now we assume they are code (the vast majority
* are), and allocate jump-table slots. Unfortunately this will
* SILENTLY generate crashing code for data references. This hack is
* enabled by X86_64_ELF_NONPIC_HACK.
*
* One workaround is to use shared Haskell libraries. This is
* coming. Another workaround is to keep the static libraries but
* compile them with -fPIC, because that will generate PIC references
* to data which can be relocated. The PIC code is still too green to
* do this systematically, though.
*
* See bug #781
* See thread http://www.haskell.org/pipermail/cvs-ghc/2007-September/038458.html
*
* Naming Scheme for Symbol Macros
*
* SymI_*: symbol is internal to the RTS. It resides in an object
* file/library that is statically.
* SymE_*: symbol is external to the RTS library. It might be linked
* dynamically.
*
* Sym*_HasProto : the symbol prototype is imported in an include file
* or defined explicitly
* Sym*_NeedsProto: the symbol is undefined and we add a dummy
* default proto extern void sym(void);
*/
#define X86_64_ELF_NONPIC_HACK 1
/* Link objects into the lower 2Gb on x86_64. GHC assumes the
* small memory model on this architecture (see gcc docs,
* -mcmodel=small).
*
* MAP_32BIT not available on OpenBSD/amd64
*/
#if defined(x86_64_HOST_ARCH) && defined(MAP_32BIT)
#define TRY_MAP_32BIT MAP_32BIT
#else
#define TRY_MAP_32BIT 0
#endif
/*
* Due to the small memory model (see above), on x86_64 we have to map
* all our non-PIC object files into the low 2Gb of the address space
* (why 2Gb and not 4Gb? Because all addresses must be reachable
* using a 32-bit signed PC-relative offset). On Linux we can do this
* using the MAP_32BIT flag to mmap(), however on other OSs
* (e.g. *BSD, see #2063, and also on Linux inside Xen, see #2512), we
* can't do this. So on these systems, we have to pick a base address
* in the low 2Gb of the address space and try to allocate memory from
* there.
*
* We pick a default address based on the OS, but also make this
* configurable via an RTS flag (+RTS -xm)
*/
#if !defined(ALWAYS_PIC) && defined(x86_64_HOST_ARCH)
#if defined(MAP_32BIT)
// Try to use MAP_32BIT
#define MMAP_32BIT_BASE_DEFAULT 0
#else
// A guess: 1Gb.
#define MMAP_32BIT_BASE_DEFAULT 0x40000000
#endif
static void *mmap_32bit_base = (void *)MMAP_32BIT_BASE_DEFAULT;
#endif
/* MAP_ANONYMOUS is MAP_ANON on some systems, e.g. OpenBSD */
#if !defined(MAP_ANONYMOUS) && defined(MAP_ANON)
#define MAP_ANONYMOUS MAP_ANON
#endif
/* -----------------------------------------------------------------------------
* Built-in symbols from the RTS
*/
typedef struct _RtsSymbolVal {
char *lbl;
void *addr;
} RtsSymbolVal;
#define Maybe_Stable_Names SymI_HasProto(stg_mkWeakzh) \
SymI_HasProto(stg_mkWeakForeignEnvzh) \
SymI_HasProto(stg_makeStableNamezh) \
SymI_HasProto(stg_finalizzeWeakzh)
#if !defined (mingw32_HOST_OS)
#define RTS_POSIX_ONLY_SYMBOLS \
SymI_HasProto(__hscore_get_saved_termios) \
SymI_HasProto(__hscore_set_saved_termios) \
SymI_HasProto(shutdownHaskellAndSignal) \
SymI_HasProto(lockFile) \
SymI_HasProto(unlockFile) \
SymI_HasProto(signal_handlers) \
SymI_HasProto(stg_sig_install) \
SymI_HasProto(rtsTimerSignal) \
SymI_HasProto(atexit) \
SymI_NeedsProto(nocldstop)
#endif
#if defined (cygwin32_HOST_OS)
#define RTS_MINGW_ONLY_SYMBOLS /**/
/* Don't have the ability to read import libs / archives, so
* we have to stupidly list a lot of what libcygwin.a
* exports; sigh.
