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[pull] devel from upx:devel#51
pull[bot] wants to merge 287 commits into
dolfly:develfrom
upx:devel

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@pull pull Bot commented Dec 14, 2025 •
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Created by pull[bot] (v2.0.0-alpha.4)

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jreiser and others added 30 commits December 11, 2025 09:36
@jreiser
WIP riscv64
3013e24 
Use registers x8-x15 as much as possible in order to save space
by using RVC compressed instructions.
Currently: a conflict about x5 between elf-entry and elf-main2.
	modified:   stub/Makefile
	modified:   stub/src/amd64-linux.elf-main2.c
	modified:   stub/src/arch/riscv/64/nrv2b_d.S
	modified:   stub/src/riscv64-expand.S
	modified:   stub/src/riscv64-getbit.S
	modified:   stub/src/riscv64-getbit.h
	modified:   stub/src/riscv64-linux.elf-entry.S
	modified:   stub/src/riscv64-linux.elf-fold.S
@jreiser
riscv64 stub de-compressor now works except for escape hatch
072f452 
nrv2b only; also needs cleanup for no filtering
	modified:   stub/src/amd64-linux.elf-main2.c
	modified:   stub/src/arch/riscv/64/nrv2b_d.S
	modified:   stub/src/riscv64-expand.S
	modified:   stub/src/riscv64-linux.elf-entry.S
	modified:   stub/src/riscv64-linux.elf-fold.S
	modified:   stub/src/riscv64-linux.elf-main2.c
@jreiser
riscv64 stub enters the PT_LOAD!
d896d26 
but execution of de-compressed testcase fails with:
Inconsistency detected by ld.so: rtld.c: 1683: dl_main: Assertion `GL(dl_rtld_map).l_libname->next == NULL failed!
	modified:   stub/src/amd64-linux.elf-main2.c
	modified:   stub/src/riscv64-linux.elf-fold.S
	modified:   stub/riscv64-linux.elf-entry.h
	modified:   stub/riscv64-linux.elf-fold.h
@jreiser
whitespace
a41b74b 
	modified:   stub/src/amd64-linux.elf-main2.c
	modified:   stub/src/arch/riscv/64/nrv2b_d.S
	modified:   stub/src/riscv64-expand.S
	modified:   stub/src/riscv64-getbit.S
	modified:   stub/src/riscv64-linux.elf-entry.S
	modified:   stub/src/riscv64-linux.elf-fold.S
@jreiser
riscv64 nrv2e is working
6df2989 
Also lzma for riscv64 was compiled (but not glued-in)
	modified:   p_lx_elf.cpp
	modified:   packer.cpp
	modified:   stub/src/arch/riscv/64/Makefile.extra
	modified:   stub/src/arch/riscv/64/bxx.S
	modified:   stub/src/arch/riscv/64/lzma_d_cf.S
	modified:   stub/src/arch/riscv/64/lzma_d_cn.S
	modified:   stub/src/arch/riscv/64/lzma_d_cs.S
	modified:   stub/src/arch/riscv/64/nrv2b_d.S
	modified:   stub/src/arch/riscv/64/nrv2d_d.S
	modified:   stub/src/arch/riscv/64/nrv2e_d.S
	modified:   stub/src/riscv64-expand.S
	modified:   stub/src/riscv64-getbit.h
	modified:   stub/src/riscv64-linux.elf-fold.S
	   plus generated *.h
@jreiser
Riscv64 stub gets into ld-linux
4a8e220 
	modified: README.SRC
	modified: src/stub/Makefile
	modified: src/stub/src/amd64-linux.elf-main2.c
@jreiser
riscv64 WIP
5b1721e 
	modified:   README.SRC
	modified:   src/stub/src/amd64-linux.elf-main2.c
	modified:   src/stub/src/riscv64-linux.elf-fold.S
@jreiser
riscv64 WIP
839fdf2 
(gdb) bt
    at ./elf/rtld.c:1783
    dl_main=dl_main@entry=0x2aaaab2bfcf0 <dl_main>) at ../sysdeps/unix/sysv/linux/dl-sysdep.c:140

	modified:   src/stub/src/amd64-linux.elf-main2.c
	modified:   src/stub/src/riscv64-linux.elf-entry.S
	modified:   src/stub/src/riscv64-linux.elf-fold.S
@jreiser
riscv64 works on testcase
1563ae7 
"gcc -O" was buggy.  Also minor tweaks.
	modified:   src/stub/Makefile
	modified:   src/stub/src/amd64-linux.elf-main2.c
	modified:   src/stub/src/riscv64-linux.elf-fold.S
	   plus generated .h .map
@jreiser
riscv64 gets into lzma
f927a31 
	modified:   src/stub/src/arch/riscv/64/lzma_d.S
	modified:   src/stub/src/riscv64-expand.S
@jreiser
riscv64 works.
c248a22 
NYI on riscv64:
  PC-relative filtering of AUIPC and JAL for tighter compression
  LZMA debugging

