#0  WTF::equalInternal<unsigned char> () at /usr/src/debug/webkitgtk-2.38.2/Source/WTF/wtf/text/StringImpl.cpp:1418
#1  WTF::equal () at /usr/src/debug/webkitgtk-2.38.2/Source/WTF/wtf/text/StringImpl.cpp:1427
#2  0x00fffffff435c1fc in WTF::LCharBufferTranslator::equal () at /usr/src/debug/webkitgtk-2.38.2/Source/WTF/wtf/text/AtomStringImpl.cpp:264
#3  WTF::HashSetTranslatorAdapter<WTF::LCharBufferTranslator>::equal<WTF::Packed<WTF::StringImpl*>, WTF::HashTranslatorCharBuffer<unsigned char> > () at /usr/src/debug/webkitgtk-2.38.2/Source/WTF/wtf/HashSet.h:172
#4  WTF::HashTable<WTF::Packed<WTF::StringImpl*>, WTF::Packed<WTF::StringImpl*>, WTF::IdentityExtractor, WTF::DefaultHash<WTF::Packed<WTF::StringImpl*> >, WTF::HashTraits<WTF::Packed<WTF::StringImpl*> >, WTF::HashTraits<WTF::Packed<WTF::StringImpl*> > >::fullLookupForWriting<WTF::HashSetTranslatorAdapter<WTF::LCharBufferTranslator>, WTF::HashTranslatorCharBuffer<unsigned char> > () at /usr/src/debug/webkitgtk-2.38.2/Source/WTF/wtf/HashTable.h:815
#5  WTF::HashTable<WTF::Packed<WTF::StringImpl*>, WTF::Packed<WTF::StringImpl*>, WTF::IdentityExtractor, WTF::DefaultHash<WTF::Packed<WTF::StringImpl*> >, WTF::HashTraits<WTF::Packed<WTF::StringImpl*> >, WTF::HashTraits<WTF::Packed<WTF::StringImpl*> > >::addPassingHashCode<WTF::HashSetTranslatorAdapter<WTF::LCharBufferTranslator>, WTF::HashTranslatorCharBuffer<unsigned char> const&, WTF::HashTranslatorCharBuffer<unsigned char> const&> () at /usr/src/debug/webkitgtk-2.38.2/Source/WTF/wtf/HashTable.h:973
#6  WTF::HashSet<WTF::Packed<WTF::StringImpl*>, WTF::DefaultHash<WTF::Packed<WTF::StringImpl*> >, WTF::HashTraits<WTF::Packed<WTF::StringImpl*> >, WTF::HashTableTraits>::add<WTF::LCharBufferTranslator, WTF::HashTranslatorCharBuffer<unsigned char> > () at /usr/src/debug/webkitgtk-2.38.2/Source/WTF/wtf/HashSet.h:292
#7  addToStringTable<WTF::HashTranslatorCharBuffer<unsigned char>, WTF::LCharBufferTranslator> () at /usr/src/debug/webkitgtk-2.38.2/Source/WTF/wtf/text/AtomStringImpl.cpp:75
#8  addToStringTable<WTF::HashTranslatorCharBuffer<unsigned char>, WTF::LCharBufferTranslator> () at /usr/src/debug/webkitgtk-2.38.2/Source/WTF/wtf/text/AtomStringImpl.cpp:88
#9  WTF::AtomStringImpl::add () at /usr/src/debug/webkitgtk-2.38.2/Source/WTF/wtf/text/AtomStringImpl.cpp:307
#10 0x00fffffff6c2edc6 in WTF::AtomStringImpl::add () at /usr/src/debug/webkitgtk-2.38.2/riscv64-alt-linux/WTF/Headers/wtf/text/AtomStringImpl.h:44
#11 WTF::AtomString::AtomString () at /usr/src/debug/webkitgtk-2.38.2/riscv64-alt-linux/WTF/Headers/wtf/text/AtomString.h:290
#12 WTF::LazyNeverDestroyed<WTF::AtomString const, WTF::MainThreadAccessTraits>::constructWithoutAccessCheck<WTF::ASCIILiteral> () at /usr/src/debug/webkitgtk-2.38.2/riscv64-alt-linux/WTF/Headers/wtf/NeverDestroyed.h:130
#13 operator() () at /usr/src/debug/webkitgtk-2.38.2/Source/WebCore/platform/CommonAtomStrings.cpp:45
#14 __invoke_impl<void, WebCore::initializeCommonAtomStrings()::<lambda()> > () at /usr/include/c++/10/bits/invoke.h:60
#15 __invoke<WebCore::initializeCommonAtomStrings()::<lambda()> > () at /usr/include/c++/10/bits/invoke.h:95
#16 operator() () at /usr/include/c++/10/mutex:717
#17 operator() () at /usr/include/c++/10/mutex:722
