can't make luajit in 3.6
Alex Hornung
alex at alexhornung.com
Fri Feb 14 00:07:06 PST 2014
On 2014-02-14 08:01, lhmwzy wrote:
> Then the patch is?
The right solution is probably to not randomize the mmap offset when a
hint address is provided in vm_map_hint(). If I have time, I'll commit a
fix later today or tomorrow, but that won't make it into 3.6. So if you
want to use it on 3.6, you'll have to use MAP_TRYFIXED in the
MMAP_FLAGS.
HTH,
Alex
>
> 2014-02-14 15:48 GMT+08:00 Alex Hornung <alex at alexhornung.com>:
>
>> In the relevant CALL_MMAP in src/lj_alloc.c, luajit tries to mmap at
>> a specific address (MMAP_REGION_START). It then checks whether the
>> address returned by mmap() is between MMAP_REGION_START and
>> MMAP_REGION_END. If it isn't, it fails.
>>
>> However, our mmap() will not try to actually allocate at the passed
>> address without MAP_TRYFIXED (for right or wrong - haven't looked at
>> our mmap yet). Adding MAP_TRYFIXED to the MMAP_FLAGS solves the
>> problem and luajit starts up.
>>
>> HTH,
>> Alex
>>
>> On 2014-02-14 07:17, lhmwzy wrote:
>>
>> OK,here is the ktrace result
>>
>> # ktrace ./luajit
>> ./luajit: cannot create state: not enough memory
>> # kdump
>> 762 ktrace RET ktrace 0
>> 762 ktrace CALL
>> execve(0x7ffffffff987,0x7ffffffff738,0x7ffffffff748)
>> 762 ktrace NAMI "./luajit"
>> 762 ktrace NAMI "/usr/libexec/ld-elf.so.2"
>> 762 luajit RET execve 0
>> 762 luajit CALL
>> __sysctl(0x7fffffffeed0,0x2,0x8008bdb60,0x7fffffffeec8,0,0)
>> 762 luajit RET __sysctl 0
>> 762 luajit CALL
>>
> mmap(0,0x8000,PROT_READ|PROT_WRITE,MAP_PRIVATE|MAP_ANON,0xffffffff,0,0)
>> 762 luajit RET mmap 7057408/0x6bb000
>> 762 luajit CALL issetugid
>> 762 luajit RET issetugid 0
>> 762 luajit CALL lstat(0x8006c0000,0x7fffffffede0)
>> 762 luajit NAMI "/etc"
>> 762 luajit RET lstat 0
>> 762 luajit CALL lstat(0x8006c0000,0x7fffffffede0)
>> 762 luajit NAMI "/etc/libmap.conf"
>> 762 luajit RET lstat -1 errno 2 No such file or directory
>> 762 luajit CALL open(0x8006c0000,O_CLOEXEC,<unused>0)
>> 762 luajit NAMI "/etc/libmap.conf"
>> 762 luajit RET open -1 errno 2 No such file or directory
>> 762 luajit CALL access(0x8006c0000,F_OK)
>> 762 luajit NAMI "/usr/lib/gcc47/libm.so.4"
>> 762 luajit RET access -1 errno 2 No such file or directory
>> 762 luajit CALL open(0x8006b2906,O_CLOEXEC,<unused>0x8)
>> 762 luajit NAMI "/var/run/ld-elf.so.hints"
>> 762 luajit RET open 3
>> 762 luajit CALL read(0x3,0x7fffffffec50,0x80)
>> 762 luajit GIO fd 3 read 128 bytes
>> "Ehnt^AM^@('
>>
>> "
>> 762 luajit RET read 128/0x80
>> 762 luajit CALL lseek(0x3,0,0x80,SEEK_SET)
>> 762 luajit RET lseek 128/0x80
>> 762 luajit CALL read(0x3,0x8006bc040,0x28)
>> 762 luajit GIO fd 3 read 40 bytes
>> "/usr/lib:/usr/lib/compat:/usr/local/lib"
>>
>> 762 luajit RET read 40/0x28
>> 762 luajit CALL close(0x3)
>> 762 luajit RET close 0
