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nlguillemot/BAD EXAMPLE NUMBER 2 hashstr.cpp

Created July 20, 2012 07:39
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constexpr string hashing compiler behaviour
Raw
BAD EXAMPLE hashstr.cpp
#include <iostream>
constexpr unsigned _hash_string_recursive(unsigned hash, const char* str)
{
return ( !*str ? hash :
_hash_string_recursive(((hash << 5) + hash) + *str, str + 1));
}
constexpr unsigned hash_string(const char* str)
{
return ( !str ? 0 :
_hash_string_recursive(5381, str));
}
static_assert(hash_string("foo") != hash_string("bar"), "compare different hashed string by key");
static_assert(hash_string("foo") == hash_string("foo"), "compare identical strings by key");
static_assert(hash_string("bar") < hash_string("foo"), "compare strings by key ordering");
int main()
{
unsigned foo(hash_string("foo"));
unsigned bar(hash_string("bar"));
std::string s;
std::cin >> s;
unsigned rtimehash(hash_string(s.c_str()));
if (foo == rtimehash)
{
std::cout << "foo" << std::endl;
std::cout << foo << std::endl;
}
else if (bar == rtimehash)
{
std::cout << "bar" << std::endl;
std::cout << foo << std::endl;
}
}
Raw
BAD EXAMPLE hashstr.s
.file "hashstr.cpp"
.section .rodata.str1.1,"aMS",@progbits,1
.LC0:
.string "foo"
.LC1:
.string "bar"
.section .text.startup,"ax",@progbits
.p2align 4,,15
.globl main
.type main, @function
main:
.LFB1277:
.cfi_startproc
.cfi_personality 0,__gxx_personality_v0
.cfi_lsda 0,.LLSDA1277
pushl %ebp
.cfi_def_cfa_offset 8
.cfi_offset 5, -8
movl $102, %edx
movl %esp, %ebp
.cfi_def_cfa_register 5
movl $.LC0, %eax
pushl %edi
pushl %esi
pushl %ebx
movl $5381, %ebx
.cfi_offset 3, -20
.cfi_offset 6, -16
.cfi_offset 7, -12
andl $-16, %esp
subl $32, %esp
.p2align 4,,7
.p2align 3
.L2:
movl %ebx, %ecx
movsbl %dl, %edx
sall $5, %ecx
addl $1, %eax
addl %ecx, %edx
addl %edx, %ebx
movzbl (%eax), %edx
testb %dl, %dl
jne .L2
movl $5381, %esi
movl $98, %edx
movl $.LC1, %eax
.p2align 4,,7
.p2align 3
.L3:
movl %esi, %ecx
movsbl %dl, %edx
sall $5, %ecx
addl $1, %eax
addl %ecx, %edx
addl %edx, %esi
movzbl (%eax), %edx
testb %dl, %dl
jne .L3
leal 28(%esp), %eax
movl $_ZNSs4_Rep20_S_empty_rep_storageE+12, 28(%esp)
movl %eax, 4(%esp)
movl $_ZSt3cin, (%esp)
.LEHB0:
call _ZStrsIcSt11char_traitsIcESaIcEERSt13basic_istreamIT_T0_ES7_RSbIS4_S5_T1_E
movl 28(%esp), %eax
xorl %edi, %edi
testl %eax, %eax
je .L7
movzbl (%eax), %edx
movw $5381, %di
testb %dl, %dl
je .L7
.p2align 4,,7
.p2align 3
.L8:
movl %edi, %ecx
movsbl %dl, %edx
sall $5, %ecx
addl $1, %eax
addl %ecx, %edx
addl %edx, %edi
movzbl (%eax), %edx
testb %dl, %dl
jne .L8
.L7:
cmpl %ebx, %edi
je .L22
cmpl %esi, %edi
je .L23
.L10:
leal 28(%esp), %eax