#18 _FUN () at /usr/include/c++/10/mutex:722
#19 0x00fffffff31e6f8a in __pthread_once_slow (once_control=<optimized out>, init_routine=<optimized out>) at pthread_once.c:116
#20 0x00fffffff6c2f062 in __gthread_once () at /usr/include/c++/10/riscv64-alt-linux/bits/gthr-default.h:700
#21 call_once<WebCore::initializeCommonAtomStrings()::<lambda()> > () at /usr/include/c++/10/mutex:729
#22 WebCore::initializeCommonAtomStrings () at /usr/src/debug/webkitgtk-2.38.2/Source/WebCore/platform/CommonAtomStrings.cpp:44
#23 0x00fffffff5741e76 in WebKit::InitializeWebKit2 () at /usr/src/debug/webkitgtk-2.38.2/Source/WebKit/Shared/WebKit2Initialize.cpp:48
#24 0x00fffffff583a5ee in operator() () at /usr/src/debug/webkitgtk-2.38.2/Source/WebKit/UIProcess/API/glib/WebKitInitialize.cpp:103
#25 __invoke_impl<void, WebKit::webkitInitialize()::<lambda()> > () at /usr/include/c++/10/bits/invoke.h:60
#26 __invoke<WebKit::webkitInitialize()::<lambda()> > () at /usr/include/c++/10/bits/invoke.h:95
#27 operator() () at /usr/include/c++/10/mutex:717
#28 operator() () at /usr/include/c++/10/mutex:722
#29 _FUN () at /usr/include/c++/10/mutex:722
#30 0x00fffffff31e6f8a in __pthread_once_slow (once_control=<optimized out>, init_routine=<optimized out>) at pthread_once.c:116
#31 0x00fffffff583a922 in __gthread_once () at /usr/include/c++/10/riscv64-alt-linux/bits/gthr-default.h:700
#32 call_once<WebKit::webkitInitialize()::<lambda()> > () at /usr/include/c++/10/mutex:729
#33 WebKit::webkitInitialize () at /usr/src/debug/webkitgtk-2.38.2/Source/WebKit/UIProcess/API/glib/WebKitInitialize.cpp:102
#34 0x00fffffff584486e in webkit_settings_class_init () at /usr/src/debug/webkitgtk-2.38.2/Source/WebKit/UIProcess/API/glib/WebKitSettings.cpp:614
#35 webkit_settings_class_intern_init () at /usr/src/debug/webkitgtk-2.38.2/Source/WebKit/UIProcess/API/glib/WebKitSettings.cpp:107
#36 0x00fffffff7d45834 in type_class_init_Wm (pclass=0xaaaaaaaaaee2e0, node=0xaaaaaaaab65630) at ../gobject/gtype.c:2299
#37 g_type_class_ref (type=type@entry=48038396026050096) at ../gobject/gtype.c:3014
#38 0x00fffffff7d32e70 in g_object_new_with_properties (object_type=<optimized out>, n_properties=<optimized out>, names=<optimized out>, values=<optimized out>) at ../gobject/gobject.c:2370
#39 0x00fffffff7d33694 in g_object_new (object_type=<optimized out>, first_property_name=<optimized out>) at ../gobject/gobject.c:2037
#40 0x00fffffff5845ef6 in webkit_settings_new () at /usr/src/debug/webkitgtk-2.38.2/Source/WebKit/UIProcess/API/glib/WebKitSettings.cpp:1611
#41 0x00aaaaaaaaab90c4 in main () at /usr/src/debug/webkitgtk-2.38.2/Tools/MiniBrowser/gtk/main.c:815

(gdb) info registers
ra             0xfffffff435c1fc 0xfffffff435c1fc <WTF::AtomStringImpl::add(unsigned char const*, unsigned int)+512>
sp             0xffffffffffebd0 0xffffffffffebd0
gp             0xaaaaaaaaac7e30 0xaaaaaaaaac7e30 <webkit_web_view_is_editable@got.plt>
tp             0xffffffef4c5800 0xffffffef4c5800
t0             0xfffffff7d614f0 72057593900963056
t1             0xfffffff4363fd6 72057593840156630
t2             0xfffffff44e5570 72057593841735024
fp             0xffffffee8f7022 0xffffffee8f7022
s1             0xffffffffffebf8 72057594037922808