>> 762 luajit CALL access(0x8006c0000,F_OK)
>> 762 luajit NAMI "/usr/lib/libm.so.4"
>> 762 luajit RET access 0
>> 762 luajit CALL open(0x8006bf040,O_CLOEXEC,<unused>0x8)
>> 762 luajit NAMI "/usr/lib/libm.so.4"
>> 762 luajit RET open 3
>> 762 luajit CALL fstat(0x3,0x7fffffffee60)
>> 762 luajit RET fstat 0
>> 762 luajit CALL mmap(0,0x1000,PROT_READ,MAP_PRIVATE,0x3,0,0)
>> 762 luajit RET mmap 7090176/0x6c3000
>> 762 luajit CALL
>>
> mmap(0,0x22a000,PROT_NONE,MAP_PRIVATE|MAP_ANON|MAP_NOCORE,0xffffffff,0,0)
>> 762 luajit RET mmap 9183232/0x8c2000
>> 762 luajit CALL
>>
> mmap(0x8008c2000,0x2a000,PROT_READ|PROT_EXEC,MAP_PRIVATE|MAP_FIXED|MAP_NOCORE,0x3,0,0)
>> 762 luajit RET mmap 9183232/0x8c2000
>> 762 luajit CALL
>>
> mmap(0x800aeb000,0x1000,PROT_READ|PROT_WRITE,MAP_PRIVATE|MAP_FIXED,0x3,0,0x29000)
>> 762 luajit RET mmap 11448320/0xaeb000
>> 762 luajit CALL munmap(0x8006c3000,0x1000)
>> 762 luajit RET munmap 0
>> 762 luajit CALL close(0x3)
>> 762 luajit RET close 0
>> 762 luajit CALL access(0x8006c0000,F_OK)
>> 762 luajit NAMI "/usr/lib/gcc47/libc.so.8"
>> 762 luajit RET access -1 errno 2 No such file or directory
>> 762 luajit CALL access(0x8006c0000,F_OK)
>> 762 luajit NAMI "/usr/lib/libc.so.8"
>> 762 luajit RET access 0
>> 762 luajit CALL open(0x8006bf080,O_CLOEXEC,<unused>0x8)
>> 762 luajit NAMI "/usr/lib/libc.so.8"
>> 762 luajit RET open 3
>> 762 luajit CALL fstat(0x3,0x7fffffffee60)
>> 762 luajit RET fstat 0
>> 762 luajit CALL mmap(0,0x1000,PROT_READ,MAP_PRIVATE,0x3,0,0)
>> 762 luajit RET mmap 7090176/0x6c3000
>> 762 luajit CALL
>>
> mmap(0,0x34e000,PROT_NONE,MAP_PRIVATE|MAP_ANON|MAP_NOCORE,0xffffffff,0,0)
>> 762 luajit RET mmap 11452416/0xaec000
>> 762 luajit CALL
>>
> mmap(0x800aec000,0x123000,PROT_READ|PROT_EXEC,MAP_PRIVATE|MAP_FIXED|MAP_NOCORE,0x3,0,0)
>> 762 luajit RET mmap 11452416/0xaec000
>> 762 luajit CALL
>>
> mmap(0x800e0f000,0xc000,PROT_READ|PROT_WRITE,MAP_PRIVATE|MAP_FIXED,0x3,0,0x123000)
>> 762 luajit RET mmap 14741504/0xe0f000
>> 762 luajit CALL
>>
> mmap(0x800e1b000,0x1f000,PROT_READ|PROT_WRITE,MAP_PRIVATE|MAP_FIXED|MAP_ANON,0xffffffff,0,0)
>> 762 luajit RET mmap 14790656/0xe1b000
>> 762 luajit CALL munmap(0x8006c3000,0x1000)
>> 762 luajit RET munmap 0
>> 762 luajit CALL close(0x3)
>> 762 luajit RET close 0
>> 762 luajit CALL
>>
> mmap(0,0x19000,PROT_READ|PROT_WRITE,MAP_PRIVATE|MAP_ANON,0xffffffff,0x800000000,0)
>> 762 luajit RET mmap 7090176/0x6c3000
>> 762 luajit CALL sigprocmask(SIG_BLOCK,0x8008bda10,0x7ffffffff770)
>> 762 luajit RET sigprocmask 0
>> 762 luajit CALL sigprocmask(SIG_SETMASK,0x8008bda30,0)
>> 762 luajit RET sigprocmask 0
>> 762 luajit CALL set_tls_area(0,0x7ffffffff850,0x10)
>> 762 luajit RET set_tls_area 0
>> 762 luajit CALL sigprocmask(SIG_BLOCK,0x8008bda10,0x7ffffffff7a0)
>> 762 luajit RET sigprocmask 0
>> 762 luajit CALL sigprocmask(SIG_SETMASK,0x8008bda30,0)