movl %eax, (%esp)
call _ZNSsD1Ev
leal -12(%ebp), %esp
xorl %eax, %eax
popl %ebx
.cfi_remember_state
.cfi_restore 3
popl %esi
.cfi_restore 6
popl %edi
.cfi_restore 7
popl %ebp
.cfi_def_cfa 4, 4
.cfi_restore 5
ret
.L23:
.cfi_restore_state
movl $.LC1, 4(%esp)
movl $_ZSt4cout, (%esp)
call _ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc
movl %eax, (%esp)
call _ZSt4endlIcSt11char_traitsIcEERSt13basic_ostreamIT_T0_ES6_
movl %ebx, 4(%esp)
movl $_ZSt4cout, (%esp)
call _ZNSo9_M_insertImEERSoT_
.L20:
movl %eax, (%esp)
call _ZSt4endlIcSt11char_traitsIcEERSt13basic_ostreamIT_T0_ES6_
jmp .L10
.L22:
movl $.LC0, 4(%esp)
movl $_ZSt4cout, (%esp)
call _ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc
movl %eax, (%esp)
call _ZSt4endlIcSt11char_traitsIcEERSt13basic_ostreamIT_T0_ES6_
movl %edi, 4(%esp)
movl $_ZSt4cout, (%esp)
call _ZNSo9_M_insertImEERSoT_
.LEHE0:
jmp .L20
.L14:
movl %eax, %ebx
leal 28(%esp), %eax
movl %eax, (%esp)
call _ZNSsD1Ev
movl %ebx, (%esp)
.LEHB1:
call _Unwind_Resume
.LEHE1:
.cfi_endproc
.LFE1277:
.globl __gxx_personality_v0
.section .gcc_except_table,"a",@progbits
.LLSDA1277:
.byte 0xff
.byte 0xff
.byte 0x1
.uleb128 .LLSDACSE1277-.LLSDACSB1277
.LLSDACSB1277:
.uleb128 .LEHB0-.LFB1277
.uleb128 .LEHE0-.LEHB0
.uleb128 .L14-.LFB1277
.uleb128 0
.uleb128 .LEHB1-.LFB1277
.uleb128 .LEHE1-.LEHB1
.uleb128 0
.uleb128 0
.LLSDACSE1277:
.section .text.startup
.size main, .-main
.p2align 4,,15
.type _GLOBAL__sub_I_main, @function
_GLOBAL__sub_I_main:
.LFB1437:
.cfi_startproc
subl $28, %esp
.cfi_def_cfa_offset 32
movl $_ZStL8__ioinit, (%esp)
call _ZNSt8ios_base4InitC1Ev
movl $__dso_handle, 8(%esp)
movl $_ZStL8__ioinit, 4(%esp)
movl $_ZNSt8ios_base4InitD1Ev, (%esp)
call __cxa_atexit
addl $28, %esp
.cfi_def_cfa_offset 4
ret
.cfi_endproc
.LFE1437:
.size _GLOBAL__sub_I_main, .-_GLOBAL__sub_I_main
.section .ctors,"aw",@progbits
.align 4
.long _GLOBAL__sub_I_main
.local _ZStL8__ioinit
.comm _ZStL8__ioinit,1,1
.weakref _ZL20__gthrw_pthread_oncePiPFvvE,pthread_once
.weakref _ZL27__gthrw_pthread_getspecificj,pthread_getspecific
.weakref _ZL27__gthrw_pthread_setspecificjPKv,pthread_setspecific
.weakref _ZL22__gthrw_pthread_createPmPK14pthread_attr_tPFPvS3_ES3_,pthread_create
.weakref _ZL20__gthrw_pthread_joinmPPv,pthread_join
.weakref _ZL21__gthrw_pthread_equalmm,pthread_equal
.weakref _ZL20__gthrw_pthread_selfv,pthread_self
.weakref _ZL22__gthrw_pthread_detachm,pthread_detach
.weakref _ZL22__gthrw_pthread_cancelm,pthread_cancel
.weakref _ZL19__gthrw_sched_yieldv,sched_yield
.weakref _ZL26__gthrw_pthread_mutex_lockP15pthread_mutex_t,pthread_mutex_lock
.weakref _ZL29__gthrw_pthread_mutex_trylockP15pthread_mutex_t,pthread_mutex_trylock