	modified:   p_lx_elf.cpp
	modified:   stub/riscv64-linux.elf-entry.h
	modified:   stub/riscv64-linux.elf-fold.h
	modified:   stub/src/arch/riscv/64/Makefile.extra
	modified:   stub/src/arch/riscv/64/lzma_d.S
	modified:   stub/src/arch/riscv/64/lzma_d_cf.S
	modified:   stub/src/arch/riscv/64/lzma_d_cn.S
	modified:   stub/src/arch/riscv/64/lzma_d_cs.S
	modified:   stub/src/arch/riscv/64/nrv2b_d.S
	modified:   stub/src/arch/riscv/64/nrv2d_d.S
	modified:   stub/src/arch/riscv/64/nrv2e_d.S
	modified:   stub/src/riscv64-expand.S
	modified:   stub/src/riscv64-getbit.S
	modified:   stub/src/riscv64-getbit.h
@jreiser
riscv64 stubtools for CI
605a34a 
gcc-riscv64-linux-gnu  binutils-riscv64-linux-gnu
	modified:   .github/workflows/ci.yml

Including minor clang-format adjustments:
	modified:   src/linker.cpp
	modified:   src/packer.cpp
	modified:   src/packer.h
@jreiser
riscv64 stubtools for CI
38d019a 
gcc-riscv64-linux-gnu  binutils-riscv64-linux-gnu
	modified:   .github/workflows/ci.yml
	modified:   src/stub/src/arch/riscv/64/Makefile.extra
	modified:   src/stub/src/arch/riscv/64/lzma_d_cf.S
	modified:   src/stub/src/arch/riscv/64/lzma_d_cn.S
	modified:   src/stub/src/arch/riscv/64/lzma_d_cs.S

Including minor clang-format adjustments:
	modified:   src/linker.cpp
	modified:   src/packer.cpp
	modified:   src/packer.h
@jreiser
riscv64 stubtools for CI
c1560c9 
gcc-riscv64-linux-gnu  binutils-riscv64-linux-gnu
	modified:   .github/workflows/ci.yml
	modified:   src/stub/src/arch/riscv/64/Makefile.extra
	modified:   src/stub/src/arch/riscv/64/lzma_d_cf.S
	modified:   src/stub/src/arch/riscv/64/lzma_d_cn.S
	modified:   src/stub/src/arch/riscv/64/lzma_d_cs.S
	modified:   src/stub/riscv64-linux.elf-fold.h

Including minor clang-format adjustments:
	modified:   src/linker.cpp
	modified:   src/packer.cpp
	modified:   src/packer.h
@jreiser
riscv64 stubtools for CI
1ab53e7 
gcc-riscv64-linux-gnu  binutils-riscv64-linux-gnu
	modified:   .github/workflows/ci.yml
	modified:   src/stub/src/arch/riscv/64/Makefile.extra
	modified:   src/stub/src/arch/riscv/64/lzma_d_cf.S
	modified:   src/stub/src/arch/riscv/64/lzma_d_cn.S
	modified:   src/stub/src/arch/riscv/64/lzma_d_cs.S
	modified:   src/stub/riscv64-linux.elf-fold.h
	modified:   ../misc/testsuite/upx_testsuite_1-expected_sha256sums.sh