*/
#define RTS_CYGWIN_ONLY_SYMBOLS \
SymI_HasProto(regfree) \
SymI_HasProto(regexec) \
SymI_HasProto(regerror) \
SymI_HasProto(regcomp) \
SymI_HasProto(__errno) \
SymI_HasProto(access) \
SymI_HasProto(chmod) \
SymI_HasProto(chdir) \
SymI_HasProto(close) \
SymI_HasProto(creat) \
SymI_HasProto(dup) \
SymI_HasProto(dup2) \
SymI_HasProto(fstat) \
SymI_HasProto(fcntl) \
SymI_HasProto(getcwd) \
SymI_HasProto(getenv) \
SymI_HasProto(lseek) \
SymI_HasProto(open) \
SymI_HasProto(fpathconf) \
SymI_HasProto(pathconf) \
SymI_HasProto(stat) \
SymI_HasProto(pow) \
SymI_HasProto(tanh) \
SymI_HasProto(cosh) \
SymI_HasProto(sinh) \
SymI_HasProto(atan) \
SymI_HasProto(acos) \
SymI_HasProto(asin) \
SymI_HasProto(tan) \
SymI_HasProto(cos) \
SymI_HasProto(sin) \
SymI_HasProto(exp) \
SymI_HasProto(log) \
SymI_HasProto(sqrt) \
SymI_HasProto(localtime_r) \
SymI_HasProto(gmtime_r) \
SymI_HasProto(mktime) \
SymI_NeedsProto(_imp___tzname) \
SymI_HasProto(gettimeofday) \
SymI_HasProto(timezone) \
SymI_HasProto(tcgetattr) \
SymI_HasProto(tcsetattr) \
SymI_HasProto(memcpy) \
SymI_HasProto(memmove) \
SymI_HasProto(realloc) \
SymI_HasProto(malloc) \
SymI_HasProto(free) \
SymI_HasProto(fork) \
SymI_HasProto(lstat) \
SymI_HasProto(isatty) \
SymI_HasProto(mkdir) \
SymI_HasProto(opendir) \
SymI_HasProto(readdir) \
SymI_HasProto(rewinddir) \
SymI_HasProto(closedir) \
SymI_HasProto(link) \
SymI_HasProto(mkfifo) \
SymI_HasProto(pipe) \
SymI_HasProto(read) \
SymI_HasProto(rename) \
SymI_HasProto(rmdir) \
SymI_HasProto(select) \
SymI_HasProto(system) \
SymI_HasProto(write) \
SymI_HasProto(strcmp) \
SymI_HasProto(strcpy) \
SymI_HasProto(strncpy) \
SymI_HasProto(strerror) \
SymI_HasProto(sigaddset) \
SymI_HasProto(sigemptyset) \
SymI_HasProto(sigprocmask) \
SymI_HasProto(umask) \
SymI_HasProto(uname) \
SymI_HasProto(unlink) \
SymI_HasProto(utime) \
SymI_HasProto(waitpid)
#elif !defined(mingw32_HOST_OS)
#define RTS_MINGW_ONLY_SYMBOLS /**/
#define RTS_CYGWIN_ONLY_SYMBOLS /**/
#else /* defined(mingw32_HOST_OS) */
#define RTS_POSIX_ONLY_SYMBOLS /**/
#define RTS_CYGWIN_ONLY_SYMBOLS /**/
#if HAVE_GETTIMEOFDAY
#define RTS_MINGW_GETTIMEOFDAY_SYM SymI_NeedsProto(gettimeofday)
#else
#define RTS_MINGW_GETTIMEOFDAY_SYM /**/
#endif
#if HAVE___MINGW_VFPRINTF
#define RTS___MINGW_VFPRINTF_SYM SymI_HasProto(__mingw_vfprintf)
#else
#define RTS___MINGW_VFPRINTF_SYM /**/
#endif
/* These are statically linked from the mingw libraries into the ghc
executable, so we have to employ this hack. */
#define RTS_MINGW_ONLY_SYMBOLS \
SymI_HasProto(stg_asyncReadzh) \
SymI_HasProto(stg_asyncWritezh) \
SymI_HasProto(stg_asyncDoProczh) \
SymI_HasProto(getWin32ProgArgv) \
SymI_HasProto(setWin32ProgArgv) \