.weakref _ZL31__gthrw_pthread_mutex_timedlockP15pthread_mutex_tPK8timespec,pthread_mutex_timedlock
.weakref _ZL28__gthrw_pthread_mutex_unlockP15pthread_mutex_t,pthread_mutex_unlock
.weakref _ZL26__gthrw_pthread_mutex_initP15pthread_mutex_tPK19pthread_mutexattr_t,pthread_mutex_init
.weakref _ZL29__gthrw_pthread_mutex_destroyP15pthread_mutex_t,pthread_mutex_destroy
.weakref _ZL30__gthrw_pthread_cond_broadcastP14pthread_cond_t,pthread_cond_broadcast
.weakref _ZL27__gthrw_pthread_cond_signalP14pthread_cond_t,pthread_cond_signal
.weakref _ZL25__gthrw_pthread_cond_waitP14pthread_cond_tP15pthread_mutex_t,pthread_cond_wait
.weakref _ZL30__gthrw_pthread_cond_timedwaitP14pthread_cond_tP15pthread_mutex_tPK8timespec,pthread_cond_timedwait
.weakref _ZL28__gthrw_pthread_cond_destroyP14pthread_cond_t,pthread_cond_destroy
.weakref _ZL26__gthrw_pthread_key_createPjPFvPvE,pthread_key_create
.weakref _ZL26__gthrw_pthread_key_deletej,pthread_key_delete
.weakref _ZL30__gthrw_pthread_mutexattr_initP19pthread_mutexattr_t,pthread_mutexattr_init
.weakref _ZL33__gthrw_pthread_mutexattr_settypeP19pthread_mutexattr_ti,pthread_mutexattr_settype
.weakref _ZL33__gthrw_pthread_mutexattr_destroyP19pthread_mutexattr_t,pthread_mutexattr_destroy
.ident "GCC: (Ubuntu/Linaro 4.6.3-1ubuntu5) 4.6.3"
.section .note.GNU-stack,"",@progbits
Raw
BAD EXAMPLE NUMBER 2 hashstr.cpp
#include <iostream>
constexpr unsigned _hash_string_recursive(unsigned hash, const char* str)
{
return ( !*str ? hash :
_hash_string_recursive(((hash << 5) + hash) + *str, str + 1));
}
constexpr unsigned hash_string(const char* str)
{
return ( !str ? 0 :
_hash_string_recursive(5381, str));
}
static_assert(hash_string("foo") != hash_string("bar"), "compare different hashed string by key");
static_assert(hash_string("foo") == hash_string("foo"), "compare identical strings by key");
static_assert(hash_string("bar") < hash_string("foo"), "compare strings by key ordering");
int main()
{
std::string s;
std::cin >> s;
unsigned rtimehash(hash_string(s.c_str()));
if (hash_string("foo") == rtimehash)
{
std::cout << "foo" << std::endl;
}
else if (hash_string("bar") == rtimehash)
{
std::cout << "bar" << std::endl;
}
}
Raw
BAD EXAMPLE NUMBER 2 hashstr.s
.file "hashstr.cpp"
.section .rodata.str1.1,"aMS",@progbits,1
.LC0:
.string "foo"
.LC1:
.string "bar"
.section .text.startup,"ax",@progbits
.p2align 4,,15
.globl main
.type main, @function
main:
.LFB1277:
.cfi_startproc
.cfi_personality 0,__gxx_personality_v0
.cfi_lsda 0,.LLSDA1277
pushl %ebp
.cfi_def_cfa_offset 8
.cfi_offset 5, -8
movl %esp, %ebp
.cfi_def_cfa_register 5
pushl %edi
pushl %esi
pushl %ebx
andl $-16, %esp
subl $32, %esp
leal 28(%esp), %ebx
.cfi_offset 3, -20
.cfi_offset 6, -16
