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ELF2 for i386-linux main programs

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OpenBSD and NetBSD main programs probably need work.
	modified:   ../misc/testsuite/upx_testsuite_1-expected_sha256sums.sh
	modified:   p_lx_elf.cpp
	modified:   stub/Makefile
	modified:   stub/src/i386-linux.elf-entry.S
	new file:   stub/src/i386-linux.elf-entry.lds
	modified:   stub/src/i386-linux.elf-fold.S
	modified:   stub/src/i386-linux.elf-fold.lds
	new file:   stub/src/i386-linux.elf-main2.c
	new file:   stub/src/i386-linux.elf-so_entry.lds
	modified:   stub/src/upxfd_android.c
           plus generated *.h *.map *.dump
This commit is contained in:
John Reiser
2024-07-07 17:52:26 -07:00
parent 83e2df4c46
commit f7cab0cf71
29 changed files with 4047 additions and 3808 deletions
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src/p_lx_elf.cpp
+6 -4
View File
@@ -1496,7 +1496,7 @@ PackLinuxElf32::buildLinuxLoader(
method = M_NRV2B_8; //only ARM v6 and above has unaligned fetch
} // end shlib
else if (0
//ELF2 NYI || this->e_machine==Elf32_Ehdr::EM_386
|| this->e_machine==Elf32_Ehdr::EM_386
//ELF2 NYI || this->e_machine==Elf32_Ehdr::EM_MIPS
//ELF2 NYI || this->e_machine==Elf32_Ehdr::EM_PPC
//ELF2 NYI || this->e_machine==Elf32_Ehdr::EM_ARM
@@ -1567,10 +1567,11 @@ PackLinuxElf32::buildLinuxLoader(
linker->addSection("FOLDEXEC", mb_cprLoader, sizeof(b_info) + sz_cpr, 0);
if (xct_off // shlib
&& (0
|| this->e_machine==Elf32_Ehdr::EM_ARM
//ELF2 NYI || this->e_machine==Elf32_Ehdr::EM_ARM
//ELF2 NYI || this->e_machine==Elf32_Ehdr::EM_MIPS
//ELF2 NYI || this->e_machine==Elf32_Ehdr::EM_PPC
|| this->e_machine==Elf32_Ehdr::EM_386)
|| this->e_machine==Elf32_Ehdr::EM_386
)
) { // shlib with ELF2 de-compressor
addLoader("ELFMAINX,ELFMAINZ,FOLDEXEC,IDENTSTR");
}
@@ -1578,7 +1579,7 @@ PackLinuxElf32::buildLinuxLoader(
//ELF2 NYI || this->e_machine==Elf32_Ehdr::EM_ARM
//ELF2 NYI || this->e_machine==Elf32_Ehdr::EM_MIPS
//ELF2 NYI || this->e_machine==Elf32_Ehdr::EM_PPC
//ELF2 NYI || this->e_machine==Elf32_Ehdr::EM_386
|| this->e_machine==Elf32_Ehdr::EM_386
) { // main program with ELF2 de-compressor
addLoader("ELFMAINX,ELFMAINZ,FOLDEXEC,IDENTSTR");
defineSymbols(ft);
@@ -3628,6 +3629,7 @@ PackLinuxElf32::generateElfHdr(
h2->phdr[C_TEXT].p_vaddr = h2->phdr[C_BASE].p_vaddr;
h2->phdr[C_TEXT].p_paddr = h2->phdr[C_BASE].p_vaddr;
set_te32(&h2->phdr[C_BASE].p_type, PT_LOAD32); // be sure
set_te32(&h2->phdr[C_TEXT].p_type, PT_LOAD32); // be sure
h2->phdr[C_BASE].p_offset = 0;
h2->phdr[C_BASE].p_filesz = 0;
// .p_memsz = brka; temporary until sz_pack2