Including minor clang-format adjustments:
	modified:   src/linker.cpp
	modified:   src/packer.cpp
	modified:   src/packer.h
@jreiser
Mixing python3 strings with bytes requires .encode and .decode
f78053e 
	modified:   stub/scripts/bin2h.py
	modified:   stub/scripts/brandelf.py
	modified:   stub/scripts/gpp_inc.py
	modified:   stub/scripts/xstrip.py
@jreiser
More python3
3bec51d 
	modified:   scripts/brandelf.py
	modified:   scripts/gpp_inc.py
	modified:   src/arch/i086/cleanasm.py
@jreiser
Update README.SRC to enable success by newbies.
84973d8 
Need i386 version of zlib, updated libmfpr.so, g++ (not clang++).
#938
	modified:   README.SRC
@markus-oberhumer @jreiser
CI updates
e607840
@markus-oberhumer @jreiser
CI updates
2746d7e
@markus-oberhumer @jreiser
CI updates
c1333d9
@markus-oberhumer @jreiser
CI updates
73eb523
@markus-oberhumer @jreiser
CI updates
82f7df0
@jreiser
Fix unpack of PackLinuxI386 for upx version 11
360afa5 
Old b_info without .b_method
#942
        modified:   p_unix.cpp
@markus-oberhumer @jreiser
CI updates
78ed32e
@markus-oberhumer @jreiser
CI updates
db2a1a8
@markus-oberhumer @jreiser
CI updates
0864aab
@markus-oberhumer @jreiser
CI updates
68936b6
@markus-oberhumer @jreiser
CI updates
5ffc724
@jreiser
bb1
4d67701 
	modified:   src/p_lx_elf.cpp
netliomax25-code and others added 24 commits July 9, 2026 17:22
@netliomax25-code @markus-oberhumer
validate .shstrtab sh_offset/sh_size and bound sh_name to buffer
83cdb4e
@netliomax25-code @markus-oberhumer
bound gnu_hash chain against DT_SYMTAB in elf_lookup
69e8383
@markus-oberhumer
CI updates
b6c1a74
@markus-oberhumer
CI updates
ad21b6a
@markus-oberhumer
CI updates
ac51ef1
@markus-oberhumer
CI updates
a54b5f6
@markus-oberhumer
CI updates
b9a31e3
@markus-oberhumer
CI updates
c0c6118
@markus-oberhumer
CI updates
3408ed7
@markus-oberhumer
CI updates
e0d6517
@markus-oberhumer
CI updates
6a54a41
@srlehn @markus-oberhumer
elf: allow .shstrtab name to end exactly at EOF
343c717
@markus-oberhumer
CI updates
7d72ca6
@markus-oberhumer
CI updates
9ac3f41
@jreiser
Stub must delay extra page for escape hatch if needed
d148c1f 
#18898
	modified:   misc/testsuite/upx_testsuite_1-expected_sha256sums.sh
	modified:   src/stub/src/amd64-linux.elf-main2.c
	modified:   src/stub/src/i386-linux.elf-main2.c
	modified:   src/stub/src/powerpc64-expand.S
	modified:   src/stub/Makefile
          plus generated stub/*.h, *.map
@jreiser
Stub must delay extra page for escape hatch if needed
67e112e 
#18898
	modified:   misc/testsuite/upx_testsuite_1-expected_sha256sums.sh
	modified:   src/stub/src/amd64-linux.elf-main2.c
	modified:   src/stub/src/i386-linux.elf-main2.c
	modified:   src/stub/src/powerpc64-expand.S
	modified:   src/stub/Makefile
          plus generated stub/*.h, *.map
@jreiser
Stub must delay extra page for escape hatch if needed
a3e9d10 
#18898
	modified:   misc/testsuite/upx_testsuite_1-expected_sha256sums.sh
	modified:   src/stub/src/amd64-linux.elf-main2.c
	modified:   src/stub/src/i386-linux.elf-main2.c
	modified:   src/stub/src/powerpc64-expand.S
	new file:   src/stub/src/powerpc64le-linux.elf-help_umf.S
	modified:   src/stub/Makefile
          plus generated stub/*.h, *.map
@jreiser
Stub for shlib delays extra page for excape hatch if needed
cd62b75 
Also pacify valgrind for unused space at end of escape hatch.
#18898

	modified:   ../misc/testsuite/upx_testsuite_1-expected_sha256sums.sh
	modified:   stub/src/i386-linux.elf-so_main.c
	modified:   stub/src/i386-linux.elf-main2.c
	modified:   stub/src/amd64-linux.elf-so_main.c
	modified:   stub/src/amd64-linux.elf-main2.c
          plus generated *.h, *.map
@markus-oberhumer @jreiser
CI updates
4a8b374
@markus-oberhumer @jreiser
CI updates
94c31a5
@markus-oberhumer @jreiser
CI updates
c7897d6
@jreiser
Cleanup; avoid x18 "platform register" for arm64
9f622dc 
	modified:   stub/src/arm64-linux.elf-entry.S
@jreiser
PE: allow ddirsentries < 16, and cap at 16, too
192f6e6 
#18897  (PE portion)
	modified:   src/p_w32pe_i386.cpp
	modified:   src/p_w32pe_i386.h
	modified:   src/p_w64pe_amd64.cpp
	modified:   src/p_w64pe_amd64.h
	modified:   src/p_w64pe_arm64.cpp
	modified:   src/p_w64pe_arm64.h
	modified:   src/p_wince_arm.cpp
	modified:   src/p_wince_arm.h
	modified:   src/pefile.cpp
	modified:   src/pefile.h

          plus artifacts of flubbed rebasing:
	modified:   src/stub/riscv64-linux.elf-so_fold.h
	modified:   src/stub/src/amd64-linux.elf-so_main.c
	modified:   src/stub/src/i386-linux.elf-so_main.c
	modified:   misc/testsuite/upx_testsuite_1-expected_sha256sums.sh
	modified:   p_lx_elf.cpp
	modified:   filter/filter_impl.cpp
@jreiser
FIx casting errors
b221b5c 
	modified:   src/stub/src/amd64-linux.elf-so_main.c
	modified:   src/stub/src/i386-linux.elf-so_main.c
	modified:   src/stub/mips.r3000-linux.elf-so_fold.h
	modified:   src/stub/mipsel.r3000-linux.elf-so_fold.h
markus-oberhumer and others added 5 commits August 13, 2026 14:56
@markus-oberhumer
CI updates
e311434
@markus-oberhumer
CI updates
b1d0030
@markus-oberhumer
CI updates
aeb180b
@markus-oberhumer
CI updates
ce1dc1b
@jreiser
amd64 stub: fix bug with large number of environment variables
6295d19 
#958
	modified:   misc/testsuite/upx_testsuite_1-expected_sha256sums.sh
	modified:   src/stub/amd64-linux.elf-fold.h
	modified:   src/stub/src/amd64-linux.elf-fold.S
	modified:   src/stub/tmp/amd64-linux.elf-fold.map
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6 participants

@jreiser @markus-oberhumer @johnsonjh @netliomax25-code @peterlodri-sec @srlehn