.cfi_offset 7, -12
movl $_ZNSs4_Rep20_S_empty_rep_storageE+12, 28(%esp)
movl %ebx, 4(%esp)
movl $_ZSt3cin, (%esp)
.LEHB0:
call _ZStrsIcSt11char_traitsIcESaIcEERSt13basic_istreamIT_T0_ES7_RSbIS4_S5_T1_E
movl 28(%esp), %eax
xorl %esi, %esi
testl %eax, %eax
je .L4
movzbl (%eax), %edx
movw $5381, %si
testb %dl, %dl
je .L4
.p2align 4,,7
.p2align 3
.L5:
movl %esi, %ecx
movsbl %dl, %edx
sall $5, %ecx
addl $1, %eax
addl %ecx, %edx
addl %edx, %esi
movzbl (%eax), %edx
testb %dl, %dl
jne .L5
.L4:
movl $5381, %eax
movl $102, %ecx
movl $.LC0, %edx
.p2align 4,,7
.p2align 3
.L6:
movl %eax, %edi
movsbl %cl, %ecx
sall $5, %edi
addl $1, %edx
addl %edi, %ecx
addl %ecx, %eax
movzbl (%edx), %ecx
testb %cl, %cl
jne .L6
cmpl %eax, %esi
je .L20
movl $5381, %eax
movl $98, %ecx
movl $.LC1, %edx
.p2align 4,,7
.p2align 3
.L7:
movl %eax, %edi
movsbl %cl, %ecx
sall $5, %edi
addl $1, %edx
addl %edi, %ecx
addl %ecx, %eax
movzbl (%edx), %ecx
testb %cl, %cl
jne .L7
cmpl %esi, %eax
je .L21
.L8:
movl %ebx, (%esp)
call _ZNSsD1Ev
leal -12(%ebp), %esp
xorl %eax, %eax
popl %ebx
.cfi_remember_state
.cfi_restore 3
popl %esi
.cfi_restore 6
popl %edi
.cfi_restore 7
popl %ebp
.cfi_def_cfa 4, 4
.cfi_restore 5
ret
.L21:
.cfi_restore_state
movl $.LC1, 4(%esp)
movl $_ZSt4cout, (%esp)
call _ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc
.L18:
movl %eax, (%esp)
call _ZSt4endlIcSt11char_traitsIcEERSt13basic_ostreamIT_T0_ES6_
jmp .L8
.L20:
movl $.LC0, 4(%esp)
movl $_ZSt4cout, (%esp)
call _ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc
.LEHE0:
jmp .L18
.L13:
movl %eax, %esi
movl %ebx, (%esp)
call _ZNSsD1Ev
movl %esi, (%esp)
.LEHB1:
call _Unwind_Resume
.LEHE1:
.cfi_endproc
.LFE1277:
.globl __gxx_personality_v0
.section .gcc_except_table,"a",@progbits
.LLSDA1277:
.byte 0xff
.byte 0xff
.byte 0x1
.uleb128 .LLSDACSE1277-.LLSDACSB1277
.LLSDACSB1277:
.uleb128 .LEHB0-.LFB1277
.uleb128 .LEHE0-.LEHB0
.uleb128 .L13-.LFB1277
.uleb128 0
.uleb128 .LEHB1-.LFB1277
.uleb128 .LEHE1-.LEHB1
.uleb128 0
.uleb128 0
.LLSDACSE1277:
.section .text.startup
.size main, .-main
.p2align 4,,15
.type _GLOBAL__sub_I_main, @function
_GLOBAL__sub_I_main:
.LFB1436:
.cfi_startproc
subl $28, %esp
.cfi_def_cfa_offset 32
movl $_ZStL8__ioinit, (%esp)
call _ZNSt8ios_base4InitC1Ev
movl $__dso_handle, 8(%esp)
movl $_ZStL8__ioinit, 4(%esp)
movl $_ZNSt8ios_base4InitD1Ev, (%esp)
call __cxa_atexit
addl $28, %esp
.cfi_def_cfa_offset 4
ret
.cfi_endproc
.LFE1436:
.size _GLOBAL__sub_I_main, .-_GLOBAL__sub_I_main
.section .ctors,"aw",@progbits
.align 4
.long _GLOBAL__sub_I_main
.local _ZStL8__ioinit
.comm _ZStL8__ioinit,1,1
.weakref _ZL20__gthrw_pthread_oncePiPFvvE,pthread_once
.weakref _ZL27__gthrw_pthread_getspecificj,pthread_getspecific
