host add-wasm-export tool source code by qianxichen233 · Pull Request #990 · Lind-Project/lind-wasm

qianxichen233 · 2026-03-27T19:25:23Z

Custom tool to add wasm exports to existing wasm binary, used as part of the dynamic loading support

This PR only uploads source code, compiled binary are uploaded together with dynamic loading PR: #911

github-actions · 2026-03-27T19:50:42Z

End-to-End Test Report

Test Preview

Unified Test Report

grate harness

Metric	Value
Total	10
Success	10
Failures	0
Compile Failures	0
Runtime Failures	0
Timeout Failures	0
Missing Pair Failures	0

Cases

Test	Status	Output
concurrent-request/geteuid_grate.c	Success	STDOUT: [Grate\|geteuid] Registering geteuid handler for cage 2 in grate 1 with fn ptr addr: 3 [Cage \| geteuid] PASS: 1000000 calls returned 10 [Grate\|geteuid] PASS STDERR:
interposing-calls/interpose-exec_grate.c	Success	STDOUT: [Grate\|interpose-exec] Registering exec handler for cage 2 in grate 1 with fn ptr addr: 3 [Grate\|interpose-exec] Handling function ptr: 3 from cage: 1 [Grate\|interpose-exec] In exec_grate 1 handler for cage: 1 [Grate\|interpose-exec] Handling function ptr: 3 from cage: 1 [Grate\|interpose-exec] In exec_grate 1 handler for cage: 1 Exec successful, argv[1]: --execd [Grate\|interpose-exec] PASS STDERR:
interposing-calls/interpose-exit_grate.c	Success	STDOUT: [Grate\|interpose-exit] Registering exit handler for cage 2 in grate 1 with fn ptr addr: 3 Exiting... [Grate\|interpose-exit] PASS STDERR:
interposing-calls/interpose-fork_grate.c	Success	STDOUT: [Grate\|interpose-fork] Registering fork handler for cage 2 in grate 1 with fn ptr addr: 3 [Grate\|interpose-fork] Handling function ptr: 3 from cage: 1 [Grate\|interpose-fork] In fork_grate 1 handler for cage: 1 [Grate\|interpose-fork] PASS STDERR:
interposing-calls/interpose-mmap_grate.c	Success	STDOUT: [Grate\|interpose-mmap] Registering mmap handler for cage 2 in grate 1 with fn ptr addr: 3 [Grate\|interpose-mmap] Handling function ptr: 3 from cage: 1 [Grate\|interpose-mmap] In mmap_grate 1 handler for cage: 1 [Grate\|interpose-mmap] Handling function ptr: 3 from cage: 1 [Grate\|interpose-mmap] In mmap_grate 1 handler for cage: 1 mmap test: PASS [Grate\|interpose-mmap] PASS STDERR:
interposing-calls/interpose-register_grate.c	Success	STDOUT: [Grate\|interpose-register] Registering register_handler for cage 2 in grate 1 with fn ptr addr: 4 [cage] registering 107. grateid: 2 cageid: 3 [Grate\|interpose-register] Handling function ptr: 4 from cage: 1 [Grate\|interpose-register] In register_grate 1 handler for cage: 1 [Grate\|geteuid] Registering geteuid handler for cage 1 in grate 1 with fn ptr addr: 3 [Grate\|interpose-register] Handling function ptr: 3 from cage: 1 [Grate\|interpose-register] In register_grate 1 handler for cage: 1 [Grate\|interpose-register] PASS STDERR:
multi-register_grate.c	Success	STDOUT: [Grate\|multi-register_grate] Registering geteuid handler for cage 2 in grate 1 with fn ptr addr: 3 [Grate\|multi-register_grate] Registering getuid handler for cage 2 in grate 1 with fn ptr addr: 4 [Grate\|multi-register_grate] Handling function ptr: 3 from cage: 1 [Grate\|multi-register_grate] In multi-register_grate 1 handler for cage: 1 [Grate\|multi-register_grate] Handling function ptr: 4 from cage: 1 [Grate\|multi-register_grate] In multi-register_grate 1 handler for cage: 1 [Cage \| multi-register] PASS: geteuid=10, getuid=20 [Grate\|multi-register] PASS STDERR:
race-test_grate.c	Success	STDOUT: pass STDERR:
simple-tests/cpdata_grate.c	Success	STDOUT: [Grate\|open] intercepts open call: thiscage=1, arg1cage=2 [Grate\|open] copied pathname: random [cage] fd=10 STDERR:
simple-tests/geteuid_grate.c	Success	STDOUT: [Grate\|geteuid] Registering geteuid handler for cage 2 in grate 1 with fn ptr addr: 3 [Grate\|geteuid] Handling function ptr: 3 from cage: 1 [Grate\|geteuid] In geteuid_grate 1 handler for cage: 1 [Cage \| geteuid] PASS: geteuid ret = 10 [Grate\|geteuid] PASS STDERR:

wasm harness

Test Report

Deterministic Tests

Summary

Metric	Count
Total Test Cases	197
Number of Successes	197
Number of Failures	0
Number of Compilation Failure Native	0
Number of Runtime Failure Native	0
Number of Segmentation Fault Native	0
Number of Timeout During Native	0
Number of Lind Wasm Compile Failure	0
Number of Lind Wasm Runtime Failure	0
Number of Lind Wasm Segmentation Failure	0
Number of Timeout During Lind Wasm run	0
Number of Unknown Failure	0
Number of C Compiler and Wasm Output mismatch	0
Number of Fail Test: Native Succeeded (Should Fail)	0
Number of Fail Test: Wasm Succeeded (Should Fail)	0
Number of Fail Test: Both Native and Wasm Succeeded (Should Fail)	0
Number of Fail Test: Native Compilation Failure (Should Succeed)	0
Number of Fail Test: Wasm Compilation Failure (Should Succeed)	0

Test Results by Category

Test Case	Status	Error Type	Native Time	Wasm Time	Output
File Tests
chartests.c	Success	None	0.046907s	4.334903s	Success
chdir_getcwd.c	Success	None	0.048248s	4.333223s	Success
chmod.c	Success	None	0.055940s	4.340459s	Success
clock_gettime_highlevel.c	Success	None	0.122044s	4.534602s	Success
clock_gettime_simple.c	Success	None	0.043358s	4.306441s	Success
cloexec.c	Success	None	0.051405s	4.007895s	Success
close.c	Success	None	0.058334s	4.352828s	Success
creat_access.c	Success	None	0.051331s	4.362407s	Success
doubleclose.c	Success	None	0.042749s	3.924179s	Success
dup.c	Success	None	0.043067s	4.285865s	Success
dup2.c	Success	None	0.049099s	3.963080s	Success
dup3.c	Success	None	0.048202s	4.332773s	Success
dupwrite.c	Success	None	0.053454s	3.916302s	Success
etc_conf.c	Success	None	0.046326s	4.328702s	Success
fchdir.c	Success	None	0.054644s	4.387606s	Success
fchmod.c	Success	None	0.052519s	4.350330s	Success
fcntl.c	Success	None	0.049233s	4.298775s	Success
fdatasync.c	Success	None	0.048483s	4.332990s	Success
filetest.c	Success	None	0.050317s	3.910789s	Success
filetest1000.c	Success	None	0.058586s	3.949877s	Success
flock.c	Success	None	0.059260s	4.424945s	Success
fstat.c	Success	None	0.053105s	4.305710s	Success
fstatfs.c	Success	None	0.046244s	4.314578s	Success
fsync.c	Success	None	0.051184s	4.331772s	Success
ftruncate.c	Success	None	0.054111s	4.367446s	Success
getcwd.c	Success	None	0.046504s	4.313833s	Success
getrandom.c	Success	None	0.049535s	4.335787s	Success
ioctl.c	Success	None	0.054063s	4.328290s	Success
link.c	Success	None	0.054677s	4.354520s	Success
locale_test.c	Success	None	0.064086s	6.132840s	Success
lseek.c	Success	None	0.055199s	4.354022s	Success
mkdir_rmdir.c	Success	None	0.052057s	4.363585s	Success
mkfifo_test.c	Success	None	0.057162s	4.410365s	Success
mknod.c	Success	None	0.049137s	4.326739s	Success
nocancel_io.c	Success	None	0.054865s	5.552133s	Success
open.c	Success	None	0.046960s	4.313559s	Success
openat.c	Success	None	0.046144s	4.329438s	Success
path_conversion_safety.c	Success	None	0.056371s	4.348885s	Success
pread_pwrite.c	Success	None	0.048744s	4.333986s	Success
printf.c	Success	None	0.043286s	3.917753s	Success
prlimit64.c	Success	None	0.044172s	3.941949s	Success
read.c	Success	None	0.053270s	4.353706s	Success
readbytes.c	Success	None	0.050094s	3.950829s	Success
readlink.c	Success	None	0.050280s	4.315320s	Success
readlinkat.c	Success	None	0.053288s	4.316773s	Success
readv_writev_test.c	Success	None	0.054840s	4.389322s	Success
rename.c	Success	None	0.054704s	4.342226s	Success
sc-writev.c	Success	None	0.052920s	4.295057s	Success
stat.c	Success	None	0.052802s	4.347314s	Success
statfs.c	Success	None	0.048100s	4.339689s	Success
sync_file_range.c	Success	None	0.048813s	4.319362s	Success
timespec_time_t_compat.c	Success	None	0.048105s	5.607255s	Success
truncate.c	Success	None	0.051768s	4.314874s	Success
unlink.c	Success	None	0.055258s	4.362338s	Success
unlinkat.c	Success	None	0.052730s	4.327723s	Success
write.c	Success	None	0.044705s	3.913652s	Success
writeloop.c	Success	None	0.056438s	3.939093s	Success