SymI_HasProto(memset) \
SymI_HasProto(inet_ntoa) \
SymI_HasProto(inet_addr) \
SymI_HasProto(htonl) \
SymI_HasProto(recvfrom) \
SymI_HasProto(listen) \
SymI_HasProto(bind) \
SymI_HasProto(shutdown) \
SymI_HasProto(connect) \
SymI_HasProto(htons) \
SymI_HasProto(ntohs) \
SymI_HasProto(getservbyname) \
SymI_HasProto(getservbyport) \
SymI_HasProto(getprotobynumber) \
SymI_HasProto(getprotobyname) \
SymI_HasProto(gethostbyname) \
SymI_HasProto(gethostbyaddr) \
SymI_HasProto(gethostname) \
SymI_HasProto(strcpy) \
SymI_HasProto(strncpy) \
SymI_HasProto(abort) \
SymI_NeedsProto(_alloca) \
SymI_HasProto(isxdigit) \
SymI_HasProto(isupper) \
SymI_HasProto(ispunct) \
SymI_HasProto(islower) \
SymI_HasProto(isspace) \
SymI_HasProto(isprint) \
SymI_HasProto(isdigit) \
SymI_HasProto(iscntrl) \
SymI_HasProto(isalpha) \
SymI_HasProto(isalnum) \
SymI_HasProto(isascii) \
RTS___MINGW_VFPRINTF_SYM \
SymI_HasProto(strcmp) \
SymI_HasProto(memmove) \
SymI_HasProto(realloc) \
SymI_HasProto(malloc) \
SymI_HasProto(pow) \
SymI_HasProto(tanh) \
SymI_HasProto(cosh) \
SymI_HasProto(sinh) \
SymI_HasProto(atan) \
SymI_HasProto(acos) \
SymI_HasProto(asin) \
SymI_HasProto(tan) \
SymI_HasProto(cos) \
SymI_HasProto(sin) \
SymI_HasProto(exp) \
SymI_HasProto(log) \
SymI_HasProto(sqrt) \
SymI_HasProto(powf) \
SymI_HasProto(tanhf) \
SymI_HasProto(coshf) \
SymI_HasProto(sinhf) \
SymI_HasProto(atanf) \
SymI_HasProto(acosf) \
SymI_HasProto(asinf) \
SymI_HasProto(tanf) \
SymI_HasProto(cosf) \
SymI_HasProto(sinf) \
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) \
SymI_NeedsProto(mktime) \
SymI_NeedsProto(_imp___timezone) \
SymI_NeedsProto(_imp___tzname) \
SymI_NeedsProto(_imp__tzname) \
SymI_NeedsProto(_imp___iob) \
SymI_NeedsProto(_imp___osver) \
SymI_NeedsProto(localtime) \
SymI_NeedsProto(gmtime) \
SymI_NeedsProto(opendir) \
SymI_NeedsProto(readdir) \
SymI_NeedsProto(rewinddir) \
SymI_NeedsProto(_imp____mb_cur_max) \
SymI_NeedsProto(_imp___pctype) \
SymI_NeedsProto(__chkstk) \
RTS_MINGW_GETTIMEOFDAY_SYM \
SymI_NeedsProto(closedir)
#endif
#if defined(darwin_HOST_OS) && HAVE_PRINTF_LDBLSTUB
#define RTS_DARWIN_ONLY_SYMBOLS \
SymI_NeedsProto(asprintf$LDBLStub) \
SymI_NeedsProto(err$LDBLStub) \
SymI_NeedsProto(errc$LDBLStub) \
SymI_NeedsProto(errx$LDBLStub) \
SymI_NeedsProto(fprintf$LDBLStub) \
SymI_NeedsProto(fscanf$LDBLStub) \
SymI_NeedsProto(fwprintf$LDBLStub) \
SymI_NeedsProto(fwscanf$LDBLStub) \
SymI_NeedsProto(printf$LDBLStub) \
SymI_NeedsProto(scanf$LDBLStub) \
SymI_NeedsProto(snprintf$LDBLStub) \
SymI_NeedsProto(sprintf$LDBLStub) \
SymI_NeedsProto(sscanf$LDBLStub) \
SymI_NeedsProto(strtold$LDBLStub) \
SymI_NeedsProto(swprintf$LDBLStub) \
SymI_NeedsProto(swscanf$LDBLStub) \