.weakref _ZL27__gthrw_pthread_setspecificjPKv,pthread_setspecific
.weakref _ZL22__gthrw_pthread_createPmPK14pthread_attr_tPFPvS3_ES3_,pthread_create
.weakref _ZL20__gthrw_pthread_joinmPPv,pthread_join
.weakref _ZL21__gthrw_pthread_equalmm,pthread_equal
.weakref _ZL20__gthrw_pthread_selfv,pthread_self
.weakref _ZL22__gthrw_pthread_detachm,pthread_detach
.weakref _ZL22__gthrw_pthread_cancelm,pthread_cancel
.weakref _ZL19__gthrw_sched_yieldv,sched_yield
.weakref _ZL26__gthrw_pthread_mutex_lockP15pthread_mutex_t,pthread_mutex_lock
.weakref _ZL29__gthrw_pthread_mutex_trylockP15pthread_mutex_t,pthread_mutex_trylock
.weakref _ZL31__gthrw_pthread_mutex_timedlockP15pthread_mutex_tPK8timespec,pthread_mutex_timedlock
.weakref _ZL28__gthrw_pthread_mutex_unlockP15pthread_mutex_t,pthread_mutex_unlock
.weakref _ZL26__gthrw_pthread_mutex_initP15pthread_mutex_tPK19pthread_mutexattr_t,pthread_mutex_init
.weakref _ZL29__gthrw_pthread_mutex_destroyP15pthread_mutex_t,pthread_mutex_destroy
.weakref _ZL30__gthrw_pthread_cond_broadcastP14pthread_cond_t,pthread_cond_broadcast
.weakref _ZL27__gthrw_pthread_cond_signalP14pthread_cond_t,pthread_cond_signal
.weakref _ZL25__gthrw_pthread_cond_waitP14pthread_cond_tP15pthread_mutex_t,pthread_cond_wait
.weakref _ZL30__gthrw_pthread_cond_timedwaitP14pthread_cond_tP15pthread_mutex_tPK8timespec,pthread_cond_timedwait
.weakref _ZL28__gthrw_pthread_cond_destroyP14pthread_cond_t,pthread_cond_destroy
.weakref _ZL26__gthrw_pthread_key_createPjPFvPvE,pthread_key_create
.weakref _ZL26__gthrw_pthread_key_deletej,pthread_key_delete
.weakref _ZL30__gthrw_pthread_mutexattr_initP19pthread_mutexattr_t,pthread_mutexattr_init
.weakref _ZL33__gthrw_pthread_mutexattr_settypeP19pthread_mutexattr_ti,pthread_mutexattr_settype
.weakref _ZL33__gthrw_pthread_mutexattr_destroyP19pthread_mutexattr_t,pthread_mutexattr_destroy
.ident "GCC: (Ubuntu/Linaro 4.6.3-1ubuntu5) 4.6.3"
.section .note.GNU-stack,"",@progbits
Raw
GOOD EXAMPLE hashstr.cpp
#include <iostream>
constexpr unsigned _hash_string_recursive(unsigned hash, const char* str)
{
return ( !*str ? hash :
_hash_string_recursive(((hash << 5) + hash) + *str, str + 1));
}
constexpr unsigned hash_string(const char* str)
{
return ( !str ? 0 :
_hash_string_recursive(5381, str));
}
static_assert(hash_string("foo") != hash_string("bar"), "compare different hashed string by key");
static_assert(hash_string("foo") == hash_string("foo"), "compare identical strings by key");
static_assert(hash_string("bar") < hash_string("foo"), "compare strings by key ordering");
int main()
{
// note: "const" qualifier is NECESSARY OTHERWISE THE STRINGS WILL BE HASHED AT RUNTIME ANWAYSY!!!!!!!!!!!!!!!!