>> 762 luajit RET sigprocmask 0
>> 762 luajit CALL issetugid
>> 762 luajit RET issetugid 0
>> 762 luajit CALL
>> open(0x800be5388,O_RDONLY,<unused>0xfffffffffffffff7)
>> 762 luajit NAMI "/dev/urandom"
>> 762 luajit RET open 3
>> 762 luajit CALL read(0x3,0x800e1bea0,0x40)
>> 762 luajit GIO fd 3 read 64 bytes
>> "EuIM^QM-FNM^AM-tM-oII_M-5KM^NmKM-BM-~i{M-7^VM-;M-7KM-{ M^?M^EL
>> M-:M^SM^@j$M-oM-|M-/s9s$M-`Iv+^UM-XM-"M^IM^^M-FM^SM^_M-PM-AM^G
>> M- at M^LBM-oM^KM^F"
>>
>> 762 luajit RET read 64/0x40
>> 762 luajit CALL close(0x3)
>> 762 luajit RET close 0
>> 762 luajit CALL sigprocmask(SIG_BLOCK,0x8008bda10,0x7ffffffff760)
>> 762 luajit RET sigprocmask 0
>> 762 luajit CALL sigprocmask(SIG_SETMASK,0x8008bda30,0)
>> 762 luajit RET sigprocmask 0
>> 762 luajit CALL sigprocmask(SIG_BLOCK,0x8008bda10,0x7ffffffff760)
>> 762 luajit RET sigprocmask 0
>> 762 luajit CALL sigprocmask(SIG_SETMASK,0x8008bda30,0)
>> 762 luajit RET sigprocmask 0
>> 762 luajit CALL sigprocmask(SIG_BLOCK,0x8008bda10,0x7ffffffff760)
>> 762 luajit RET sigprocmask 0
>> 762 luajit CALL sigprocmask(SIG_SETMASK,0x8008bda30,0)
>> 762 luajit RET sigprocmask 0
>> 762 luajit CALL setrlimit(RLIMIT_DATA,0x7ffffffff800)
>> 762 luajit RET setrlimit 0
>> 762 luajit CALL
>>
> mmap(0x10000000,0x20000,PROT_READ|PROT_WRITE,MAP_PRIVATE|MAP_ANON,0xffffffff,0,0)
>> 762 luajit RET mmap 7192576/0x6dc000
>> 762 luajit CALL munmap(0x8006dc000,0x20000)
>> 762 luajit RET munmap 0
>> 762 luajit CALL
>>
> mmap(0x10000000,0x20000,PROT_READ|PROT_WRITE,MAP_PRIVATE|MAP_ANON,0xffffffff,0,0)
>> 762 luajit RET mmap 7192576/0x6dc000
>> 762 luajit CALL munmap(0x8006dc000,0x20000)
>> 762 luajit RET munmap 0
>> 762 luajit CALL write(0x2,0x7ffffffff120,0xa)
>> 762 luajit GIO fd 2 wrote 10 bytes
>> "./luajit: "
>> 762 luajit RET write 10/0xa
>> 762 luajit CALL write(0x2,0x7ffffffff120,0x27)
>> 762 luajit GIO fd 2 wrote 39 bytes
>> "cannot create state: not enough memory
>> "
>> 762 luajit RET write 39/0x27
>> 762 luajit CALL sigprocmask(SIG_BLOCK,0x8008bda10,0x7ffffffff710)
>> 762 luajit RET sigprocmask 0
>> 762 luajit CALL sigprocmask(SIG_SETMASK,0x8008bda30,0)
>> 762 luajit RET sigprocmask 0
>> 762 luajit CALL sigprocmask(SIG_BLOCK,0x8008bda10,0x7ffffffff6b0)
>> 762 luajit RET sigprocmask 0
>> 762 luajit CALL sigprocmask(SIG_SETMASK,0x8008bda30,0)
>> 762 luajit RET sigprocmask 0
>> 762 luajit CALL sigprocmask(SIG_BLOCK,0x8008bda10,0x7ffffffff6b0)
>> 762 luajit RET sigprocmask 0
>> 762 luajit CALL sigprocmask(SIG_SETMASK,0x8008bda30,0)
>> 762 luajit RET sigprocmask 0
>> 762 luajit CALL sigprocmask(SIG_BLOCK,0x8008bda10,0x7ffffffff6b0)
>> 762 luajit RET sigprocmask 0
>> 762 luajit CALL sigprocmask(SIG_SETMASK,0x8008bda30,0)
>> 762 luajit RET sigprocmask 0
>> 762 luajit CALL exit(0x1)
>> #
>>
>> 2014-02-14 15:13 GMT+08:00 lhmwzy <lhmwzy at gmail.com>:
>>
>> OK,I find the reason.