SymI_NeedsProto(syslog$LDBLStub) \
SymI_NeedsProto(vasprintf$LDBLStub) \
SymI_NeedsProto(verr$LDBLStub) \
SymI_NeedsProto(verrc$LDBLStub) \
SymI_NeedsProto(verrx$LDBLStub) \
SymI_NeedsProto(vfprintf$LDBLStub) \
SymI_NeedsProto(vfscanf$LDBLStub) \
SymI_NeedsProto(vfwprintf$LDBLStub) \
SymI_NeedsProto(vfwscanf$LDBLStub) \
SymI_NeedsProto(vprintf$LDBLStub) \
SymI_NeedsProto(vscanf$LDBLStub) \
SymI_NeedsProto(vsnprintf$LDBLStub) \
SymI_NeedsProto(vsprintf$LDBLStub) \
SymI_NeedsProto(vsscanf$LDBLStub) \
SymI_NeedsProto(vswprintf$LDBLStub) \
SymI_NeedsProto(vswscanf$LDBLStub) \
SymI_NeedsProto(vsyslog$LDBLStub) \
SymI_NeedsProto(vwarn$LDBLStub) \
SymI_NeedsProto(vwarnc$LDBLStub) \
SymI_NeedsProto(vwarnx$LDBLStub) \
SymI_NeedsProto(vwprintf$LDBLStub) \
SymI_NeedsProto(vwscanf$LDBLStub) \
SymI_NeedsProto(warn$LDBLStub) \
SymI_NeedsProto(warnc$LDBLStub) \
SymI_NeedsProto(warnx$LDBLStub) \
SymI_NeedsProto(wcstold$LDBLStub) \
SymI_NeedsProto(wprintf$LDBLStub) \
SymI_NeedsProto(wscanf$LDBLStub)
#else
#define RTS_DARWIN_ONLY_SYMBOLS
#endif
#ifndef SMP
# define MAIN_CAP_SYM SymI_HasProto(MainCapability)
#else
# define MAIN_CAP_SYM
#endif
#if !defined(mingw32_HOST_OS)
#define RTS_USER_SIGNALS_SYMBOLS \
SymI_HasProto(setIOManagerControlFd) \
SymI_HasProto(setIOManagerWakeupFd) \
SymI_HasProto(ioManagerWakeup) \
SymI_HasProto(blockUserSignals) \
SymI_HasProto(unblockUserSignals)
#else
#define RTS_USER_SIGNALS_SYMBOLS \
SymI_HasProto(ioManagerWakeup) \
SymI_HasProto(sendIOManagerEvent) \
SymI_HasProto(readIOManagerEvent) \
SymI_HasProto(getIOManagerEvent) \
SymI_HasProto(console_handler)
#endif
#define RTS_LIBFFI_SYMBOLS \
SymE_NeedsProto(ffi_prep_cif) \
SymE_NeedsProto(ffi_call) \
SymE_NeedsProto(ffi_type_void) \
SymE_NeedsProto(ffi_type_float) \
SymE_NeedsProto(ffi_type_double) \
SymE_NeedsProto(ffi_type_sint64) \
SymE_NeedsProto(ffi_type_uint64) \
SymE_NeedsProto(ffi_type_sint32) \
SymE_NeedsProto(ffi_type_uint32) \
SymE_NeedsProto(ffi_type_sint16) \
SymE_NeedsProto(ffi_type_uint16) \
SymE_NeedsProto(ffi_type_sint8) \
SymE_NeedsProto(ffi_type_uint8) \
SymE_NeedsProto(ffi_type_pointer)
#ifdef TABLES_NEXT_TO_CODE
#define RTS_RET_SYMBOLS /* nothing */
#else
#define RTS_RET_SYMBOLS \
SymI_HasProto(stg_enter_ret) \
SymI_HasProto(stg_gc_fun_ret) \
SymI_HasProto(stg_ap_v_ret) \
SymI_HasProto(stg_ap_f_ret) \
SymI_HasProto(stg_ap_d_ret) \
SymI_HasProto(stg_ap_l_ret) \
SymI_HasProto(stg_ap_n_ret) \
SymI_HasProto(stg_ap_p_ret) \
SymI_HasProto(stg_ap_pv_ret) \
SymI_HasProto(stg_ap_pp_ret) \
SymI_HasProto(stg_ap_ppv_ret) \
SymI_HasProto(stg_ap_ppp_ret) \
SymI_HasProto(stg_ap_pppv_ret) \
SymI_HasProto(stg_ap_pppp_ret) \
SymI_HasProto(stg_ap_ppppp_ret) \