const unsigned foo(hash_string("foo"));
const unsigned bar(hash_string("bar"));
std::string s;
std::cin >> s;
unsigned rtimehash(hash_string(s.c_str()));
if (foo == rtimehash)
{
std::cout << "foo" << std::endl;
std::cout << foo << std::endl;
}
else if (bar == rtimehash)
{
std::cout << "bar" << std::endl;
std::cout << foo << std::endl;
}
}
Raw
GOOD EXAMPLE hashstr.s
.file "hashstr.cpp"
.section .rodata.str1.1,"aMS",@progbits,1
.LC0:
.string "foo"
.LC1:
.string "bar"
.section .text.startup,"ax",@progbits
.p2align 4,,15
.globl main
.type main, @function
main:
.LFB1277:
.cfi_startproc
.cfi_personality 0,__gxx_personality_v0
.cfi_lsda 0,.LLSDA1277
pushl %ebp
.cfi_def_cfa_offset 8
.cfi_offset 5, -8
movl %esp, %ebp
.cfi_def_cfa_register 5
pushl %esi
pushl %ebx
andl $-16, %esp
subl $32, %esp
leal 28(%esp), %ebx
.cfi_offset 3, -16
.cfi_offset 6, -12
movl $_ZNSs4_Rep20_S_empty_rep_storageE+12, 28(%esp)
movl %ebx, 4(%esp)
movl $_ZSt3cin, (%esp)
.LEHB0:
call _ZStrsIcSt11char_traitsIcESaIcEERSt13basic_istreamIT_T0_ES7_RSbIS4_S5_T1_E
movl 28(%esp), %eax
testl %eax, %eax
je .L4
movzbl (%eax), %ecx
testb %cl, %cl
je .L4
movl $5381, %edx
.p2align 4,,7
.p2align 3
.L5:
movl %edx, %esi
movsbl %cl, %ecx
sall $5, %esi
addl $1, %eax
addl %esi, %ecx
addl %ecx, %edx
movzbl (%eax), %ecx
testb %cl, %cl
jne .L5
cmpl $193491849, %edx
je .L17
cmpl $193487034, %edx
je .L18
.L4:
movl %ebx, (%esp)
call _ZNSsD1Ev
leal -8(%ebp), %esp
xorl %eax, %eax
popl %ebx
.cfi_remember_state
.cfi_restore 3
popl %esi
.cfi_restore 6
popl %ebp
.cfi_def_cfa 4, 4
.cfi_restore 5
ret
.L18:
.cfi_restore_state
movl $.LC1, 4(%esp)
movl $_ZSt4cout, (%esp)
call _ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc
.L15:
movl %eax, (%esp)
call _ZSt4endlIcSt11char_traitsIcEERSt13basic_ostreamIT_T0_ES6_
movl $193491849, 4(%esp)
movl $_ZSt4cout, (%esp)
call _ZNSo9_M_insertImEERSoT_
movl %eax, (%esp)
call _ZSt4endlIcSt11char_traitsIcEERSt13basic_ostreamIT_T0_ES6_
jmp .L4
.L17:
movl $.LC0, 4(%esp)
movl $_ZSt4cout, (%esp)
call _ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc
.LEHE0:
jmp .L15
.L8:
movl %eax, %esi
movl %ebx, (%esp)
call _ZNSsD1Ev
movl %esi, (%esp)
.LEHB1:
call _Unwind_Resume
.LEHE1:
.cfi_endproc
.LFE1277:
.globl __gxx_personality_v0
.section .gcc_except_table,"a",@progbits
.LLSDA1277:
.byte 0xff
.byte 0xff
.byte 0x1
.uleb128 .LLSDACSE1277-.LLSDACSB1277
.LLSDACSB1277:
.uleb128 .LEHB0-.LFB1277
.uleb128 .LEHE0-.LEHB0
.uleb128 .L8-.LFB1277
.uleb128 0
.uleb128 .LEHB1-.LFB1277
.uleb128 .LEHE1-.LEHB1
.uleb128 0
.uleb128 0
.LLSDACSE1277:
.section .text.startup
.size main, .-main
.p2align 4,,15