>>
>> ktrace must be config in kernel
>> I will build the custom kernel and try again.
>>
>> 2014-02-14 15:06 GMT+08:00 lhmwzy <lhmwzy at gmail.com>:
>>
>> I'd like to provide,but how to
>>
>> #cd cd LuaJIT-2.0.2.patch/src
>> #ktrace luajit
>> ktrace: ktrace.out: Function not implemented
>>
>> 2014-02-14 14:50 GMT+08:00 Alex Hornung <alex at alexhornung.com>:
>>
>> Can you provide a ktrace(1) output? Just ktrace luajit, and then
>> kdump and get the output.
>>
>> Cheers,
>> Alex
>>
>> On 14/02/14 01:22, lhmwzy wrote:
>>
>> I have tried as fllowing
>>
>> diff -Nur LuaJIT-2.0.2/src/lj_alloc.c
>> LuaJIT-2.0.2.patch/src/lj_alloc.c
>> --- LuaJIT-2.0.2/src/lj_alloc.c 2013-06-03 19:00:00.000000000 +0000
>> +++ LuaJIT-2.0.2.patch/src/lj_alloc.c 2014-02-14 07:19:53.948397000
>> +0000
>> @@ -188,7 +188,7 @@
>> return ptr;
>> }
>>
>> -#elif LJ_TARGET_OSX || defined(__FreeBSD__) ||
>> defined(__FreeBSD_kernel__) || defined(__OpenBSD__) ||
>> defined(__sun__)
>> +#elif LJ_TARGET_OSX || defined(__FreeBSD__) ||
>> defined(__FreeBSD_kernel__) || defined(__OpenBSD__) ||
>> defined(__sun__)||defined(__DragonFly__)
>>
>> /* OSX and FreeBSD mmap() use a naive first-fit linear search.
>> ** That's perfect for us. Except that -pagezero_size must be set
>> for OSX,
>> @@ -202,7 +202,7 @@
>> #endif
>> #define MMAP_REGION_END ((uintptr_t)0x80000000)
>>
>> -#if defined(__FreeBSD__) || defined(__FreeBSD_kernel__)
>> +#if defined(__FreeBSD__) ||
>> defined(__FreeBSD_kernel__)||defined(__DragonFly__)
>> #include <sys/resource.h>
>> #endif
>>
>> @@ -212,7 +212,7 @@
>> /* Hint for next allocation. Doesn't need to be thread-safe. */
>> static uintptr_t alloc_hint = MMAP_REGION_START;
>> int retry = 0;
>> -#if defined(__FreeBSD__) || defined(__FreeBSD_kernel__)
>> +#if defined(__FreeBSD__) ||
>> defined(__FreeBSD_kernel__)||defined(__DragonFly__)
>> static int rlimit_modified = 0;
>> if (LJ_UNLIKELY(rlimit_modified == 0)) {
>> struct rlimit rlim;
>> diff -Nur LuaJIT-2.0.2/src/lj_arch.h
>> LuaJIT-2.0.2.patch/src/lj_arch.h
>> --- LuaJIT-2.0.2/src/lj_arch.h 2013-06-03 19:00:00.000000000 +0000
>> +++ LuaJIT-2.0.2.patch/src/lj_arch.h 2014-02-14 07:21:18.628483000
>> +0000
>> @@ -67,7 +67,7 @@
>> #elif defined(__MACH__) && defined(__APPLE__)
>> #define LUAJIT_OS LUAJIT_OS_OSX
>> #elif defined(__FreeBSD__) || defined(__FreeBSD_kernel__) ||