writepartial.c	Success	None	0.052762s	3.928100s	Success
writev.c	Success	None	0.054687s	4.344077s	Success
Math Tests
math_link_smoke.c	Success	None	0.055587s	3.992946s	Success
math_tests.c	Success	None	0.059844s	4.126853s	Success
Memory Tests
brk.c	Success	None	0.048827s	4.298531s	Success
fork_large_memory.c	Success	None	0.081766s	4.525107s	Success
malloc.c	Success	None	0.047300s	3.944870s	Success
malloc_large.c	Success	None	0.046763s	4.377343s	Success
memcpy.c	Success	None	0.046933s	3.911554s	Success
memory_error_test.c	Success	None	0.051851s	4.313813s	Success
mmap.c	Success	None	0.043309s	4.284977s	Success
mmap_aligned.c	Success	None	0.047339s	4.372191s	Success
mmap_complicated.c	Success	None	0.051204s	4.433188s	Success
mmap_file.c	Success	None	0.050914s	4.290831s	Success
mmap_shared.c	Success	None	0.051030s	4.355391s	Success
mmaptest.c	Success	None	0.046393s	4.319731s	Success
mprotect.c	Success	None	0.046602s	4.366568s	Success
mprotect_boundary.c	Success	None	0.047723s	4.355562s	Success
mprotect_end_region.c	Success	None	0.045076s	4.409468s	Success
mprotect_middle_region.c	Success	None	0.045503s	4.341300s	Success
mprotect_multiple_times.c	Success	None	0.045680s	4.313014s	Success
mprotect_same_value.c	Success	None	0.044697s	4.421008s	Success
mprotect_spanning_regions.c	Success	None	0.047659s	4.333958s	Success
sbrk.c	Success	None	0.048340s	4.336313s	Success
segfault.c	Success	None	0.052865s	4.388534s	Success
shm.c	Success	None	0.052589s	4.360411s	Success
shmtest.c	Success	None	0.044797s	4.299431s	Success
tcache_test.c	Success	None	0.054941s	4.567730s	Success
thread_malloc_sequential.c	Success	None	0.054638s	4.476353s	Success
vtable.c	Success	None	0.058503s	3.987951s	Success
Networking Tests
accept4.c	Success	None	0.059130s	4.405168s	Success
dns_resolve_test.c	Success	None	0.051716s	6.046911s	Success
dnstest.c	Success	None	0.050444s	4.290995s	Success
epoll_edge_triggered.c	Success	None	0.208426s	4.532757s	Success
epollcreate1.c	Success	None	0.054444s	4.305959s	Success
error_handling_net.c	Success	None	0.060211s	4.356461s	Success
getaddrinfo_test.c	Success	None	0.054954s	6.005288s	Success
getaddrinfo_unspec.c	Success	None	0.063718s	5.978469s	Success
gethostname.c	Success	None	0.044452s	3.921347s	Success
getifaddrs.c	Success	None	0.054540s	4.428938s	Success
getsockname.c	Success	None	0.054662s	4.371756s	Success
getsockopt.c	Success	None	0.054908s	4.312738s	Success
ipv6_basic.c	Success	None	0.054967s	4.366628s	Success
makepipe.c	Success	None	0.043808s	3.906580s	Success
nonblocking_eagain.c	Success	None	0.056026s	4.331613s	Success
pipe.c	Success	None	0.053979s	4.341670s	Success
pipe2.c	Success	None	0.052161s	4.291688s	Success
pipeinput.c	Success	None	0.056795s	4.399620s	Success
pipeinput2.c	Success	None	0.054950s	4.356584s	Success
pipeonestring.c	Success	None	0.054373s	4.359558s	Success
pipepong.c	Success	None	0.052745s	4.375369s	Success
pipewrite.c	Success	None	0.047871s	4.281221s	Success
poll.c	Success	None	0.051021s	4.318573s	Success
recvfrom-sendto.c	Success	None	0.052359s	4.324535s	Success
sendmsg_recvmsg_test.c	Success	None	0.052093s	4.331328s	Success
serverclient.c	Success	None	0.051817s	3.971636s	Success
shutdown.c	Success	None	0.053365s	3.934028s	Success
shutdown_fork.c	Success	None	0.052805s	4.362870s	Success
simple-select.c	Success	None	0.056237s	4.447453s	Success
simple_epoll.c	Success	None	0.051330s	4.297316s	Success
socket.c	Success	None	0.050004s	3.940073s	Success
socket_cloexec.c	Success	None	0.051766s	4.356105s	Success
socket_options_advanced.c	Success	None	0.056404s	4.335539s	Success
socketepoll.c	Success	None	0.050252s	3.941007s	Success
socketpair.c	Success	None	0.050183s	4.344841s	Success
socketselect.c	Success	None	0.050313s	4.284801s	Success
udp_send_recv.c	Success	None	0.161080s	4.593369s	Success
uds-getsockname.c	Success	None	0.053329s	4.383032s	Success
uds-nb-select.c	Success	None	2.061724s	6.615054s	Success
uds-serverclient.c	Success	None	0.057545s	4.378669s	Success