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) \
SymI_HasProto(__stg_gc_enter_1) \
SymI_HasProto(stg_gc_noregs) \
SymI_HasProto(stg_gc_unpt_r1_info) \
SymI_HasProto(stg_gc_unpt_r1) \
SymI_HasProto(stg_gc_unbx_r1_info) \
SymI_HasProto(stg_gc_unbx_r1) \
SymI_HasProto(stg_gc_f1_info) \
SymI_HasProto(stg_gc_f1) \
SymI_HasProto(stg_gc_d1_info) \
SymI_HasProto(stg_gc_d1) \
SymI_HasProto(stg_gc_l1_info) \
SymI_HasProto(stg_gc_l1) \
SymI_HasProto(__stg_gc_fun) \
SymI_HasProto(stg_gc_fun_info) \
SymI_HasProto(stg_gc_gen) \
SymI_HasProto(stg_gc_gen_info) \
SymI_HasProto(stg_gc_gen_hp) \
SymI_HasProto(stg_gc_ut) \
SymI_HasProto(stg_gen_yield) \
SymI_HasProto(stg_yield_noregs) \
SymI_HasProto(stg_yield_to_interpreter) \
SymI_HasProto(stg_gen_block) \
SymI_HasProto(stg_block_noregs) \
SymI_HasProto(stg_block_1) \
SymI_HasProto(stg_block_takemvar) \
SymI_HasProto(stg_block_putmvar) \
MAIN_CAP_SYM \
SymI_HasProto(MallocFailHook) \
SymI_HasProto(OnExitHook) \
SymI_HasProto(OutOfHeapHook) \
SymI_HasProto(StackOverflowHook) \
SymI_HasProto(addDLL) \
SymI_HasProto(__int_encodeDouble) \
SymI_HasProto(__word_encodeDouble) \
SymI_HasProto(__2Int_encodeDouble) \
SymI_HasProto(__int_encodeFloat) \
SymI_HasProto(__word_encodeFloat) \
SymI_HasProto(stg_atomicallyzh) \
SymI_HasProto(barf) \
SymI_HasProto(debugBelch) \
SymI_HasProto(errorBelch) \
SymI_HasProto(sysErrorBelch) \
SymI_HasProto(stg_getMaskingStatezh) \
SymI_HasProto(stg_maskAsyncExceptionszh) \
SymI_HasProto(stg_maskUninterruptiblezh) \
SymI_HasProto(stg_catchzh) \
SymI_HasProto(stg_catchRetryzh) \
SymI_HasProto(stg_catchSTMzh) \
SymI_HasProto(stg_checkzh) \
SymI_HasProto(closure_flags) \
SymI_HasProto(cmp_thread) \
SymI_HasProto(createAdjustor) \
SymI_HasProto(stg_decodeDoublezu2Intzh) \
SymI_HasProto(stg_decodeFloatzuIntzh) \
SymI_HasProto(defaultsHook) \
SymI_HasProto(stg_delayzh) \
SymI_HasProto(stg_deRefWeakzh) \
SymI_HasProto(stg_deRefStablePtrzh) \
SymI_HasProto(dirty_MUT_VAR) \
SymI_HasProto(stg_forkzh) \
SymI_HasProto(stg_forkOnzh) \
SymI_HasProto(forkProcess) \
SymI_HasProto(forkOS_createThread) \
SymI_HasProto(freeHaskellFunctionPtr) \
SymI_HasProto(getOrSetGHCConcSignalSignalHandlerStore) \
SymI_HasProto(getOrSetGHCConcWindowsPendingDelaysStore) \
SymI_HasProto(getOrSetGHCConcWindowsIOManagerThreadStore) \
SymI_HasProto(getOrSetGHCConcWindowsProddingStore) \
SymI_HasProto(getOrSetSystemEventThreadEventManagerStore) \
SymI_HasProto(getOrSetSystemEventThreadIOManagerThreadStore) \
SymI_HasProto(getGCStats) \
SymI_HasProto(genSymZh) \
SymI_HasProto(genericRaise) \
SymI_HasProto(getProgArgv) \
SymI_HasProto(getFullProgArgv) \
SymI_HasProto(getStablePtr) \
SymI_HasProto(hs_init) \
SymI_HasProto(hs_exit) \