>> - defined(__NetBSD__) || defined(__OpenBSD__)
>> + defined(__NetBSD__) ||
>> defined(__OpenBSD__)||defined(__DragonFly__)
>> #define LUAJIT_OS LUAJIT_OS_BSD
>> #elif (defined(__sun__) && defined(__svr4__)) ||
>> defined(__CYGWIN__)
>> #define LUAJIT_OS LUAJIT_OS_POSIX
>>
>> cd LuaJIT-2.0.2.patch/
>> cd src
>> /usr/local/bin/make
>> HOSTCC host/minilua.o
>> HOSTLINK host/minilua
>> DYNASM host/buildvm_arch.h
>> HOSTCC host/buildvm.o
>> HOSTCC host/buildvm_asm.o
>> HOSTCC host/buildvm_peobj.o
>> HOSTCC host/buildvm_lib.o
>> HOSTCC host/buildvm_fold.o
>> HOSTLINK host/buildvm
>> BUILDVM lj_vm.s
>> ASM lj_vm.o
>> CC lj_gc.o
>> BUILDVM lj_ffdef.h
>> CC lj_err.o
>> CC lj_char.o
>> BUILDVM lj_bcdef.h
>> CC lj_bc.o
>> CC lj_obj.o
>> CC lj_str.o
>> CC lj_tab.o
>> CC lj_func.o
>> CC lj_udata.o
>> CC lj_meta.o
>> CC lj_debug.o
>> CC lj_state.o
>> CC lj_dispatch.o
>> CC lj_vmevent.o
>> CC lj_vmmath.o
>> CC lj_strscan.o
>> CC lj_api.o
>> CC lj_lex.o
>> CC lj_parse.o
>> CC lj_bcread.o
>> CC lj_bcwrite.o
>> CC lj_load.o
>> CC lj_ir.o
>> CC lj_opt_mem.o
>> BUILDVM lj_folddef.h
>> CC lj_opt_fold.o
>> CC lj_opt_narrow.o
>> CC lj_opt_dce.o
>> CC lj_opt_loop.o
>> CC lj_opt_split.o
>> CC lj_opt_sink.o
>> CC lj_mcode.o
>> CC lj_snap.o
>> CC lj_record.o
>> CC lj_crecord.o
>> BUILDVM lj_recdef.h
>> CC lj_ffrecord.o
>> CC lj_asm.o
>> CC lj_trace.o
>> CC lj_gdbjit.o
>> CC lj_ctype.o
>> CC lj_cdata.o
>> CC lj_cconv.o
>> CC lj_ccall.o
>> CC lj_ccallback.o
>> CC lj_carith.o
>> CC lj_clib.o
>> CC lj_cparse.o
>> CC lj_lib.o
>> CC lj_alloc.o
>> CC lib_aux.o
>> BUILDVM lj_libdef.h
>> CC lib_base.o
>> CC lib_math.o
>> CC lib_bit.o
>> CC lib_string.o
>> CC lib_table.o
>> CC lib_io.o
>> CC lib_os.o
>> CC lib_package.o
>> CC lib_debug.o
>> CC lib_jit.o
>> CC lib_ffi.o
>> CC lib_init.o
>> AR libluajit.a
>> CC luajit.o
>> BUILDVM jit/vmdef.lua
>> DYNLINK libluajit.so
>> LINK luajit
>> OK Successfully built LuaJIT
>>
>> All seems good,but when run
>> ./luajit
>> ./luajit: cannot create state: not enough memory
>>
>> 2014-02-14 9:19 GMT+08:00 Justin Sherrill
>> <justin at shiningsilence.com>:
>>
>> It looks like it's trying something specific; assuming it's really
>> not supported on DragonFly, you could look in the file and see if
>> it
>> has a fallback for other operating systems that don't support this
>> feature and add DragonFly to that fallback.