uds-socketselect.c	Success	None	0.053629s	3.961659s	Success
writev_socket.c	Success	None	0.059985s	4.473462s	Success
Process Tests
barrier_test.c	Success	None	0.050182s	4.467119s	Success
chain_thread.c	Success	None	1.052944s	5.475719s	Success
ctor_syscall_test.c	Success	None	0.041843s	4.329800s	Success
cxa_atexit_test.c	Success	None	0.047613s	3.930672s	Success
execve_shebang.c	Success	None	0.051360s	4.335592s	Success
exit.c	Success	None	0.050464s	3.901006s	Success
exit_failure.c	Success	None	0.050835s	3.977204s	Success
exit_group_thread.c	Success	None	0.054847s	4.595559s	Success
flockfile_test.c	Success	None	0.054862s	4.542754s	Success
fork2malloc.c	Success	None	0.052402s	4.369685s	Success
fork_select.c	Success	None	0.052040s	4.377991s	Success
fork_simple.c	Success	None	0.049868s	4.392528s	Success
fork_syscall.c	Success	None	0.056100s	4.445337s	Success
fork_tls_ctype.c	Success	None	0.055053s	4.378847s	Success
forkandopen.c	Success	None	0.056725s	4.396903s	Success
forkdup.c	Success	None	0.053201s	4.006488s	Success
forkexecuid.c	Success	None	0.049262s	4.426350s	Success
forkexecv-arg.c	Success	None	0.050574s	4.434976s	Success
forkexecv.c	Success	None	0.049041s	4.437502s	Success
forkfiles.c	Success	None	0.054809s	4.412898s	Success
forkmalloc.c	Success	None	0.051566s	4.369220s	Success
forknodup.c	Success	None	0.055256s	4.414713s	Success
function-ptr.c	Success	None	0.046331s	4.303066s	Success
getegid_syscall.c	Success	None	0.053046s	4.389940s	Success
getgid_syscall.c	Success	None	0.053287s	4.404774s	Success
getpid.c	Success	None	0.045093s	4.333343s	Success
getpid_syscall.c	Success	None	0.053400s	4.406289s	Success
getppid.c	Success	None	0.052223s	4.411625s	Success
getppid_syscall.c	Success	None	0.055420s	4.409270s	Success
getuid.c	Success	None	0.052767s	4.369876s	Success
getuid_syscall.c	Success	None	0.051681s	4.481959s	Success
hello-arg.c	Success	None	0.045025s	3.913129s	Success
hello.c	Success	None	0.042754s	3.929065s	Success
longjmp.c	Success	None	0.044609s	3.961713s	Success
mutex.c	Success	None	2.055944s	6.617438s	Success
printf_deadlock_smoke.c	Success	None	0.060737s	4.631913s	Success
printf_thread_test.c	Success	None	0.050284s	4.515172s	Success
sem_forks.c	Success	None	0.055136s	4.403311s	Success
setsid.c	Success	None	0.045031s	3.948486s	Success
template.c	Success	None	0.050968s	4.404427s	Success
test_exec_nofork.c	Success	None	0.053551s	4.473696s	Success
test_unlink_open_file.c	Success	None	0.047445s	3.954656s	Success
thread-test.c	Success	None	0.048639s	4.442097s	Success
thread.c	Success	None	0.046386s	4.475750s	Success
thread_cageid_race.c	Success	None	0.047133s	4.502743s	Success
tls_test.c	Success	None	0.050093s	4.475213s	Success
uname.c	Success	None	0.045939s	4.326627s	Success
wait.c	Success	None	2.049037s	6.053340s	Success
waitpid_anychild.c	Success	None	0.051008s	4.391799s	Success
waitpid_syscall.c	Success	None	1.051476s	5.351040s	Success
waitpid_wnohang.c	Success	None	0.052202s	4.030031s	Success
Signal Tests
alarm.c	Success	None	7.050965s	10.981725s	Success
eintr_fork_signal.c	Success	None	1.056451s	5.450730s	Success
kill.c	Success	None	1.067280s	5.442871s	Success
setitimer.c	Success	None	7.051105s	10.971355s	Success
sigalrm.c	Success	None	2.054349s	5.994296s	Success
sigchld.c	Success	None	1.054207s	4.993968s	Success
signal-fork.c	Success	None	4.055916s	8.045971s	Success
signal-simple.c	Success	None	0.053663s	4.030085s	Success
signal_SIGCHLD.c	Success	None	0.050357s	4.391385s	Success
signal_fork.c	Success	None	0.048690s	4.394750s	Success
signal_int_ignored.c	Success	None	2.054837s	6.408886s	Success
signal_kill_cleanup.c	Success	None	1.051550s	5.433774s	Success
signal_procmask.c	Success	None	0.047225s	4.339214s	Success
signal_recursive.c	Success	None	0.047586s	3.940782s	Success
signal_sa_mask.c	Success	None	0.046828s	3.949554s	Success
sigpipe.c	Success	None	1.054847s	5.445179s	Success
sigprocmask.c	Success	None	1.054056s	4.994482s	Success

