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Do not brev() strings in stub for PackLinuxEl32armBe.

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This commit is contained in:
John Reiser 2006-06-13 18:55:26 -07:00
parent dcc704a357
commit 4fc0a32572
2 changed files with 20 additions and 2 deletions
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3
src/Makefile
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@ -18,7 +18,8 @@ ifeq ($(CXX),)
CXX = g++ CXX = g++
endif endif
ifeq ($(CXX),g++) ifeq ($(CXX),g++)
CXXFLAGS += -O2 -MMD #CXXFLAGS += -O2 -MMD
CXXFLAGS += -g -MMD
CXXFLAGS += -Wall -W -Wcast-align -Wcast-qual -Wpointer-arith -Wwrite-strings -Werror CXXFLAGS += -Wall -W -Wcast-align -Wcast-qual -Wpointer-arith -Wwrite-strings -Werror
endif endif
CPPFLAGS += $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) CPPFLAGS += $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES)

19
src/p_lx_elf.cpp
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@ -611,7 +611,24 @@ PackLinuxElf32armBe::buildLoader(const Filter *ft) // FIXME
unsigned const sz_fold = sizeof(linux_elf32arm_fold); unsigned const sz_fold = sizeof(linux_elf32arm_fold);
MemBuffer brev_loader(sz_loader); MemBuffer brev_loader(sz_loader);
MemBuffer brev_fold (sz_fold); MemBuffer brev_fold (sz_fold);
brev(brev_loader, linux_elf32arm_loader, sz_loader);
// linux_elf32arm_loader[] is all instructions, except for two strings
// at the end: the copyright message, and the SELinux message.
// The copyright message begins and ends with '\n', and the SELinux
// message ends with '\n'. So copy back to the third '\n' from the end,
// and apply brev() only before that point.
int nl = 0;
int j;
for (j= sz_loader; --j>=0; ) {
unsigned char const c = linux_elf32arm_loader[j];
brev_loader[j] = c;
if ('\n'==c) {
if (3==++nl) {
break;
}
}
}
brev(brev_loader, linux_elf32arm_loader, j);
brev(brev_fold, linux_elf32arm_fold, sz_fold); brev(brev_fold, linux_elf32arm_fold, sz_fold);
ehdr_bele((Elf_BE32_Ehdr *)brev_fold.getVoidPtr(), (Elf_LE32_Ehdr const *)linux_elf32arm_fold); ehdr_bele((Elf_BE32_Ehdr *)brev_fold.getVoidPtr(), (Elf_LE32_Ehdr const *)linux_elf32arm_fold);
return buildLinuxLoader(brev_loader, sz_loader, brev_fold, sz_fold, ft); return buildLinuxLoader(brev_loader, sz_loader, brev_fold, sz_fold, ft);