a0             0xffffee8f6020   281474684117024
a1             0xfffffff74bdcd0 72057593891904720
a2             0xa      10
a3             0x1      1
a4             0xff     255
a5             0xff     255
a6             0x20     32
a7             0x20     32
s2             0x3      3
s3             0xfffffff74bdcd0 72057593891904720
s4             0x0      0
s5             0x1      1
s6             0xffffffffffec80 72057594037922944
s7             0xfffffff7ffdcf0 72057593903701232
s8             0xa      10
s9             0x0      0
s10            0xffffffee8f7010 72057593745338384
s11            0x7      7
t3             0xfffffff3410688 72057593824085640
t4             0xf63fd6 16138198
t5             0x85     133
t6             0x8708   34568
pc             0xfffffff4363fda 0xfffffff4363fda <WTF::equal(WTF::StringImpl const*, unsigned char const*, unsigned int)+4>

(gdb) disassemble
Dump of assembler code for function _ZN3WTF5equalEPKNS_10StringImplEPKhj:
   0x00fffffff4363fd6 <+0>:     beqz    a0,0xfffffff436402e <_ZN3WTF5equalEPKNS_10StringImplEPKhj+88>
   0x00fffffff4363fd8 <+2>:     beqz    a1,0xfffffff436400e <_ZN3WTF5equalEPKNS_10StringImplEPKhj+56>
=> 0x00fffffff4363fda <+4>:     lw      a3,4(a0)
   0x00fffffff4363fdc <+6>:     mv      a4,a0
   0x00fffffff4363fde <+8>:     li      a0,0
   0x00fffffff4363fe0 <+10>:    beq     a3,a2,0xfffffff4363fe6 <_ZN3WTF5equalEPKNS_10StringImplEPKhj+16>
   0x00fffffff4363fe4 <+14>:    ret
   0x00fffffff4363fe6 <+16>:    lw      a2,16(a4)
   0x00fffffff4363fe8 <+18>:    ld      a0,8(a4)
   0x00fffffff4363fea <+20>:    andi    a4,a2,4
   0x00fffffff4363fee <+24>:    bnez    a4,0xfffffff4364012 <_ZN3WTF5equalEPKNS_10StringImplEPKhj+60>
   0x00fffffff4363ff0 <+26>:    beqz    a3,0xfffffff4364034 <_ZN3WTF5equalEPKNS_10StringImplEPKhj+94>
   0x00fffffff4363ff2 <+28>:    slli    a3,a3,0x20
   0x00fffffff4363ff4 <+30>:    srli    a3,a3,0x1f
   0x00fffffff4363ff6 <+32>:    add     a3,a3,a0
   0x00fffffff4363ff8 <+34>:    j       0xfffffff4363ffe <_ZN3WTF5equalEPKNS_10StringImplEPKhj+40>
   0x00fffffff4363ffa <+36>:    beq     a3,a0,0xfffffff4364034 <_ZN3WTF5equalEPKNS_10StringImplEPKhj+94>
   0x00fffffff4363ffe <+40>:    lbu     a4,0(a1)
   0x00fffffff4364002 <+44>:    lhu     a5,0(a0)
   0x00fffffff4364006 <+48>:    addi    a1,a1,1
   0x00fffffff4364008 <+50>:    addi    a0,a0,2
   0x00fffffff436400a <+52>:    beq     a4,a5,0xfffffff4363ffa <_ZN3WTF5equalEPKNS_10StringImplEPKhj+36>
   0x00fffffff436400e <+56>:    li      a0,0
   0x00fffffff4364010 <+58>:    ret
   0x00fffffff4364012 <+60>:    slli    a2,a3,0x20
   0x00fffffff4364016 <+64>:    addi    sp,sp,-16
   0x00fffffff4364018 <+66>:    srli    a2,a2,0x20
   0x00fffffff436401a <+68>:    sd      ra,8(sp)
   0x00fffffff436401c <+70>:    auipc   ra,0xff1df
   0x00fffffff4364020 <+74>:    jalr    -652(ra) # 0xfffffff3542d90 <memcmp@plt>
   0x00fffffff4364024 <+78>:    ld      ra,8(sp)
   0x00fffffff4364026 <+80>:    seqz    a0,a0
   0x00fffffff436402a <+84>:    addi    sp,sp,16
   0x00fffffff436402c <+86>:    ret
   0x00fffffff436402e <+88>:    seqz    a0,a1
   0x00fffffff4364032 <+92>:    ret
   0x00fffffff4364034 <+94>:    li      a0,1
   0x00fffffff4364036 <+96>:    ret
End of assembler dump.