Fail Tests

Summary

Metric	Count
Total Test Cases	3
Number of Successes	3
Number of Failures	0
Number of Compilation Failure Native	0
Number of Runtime Failure Native	0
Number of Segmentation Fault Native	0
Number of Timeout During Native	0
Number of Lind Wasm Compile Failure	0
Number of Lind Wasm Runtime Failure	0
Number of Lind Wasm Segmentation Failure	0
Number of Timeout During Lind Wasm run	0
Number of Unknown Failure	0
Number of C Compiler and Wasm Output mismatch	0
Number of Fail Test: Native Succeeded (Should Fail)	0
Number of Fail Test: Wasm Succeeded (Should Fail)	0
Number of Fail Test: Both Native and Wasm Succeeded (Should Fail)	0
Number of Fail Test: Native Compilation Failure (Should Succeed)	0
Number of Fail Test: Wasm Compilation Failure (Should Succeed)	0

Test Results by Category

Test Case	Status	Error Type	Native Time	Wasm Time	Output
Memory Tests
mmap-negative1.c	Success	None	0.108086s	4.667741s	Success
mmap-negative2.c	Success	None	0.158689s	4.558339s	Success
Signal Tests
signal_resethand.c	Success	None	1.054060s	5.051721s	Success

qianxichen233 · 2026-03-28T15:50:22Z

let's keep this PR open until the dynamic loading PR is merged, in case I'll need to make additional changes to the tool

qianxichen233 added 2 commits March 27, 2026 19:22

upload add-export-tool source code

f922c34

apply format

902cab4

qianxichen233 requested review from Yaxuan-w and rennergade March 27, 2026 19:25

Provide feedback

Saved searches

Use saved searches to filter your results more quickly

host add-wasm-export tool source code#990

host add-wasm-export tool source code#990
qianxichen233 wants to merge 2 commits intomainfrom
add-wasm-export

qianxichen233 commented Mar 27, 2026

Uh oh!

github-actions bot commented Mar 27, 2026

grate harness

Cases

wasm harness

Test Report

Summary

Test Results by Category

Summary

Test Results by Category

Uh oh!

qianxichen233 commented Mar 28, 2026

Uh oh!

Reviewers

Assignees

Labels

Projects

Milestone

Development

Uh oh!

1 participant

Conversation

qianxichen233 commented Mar 27, 2026

Uh oh!

github-actions bot commented Mar 27, 2026

End-to-End Test Report

grate harness

Cases

wasm harness

Test Report

Summary

Test Results by Category

Summary

Test Results by Category

Uh oh!

qianxichen233 commented Mar 28, 2026

Uh oh!

Reviewers

Assignees

Labels

Projects

Milestone

Development

Uh oh!

1 participant