.type _GLOBAL__sub_I_main, @function
_GLOBAL__sub_I_main:
.LFB1437:
.cfi_startproc
subl $28, %esp
.cfi_def_cfa_offset 32
movl $_ZStL8__ioinit, (%esp)
call _ZNSt8ios_base4InitC1Ev
movl $__dso_handle, 8(%esp)
movl $_ZStL8__ioinit, 4(%esp)
movl $_ZNSt8ios_base4InitD1Ev, (%esp)
call __cxa_atexit
addl $28, %esp
.cfi_def_cfa_offset 4
ret
.cfi_endproc
.LFE1437:
.size _GLOBAL__sub_I_main, .-_GLOBAL__sub_I_main
.section .ctors,"aw",@progbits
.align 4
.long _GLOBAL__sub_I_main
.local _ZStL8__ioinit
.comm _ZStL8__ioinit,1,1
.weakref _ZL20__gthrw_pthread_oncePiPFvvE,pthread_once
.weakref _ZL27__gthrw_pthread_getspecificj,pthread_getspecific
.weakref _ZL27__gthrw_pthread_setspecificjPKv,pthread_setspecific
.weakref _ZL22__gthrw_pthread_createPmPK14pthread_attr_tPFPvS3_ES3_,pthread_create
.weakref _ZL20__gthrw_pthread_joinmPPv,pthread_join
.weakref _ZL21__gthrw_pthread_equalmm,pthread_equal
.weakref _ZL20__gthrw_pthread_selfv,pthread_self
.weakref _ZL22__gthrw_pthread_detachm,pthread_detach
.weakref _ZL22__gthrw_pthread_cancelm,pthread_cancel
.weakref _ZL19__gthrw_sched_yieldv,sched_yield
.weakref _ZL26__gthrw_pthread_mutex_lockP15pthread_mutex_t,pthread_mutex_lock
.weakref _ZL29__gthrw_pthread_mutex_trylockP15pthread_mutex_t,pthread_mutex_trylock
.weakref _ZL31__gthrw_pthread_mutex_timedlockP15pthread_mutex_tPK8timespec,pthread_mutex_timedlock
.weakref _ZL28__gthrw_pthread_mutex_unlockP15pthread_mutex_t,pthread_mutex_unlock
.weakref _ZL26__gthrw_pthread_mutex_initP15pthread_mutex_tPK19pthread_mutexattr_t,pthread_mutex_init
.weakref _ZL29__gthrw_pthread_mutex_destroyP15pthread_mutex_t,pthread_mutex_destroy
.weakref _ZL30__gthrw_pthread_cond_broadcastP14pthread_cond_t,pthread_cond_broadcast
.weakref _ZL27__gthrw_pthread_cond_signalP14pthread_cond_t,pthread_cond_signal
.weakref _ZL25__gthrw_pthread_cond_waitP14pthread_cond_tP15pthread_mutex_t,pthread_cond_wait
.weakref _ZL30__gthrw_pthread_cond_timedwaitP14pthread_cond_tP15pthread_mutex_tPK8timespec,pthread_cond_timedwait
.weakref _ZL28__gthrw_pthread_cond_destroyP14pthread_cond_t,pthread_cond_destroy
.weakref _ZL26__gthrw_pthread_key_createPjPFvPvE,pthread_key_create
.weakref _ZL26__gthrw_pthread_key_deletej,pthread_key_delete
.weakref _ZL30__gthrw_pthread_mutexattr_initP19pthread_mutexattr_t,pthread_mutexattr_init
.weakref _ZL33__gthrw_pthread_mutexattr_settypeP19pthread_mutexattr_ti,pthread_mutexattr_settype
.weakref _ZL33__gthrw_pthread_mutexattr_destroyP19pthread_mutexattr_t,pthread_mutexattr_destroy
.ident "GCC: (Ubuntu/Linaro 4.6.3-1ubuntu5) 4.6.3"
.section .note.GNU-stack,"",@progbits
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