То же самое через c++filt:

(gdb) disassemble
Dump of assembler code for function WTF::equal(WTF::StringImpl const*, unsigned char const*, unsigned int):
   0x00fffffff4363fd6 <+0>:     beqz    a0,0xfffffff436402e <WTF::equal(WTF::StringImpl const*, unsigned char const*, unsigned int)+88>
   0x00fffffff4363fd8 <+2>:     beqz    a1,0xfffffff436400e <WTF::equal(WTF::StringImpl const*, unsigned char const*, unsigned int)+56>
=> 0x00fffffff4363fda <+4>:     lw      a3,4(a0)
   0x00fffffff4363fdc <+6>:     mv      a4,a0
   0x00fffffff4363fde <+8>:     li      a0,0
   0x00fffffff4363fe0 <+10>:    beq     a3,a2,0xfffffff4363fe6 <WTF::equal(WTF::StringImpl const*, unsigned char const*, unsigned int)+16>
   0x00fffffff4363fe4 <+14>:    ret
   0x00fffffff4363fe6 <+16>:    lw      a2,16(a4)
   0x00fffffff4363fe8 <+18>:    ld      a0,8(a4)
   0x00fffffff4363fea <+20>:    andi    a4,a2,4
   0x00fffffff4363fee <+24>:    bnez    a4,0xfffffff4364012 <WTF::equal(WTF::StringImpl const*, unsigned char const*, unsigned int)+60>
   0x00fffffff4363ff0 <+26>:    beqz    a3,0xfffffff4364034 <WTF::equal(WTF::StringImpl const*, unsigned char const*, unsigned int)+94>
   0x00fffffff4363ff2 <+28>:    slli    a3,a3,0x20
   0x00fffffff4363ff4 <+30>:    srli    a3,a3,0x1f
   0x00fffffff4363ff6 <+32>:    add     a3,a3,a0
   0x00fffffff4363ff8 <+34>:    j       0xfffffff4363ffe <WTF::equal(WTF::StringImpl const*, unsigned char const*, unsigned int)+40>
   0x00fffffff4363ffa <+36>:    beq     a3,a0,0xfffffff4364034 <WTF::equal(WTF::StringImpl const*, unsigned char const*, unsigned int)+94>
   0x00fffffff4363ffe <+40>:    lbu     a4,0(a1)
   0x00fffffff4364002 <+44>:    lhu     a5,0(a0)
   0x00fffffff4364006 <+48>:    addi    a1,a1,1
   0x00fffffff4364008 <+50>:    addi    a0,a0,2
   0x00fffffff436400a <+52>:    beq     a4,a5,0xfffffff4363ffa <WTF::equal(WTF::StringImpl const*, unsigned char const*, unsigned int)+36>
   0x00fffffff436400e <+56>:    li      a0,0
   0x00fffffff4364010 <+58>:    ret
   0x00fffffff4364012 <+60>:    slli    a2,a3,0x20
   0x00fffffff4364016 <+64>:    addi    sp,sp,-16
   0x00fffffff4364018 <+66>:    srli    a2,a2,0x20
   0x00fffffff436401a <+68>:    sd      ra,8(sp)
   0x00fffffff436401c <+70>:    auipc   ra,0xff1df
   0x00fffffff4364020 <+74>:    jalr    -652(ra) # 0xfffffff3542d90 <memcmp@plt>
   0x00fffffff4364024 <+78>:    ld      ra,8(sp)
   0x00fffffff4364026 <+80>:    seqz    a0,a0
   0x00fffffff436402a <+84>:    addi    sp,sp,16
   0x00fffffff436402c <+86>:    ret
   0x00fffffff436402e <+88>:    seqz    a0,a1
   0x00fffffff4364032 <+92>:    ret
   0x00fffffff4364034 <+94>:    li      a0,1
   0x00fffffff4364036 <+96>:    ret
End of assembler dump.