SymI_HasProto(hs_set_argv) \
SymI_HasProto(hs_add_root) \
SymI_HasProto(hs_perform_gc) \
SymI_HasProto(hs_free_stable_ptr) \
SymI_HasProto(hs_free_fun_ptr) \
SymI_HasProto(hs_hpc_rootModule) \
SymI_HasProto(hs_hpc_module) \
SymI_HasProto(initLinker) \
SymI_HasProto(stg_unpackClosurezh) \
SymI_HasProto(stg_getApStackValzh) \
SymI_HasProto(stg_getSparkzh) \
SymI_HasProto(stg_numSparkszh) \
SymI_HasProto(stg_isCurrentThreadBoundzh) \
SymI_HasProto(stg_isEmptyMVarzh) \
SymI_HasProto(stg_killThreadzh) \
SymI_HasProto(loadArchive) \
SymI_HasProto(loadObj) \
SymI_HasProto(insertStableSymbol) \
SymI_HasProto(insertSymbol) \
SymI_HasProto(lookupSymbol) \
SymI_HasProto(stg_makeStablePtrzh) \
SymI_HasProto(stg_mkApUpd0zh) \
SymI_HasProto(stg_myThreadIdzh) \
SymI_HasProto(stg_labelThreadzh) \
SymI_HasProto(stg_newArrayzh) \
SymI_HasProto(stg_newArrayArrayzh) \
SymI_HasProto(stg_newBCOzh) \
SymI_HasProto(stg_newByteArrayzh) \
SymI_HasProto_redirect(newCAF, newDynCAF) \
SymI_HasProto(stg_newMVarzh) \
SymI_HasProto(stg_newMutVarzh) \
SymI_HasProto(stg_newTVarzh) \
SymI_HasProto(stg_noDuplicatezh) \
SymI_HasProto(stg_atomicModifyMutVarzh) \
SymI_HasProto(stg_casMutVarzh) \
SymI_HasProto(stg_newPinnedByteArrayzh) \
SymI_HasProto(stg_newAlignedPinnedByteArrayzh) \
SymI_HasProto(newSpark) \
SymI_HasProto(performGC) \
SymI_HasProto(performMajorGC) \
SymI_HasProto(prog_argc) \
SymI_HasProto(prog_argv) \
SymI_HasProto(stg_putMVarzh) \
SymI_HasProto(stg_raisezh) \
SymI_HasProto(stg_raiseIOzh) \
SymI_HasProto(stg_readTVarzh) \
SymI_HasProto(stg_readTVarIOzh) \
SymI_HasProto(resumeThread) \
SymI_HasProto(setNumCapabilities) \
SymI_HasProto(getNumberOfProcessors) \
SymI_HasProto(resolveObjs) \
SymI_HasProto(stg_retryzh) \
SymI_HasProto(rts_apply) \
SymI_HasProto(rts_checkSchedStatus) \
SymI_HasProto(rts_eval) \
SymI_HasProto(rts_evalIO) \
SymI_HasProto(rts_evalLazyIO) \
SymI_HasProto(rts_evalStableIO) \
SymI_HasProto(rts_eval_) \
SymI_HasProto(rts_getBool) \
SymI_HasProto(rts_getChar) \
SymI_HasProto(rts_getDouble) \
SymI_HasProto(rts_getFloat) \
SymI_HasProto(rts_getInt) \
SymI_HasProto(rts_getInt8) \
SymI_HasProto(rts_getInt16) \
SymI_HasProto(rts_getInt32) \
SymI_HasProto(rts_getInt64) \
SymI_HasProto(rts_getPtr) \
SymI_HasProto(rts_getFunPtr) \
SymI_HasProto(rts_getStablePtr) \
SymI_HasProto(rts_getThreadId) \
SymI_HasProto(rts_getWord) \
SymI_HasProto(rts_getWord8) \
SymI_HasProto(rts_getWord16) \
SymI_HasProto(rts_getWord32) \
SymI_HasProto(rts_getWord64) \
SymI_HasProto(rts_lock) \
SymI_HasProto(rts_mkBool) \
SymI_HasProto(rts_mkChar) \
SymI_HasProto(rts_mkDouble) \
SymI_HasProto(rts_mkFloat) \
SymI_HasProto(rts_mkInt) \
SymI_HasProto(rts_mkInt8) \