>>
>> On Thu, Feb 13, 2014 at 4:01 AM, lhmwzy <lhmwzy at gmail.com> wrote:
>>
>> LuaJIT-2.1-20140109
>>
>> use GNU make to make
>>
>> the error info:
>> lj_mcode.c:123:2: error: #error "Missing OS support for explicit
>> placement of executable memory"
>> lj_mcode.c: In function 'mcode_protect':
>> lj_mcode.c:197:5: warning: implicit declaration of function
>> 'mcode_setprot' [-Wimplicit-function-declaration]
>> lj_mcode.c: In function 'mcode_alloc':
>> lj_mcode.c:235:7: warning: implicit declaration of function
>> 'mcode_alloc_at' [-Wimplicit-function-declaration]
>> lj_mcode.c:235:45: error: 'MCPROT_RW' undeclared (first use in this
>> function)
>> lj_mcode.c:235:45: note: each undeclared identifier is reported
>> only once for each function it appears in
>> lj_mcode.c:240:7: warning: implicit declaration of function
>> 'mcode_free' [-Wimplicit-function-declaration]
>> lj_mcode.c: In function 'mcode_allocarea':
>> lj_mcode.c:275:15: error: 'MCPROT_RW' undeclared (first use in this
>> function)
>> lj_mcode.c: In function 'lj_mcode_reserve':
>> lj_mcode.c:304:22: error: 'MCPROT_RW' undeclared (first use in this
>> function)
>> lj_mcode.c: In function 'lj_mcode_commit':
>> lj_mcode.c:313:20: error: 'MCPROT_RX' undeclared (first use in this
>> function)
>> lj_mcode.c: In function 'lj_mcode_abort':
>> lj_mcode.c:320:22: error: 'MCPROT_RX' undeclared (first use in this
>> function)
>> lj_mcode.c: In function 'lj_mcode_patch':
>> lj_mcode.c:332:24: error: 'MCPROT_RX' undeclared (first use in this
>> function)
>> lj_mcode.c:340:24: error: 'MCPROT_RW' undeclared (first use in this
>> function)
>> Makefile:642: recipe for target 'lj_mcode.o' failed
>>
>> try LuaJIT-2.0.2
>> the error info :
>> lj_mcode.c:122:2: error: #error "Missing OS support for explicit
>> placement of executable memory"
>> lj_mcode.c: In function 'mcode_protect':
>> lj_mcode.c:187:5: warning: implicit declaration of function
>> 'mcode_setprot' [-Wimplicit-function-declaration]
>> lj_mcode.c: In function 'mcode_alloc':
>> lj_mcode.c:224:7: warning: implicit declaration of function
>> 'mcode_alloc_at' [-Wimplicit-function-declaration]
>> lj_mcode.c:224:45: error: 'MCPROT_RW' undeclared (first use in this
>> function)
>> lj_mcode.c:224:45: note: each undeclared identifier is reported
>> only once for each function it appears in
>> lj_mcode.c:229:7: warning: implicit declaration of function
>> 'mcode_free' [-Wimplicit-function-declaration]
>> lj_mcode.c: In function 'mcode_allocarea':
>> lj_mcode.c:264:15: error: 'MCPROT_RW' undeclared (first use in this
>> function)
>> lj_mcode.c: In function 'lj_mcode_reserve':
>> lj_mcode.c:293:22: error: 'MCPROT_RW' undeclared (first use in this
>> function)
>> lj_mcode.c: In function 'lj_mcode_commit':
>> lj_mcode.c:302:20: error: 'MCPROT_RX' undeclared (first use in this
>> function)
>> lj_mcode.c: In function 'lj_mcode_abort':
>> lj_mcode.c:308:20: error: 'MCPROT_RX' undeclared (first use in this
>> function)
>> lj_mcode.c: In function 'lj_mcode_patch':
>> lj_mcode.c:320:24: error: 'MCPROT_RX' undeclared (first use in this
>> function)
>> lj_mcode.c:328:24: error: 'MCPROT_RW' undeclared (first use in this
>> function)
>>
>> My os:
>> uname -a:
>> DragonFly . 3.6-RELEASE DragonFly v3.6.0.24.gf2d5f-RELEASE #4: Tue
>> Feb 11 14:22:27 UTC 2014 lhm at .:/usr/obj/usr/src/sys/
>>
>> lhmwzy x86_64
>>
>> Any suggestion?
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