SymI_HasProto(rts_mkInt16) \
SymI_HasProto(rts_mkInt32) \
SymI_HasProto(rts_mkInt64) \
SymI_HasProto(rts_mkPtr) \
SymI_HasProto(rts_mkFunPtr) \
SymI_HasProto(rts_mkStablePtr) \
SymI_HasProto(rts_mkString) \
SymI_HasProto(rts_mkWord) \
SymI_HasProto(rts_mkWord8) \
SymI_HasProto(rts_mkWord16) \
SymI_HasProto(rts_mkWord32) \
SymI_HasProto(rts_mkWord64) \
SymI_HasProto(rts_unlock) \
SymI_HasProto(rts_unsafeGetMyCapability) \
SymI_HasProto(rtsSupportsBoundThreads) \
SymI_HasProto(rts_isProfiled) \
SymI_HasProto(setProgArgv) \
SymI_HasProto(startupHaskell) \
SymI_HasProto(shutdownHaskell) \
SymI_HasProto(shutdownHaskellAndExit) \
SymI_HasProto(stable_ptr_table) \
SymI_HasProto(stackOverflow) \
SymI_HasProto(stg_CAF_BLACKHOLE_info) \
SymI_HasProto(stg_BLACKHOLE_info) \
SymI_HasProto(__stg_EAGER_BLACKHOLE_info) \
SymI_HasProto(stg_BLOCKING_QUEUE_CLEAN_info) \
SymI_HasProto(stg_BLOCKING_QUEUE_DIRTY_info) \
SymI_HasProto(startTimer) \
SymI_HasProto(stg_MVAR_CLEAN_info) \
SymI_HasProto(stg_MVAR_DIRTY_info) \
SymI_HasProto(stg_IND_STATIC_info) \
SymI_HasProto(stg_ARR_WORDS_info) \
SymI_HasProto(stg_MUT_ARR_PTRS_DIRTY_info) \
SymI_HasProto(stg_MUT_ARR_PTRS_FROZEN_info) \
SymI_HasProto(stg_MUT_ARR_PTRS_FROZEN0_info) \
SymI_HasProto(stg_WEAK_info) \
SymI_HasProto(stg_ap_v_info) \
SymI_HasProto(stg_ap_f_info) \
SymI_HasProto(stg_ap_d_info) \
SymI_HasProto(stg_ap_l_info) \
SymI_HasProto(stg_ap_n_info) \
SymI_HasProto(stg_ap_p_info) \
SymI_HasProto(stg_ap_pv_info) \
SymI_HasProto(stg_ap_pp_info) \
SymI_HasProto(stg_ap_ppv_info) \
SymI_HasProto(stg_ap_ppp_info) \
SymI_HasProto(stg_ap_pppv_info) \
SymI_HasProto(stg_ap_pppp_info) \
SymI_HasProto(stg_ap_ppppp_info) \
SymI_HasProto(stg_ap_pppppp_info) \
SymI_HasProto(stg_ap_0_fast) \
SymI_HasProto(stg_ap_v_fast) \
SymI_HasProto(stg_ap_f_fast) \
SymI_HasProto(stg_ap_d_fast) \
SymI_HasProto(stg_ap_l_fast) \
SymI_HasProto(stg_ap_n_fast) \
SymI_HasProto(stg_ap_p_fast) \
SymI_HasProto(stg_ap_pv_fast) \
SymI_HasProto(stg_ap_pp_fast) \
SymI_HasProto(stg_ap_ppv_fast) \
SymI_HasProto(stg_ap_ppp_fast) \
SymI_HasProto(stg_ap_pppv_fast) \
SymI_HasProto(stg_ap_pppp_fast) \
SymI_HasProto(stg_ap_ppppp_fast) \
SymI_HasProto(stg_ap_pppppp_fast) \
SymI_HasProto(stg_ap_1_upd_info) \
SymI_HasProto(stg_ap_2_upd_info) \
SymI_HasProto(stg_ap_3_upd_info) \
SymI_HasProto(stg_ap_4_upd_info) \
SymI_HasProto(stg_ap_5_upd_info) \
SymI_HasProto(stg_ap_6_upd_info) \
SymI_HasProto(stg_ap_7_upd_info) \
SymI_HasProto(stg_exit) \
SymI_HasProto(stg_sel_0_upd_info) \
SymI_HasProto(stg_sel_10_upd_info) \
SymI_HasProto(stg_sel_11_upd_info) \
SymI_HasProto(stg_sel_12_upd_info) \
SymI_HasProto(stg_sel_13_upd_info) \
SymI_HasProto(stg_sel_14_upd_info) \