ElfLinker::addSection ==> addLoader

This commit is contained in:
John Reiser 2006-08-21 19:52:09 -07:00
commit 117a721166
19 changed files with 1358 additions and 1830 deletions

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@ -8,8 +8,8 @@ PACKAGE = upx
VERSION_DATE := $(shell sed -n 's/^.*UPX_VERSION_DATE_ISO .*"\(.*\)".*/\1/p' $(top_srcdir)/src/version.h)
VERSION := $(shell sed -n 's/^.*UPX_VERSION_STRING .*"\(.*\)".*/\1/p' $(top_srcdir)/src/version.h)
TRIMSPACE = sed -e 's/[ ]*$$//'
DETAB2 = sed -e 's/ / /g'
RTRIM := sed -e 's/[ ]*$$//'
DETAB2 := sed -e 's/ / /g'
BUILT_SOURCES = upx.1 upx.doc upx.html upx.man upx.ps upx.tex
BUILT_SOURCES = upx.1 upx.doc upx.html
@ -34,20 +34,20 @@ mostlyclean clean distclean maintainer-clean:
.SUFFIXES: .1 .doc .html .man .pod .ps .tex
%.1 : %.pod
pod2man --center=" " --release="$(PACKAGE) $(VERSION)" --date="$(VERSION_DATE)" $< | $(TRIMSPACE) > $@
pod2man --center=" " --release="$(PACKAGE) $(VERSION)" --date="$(VERSION_DATE)" $< | $(RTRIM) > $@
%.doc : %.pod
pod2text < $< | $(TRIMSPACE) > $@
pod2text < $< | $(RTRIM) > $@
%.html : %.pod
pod2html --noindex $< | $(TRIMSPACE) | $(DETAB2) > $@
pod2html --noindex $< | $(RTRIM) | $(DETAB2) > $@
@rm -f pod2htm*
%.man : %.1
nroff -man $< | $(TRIMSPACE) > $@
nroff -man $< | $(RTRIM) > $@
%.ps : %.1
groff -man $< | $(TRIMSPACE) > $@
groff -man $< | $(RTRIM) > $@
%.tex : %.pod
pod2latex $<

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@ -285,7 +285,7 @@ void ElfLinker::init(const void *pdata, int plen)
preprocessSections(psections, psymbols);
preprocessSymbols(psymbols, prelocs);
preprocessRelocations(prelocs, (char*) input + inputlen);
addSection("*UND*");
addLoader("*UND*");
}
void ElfLinker::setLoaderAlignOffset(int phase)
@ -294,7 +294,7 @@ void ElfLinker::setLoaderAlignOffset(int phase)
printf("\nFIXME: ElfLinker::setLoaderAlignOffset %d\n", phase);
}
int ElfLinker::addSection(const char *sname)
int ElfLinker::addLoader(const char *sname)
{
assert(!frozen);
if (sname[0] == 0)

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@ -78,7 +78,7 @@ public:
virtual void init(const void *pdata, int plen);
virtual void setLoaderAlignOffset(int phase);
virtual int addSection(const char *sname);
virtual int addLoader(const char *sname);
virtual void addSection(const char *sname, const void *sdata, int slen, int align);
virtual void freeze();
virtual int getSection(const char *sname, int *slen=NULL);

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@ -1027,10 +1027,6 @@ PackLinuxElf32::generateElfHdr(
h2->ehdr.e_shnum = 0;
h2->ehdr.e_shstrndx = 0;
#if 0 //{
unsigned identsize;
char const *const ident = getIdentstr(&identsize);
#endif //}
sz_elf_hdrs = sizeof(*h2) - sizeof(linfo); // default
set_native32(&h2->phdr[0].p_filesz, sizeof(*h2)); // + identsize;
h2->phdr[0].p_memsz = h2->phdr[0].p_filesz;
@ -1081,10 +1077,6 @@ PackOpenBSDElf32x86::generateElfHdr(
h3->ehdr.e_shnum = 0;
h3->ehdr.e_shstrndx = 0;
#if 0 //{
unsigned identsize;
char const *const ident = getIdentstr(&identsize);
#endif //}
sz_elf_hdrs = sizeof(*h3) - sizeof(linfo);
unsigned const note_offset = sz_elf_hdrs;
set_native32(&h3->phdr[0].p_filesz, sizeof(*h3)+sizeof(elfnote)); // + identsize;
@ -1147,10 +1139,6 @@ PackLinuxElf64::generateElfHdr(
h2->ehdr.e_shnum = 0;
h2->ehdr.e_shstrndx = 0;
#if 0 //{
unsigned identsize;
char const *const ident = getIdentstr(&identsize);
#endif //}
sz_elf_hdrs = sizeof(*h2) - sizeof(linfo); // default
set_native64(&h2->phdr[0].p_filesz, sizeof(*h2)); // + identsize;
h2->phdr[0].p_memsz = h2->phdr[0].p_filesz;

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@ -136,10 +136,6 @@ PackLinuxI386::generateElfHdr(
assert(h2->ehdr.e_phentsize == sizeof(Elf32_Phdr));
assert(h2->ehdr.e_shnum == 0);
#if 0 //{
unsigned identsize;
char const *const ident = getIdentstr(&identsize);
#endif //}
h2->phdr[0].p_filesz = sizeof(*h2); // + identsize;
h2->phdr[0].p_memsz = h2->phdr[0].p_filesz;

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@ -633,11 +633,6 @@ void PackTos::pack(OutputFile *fo)
memcpy(obuf+d_off, getLoader() + e_len, d_len);
patchPackHeader(loader, o_text);
#if 0
patchVersionYear(loader, o_text);
if (!opt->small)
patchVersion(loader, o_text);
#endif
// write new file header, loader and compressed file
fo->write(&oh, FH_SIZE);

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@ -828,38 +828,6 @@ int Packer::patch_le32(void *b, int blen, const void *old, unsigned new_)
}
// patch version into stub/ident_n.ash
int Packer::patchVersion(void *b, int blen)
{
int boff = find(b, blen, "$Id: UPX UPXV ", 14);
checkPatch(b, blen, boff, 14);
unsigned char *p = (unsigned char *)b + boff + 9;
if (opt->debug.fake_stub_version[0])
memcpy(p, opt->debug.fake_stub_version, 4);
else
memcpy(p, UPX_VERSION_STRING4, 4);
return boff;
}
// patch year into stub/ident_[ns].ash
int Packer::patchVersionYear(void *b, int blen)
{
int boff = find(b, blen, " 1996-UPXY ", 11);
checkPatch(b, blen, boff, 11);
unsigned char *p = (unsigned char *)b + boff + 6;
if (opt->debug.fake_stub_year[0])
memcpy(p, opt->debug.fake_stub_year, 4);
else
memcpy(p, UPX_VERSION_YEAR, 4);
return boff;
}
/*************************************************************************
// relocation util
**************************************************************************/
@ -986,7 +954,7 @@ int Packer::getLoaderSize() const
// loader util
**************************************************************************/
char const *Packer::getIdentstr(unsigned *size, int small) const
static const char *getIdentstr(unsigned *size, int small)
{
static char identbig[] =
"\n\0"
@ -1066,7 +1034,7 @@ void __acc_cdecl_va Packer::addLoader(const char *s, ...)
while (s != NULL)
{
if (*s)
linker->addSection(s);
linker->addLoader(s);
s = va_arg(ap, const char *);
}
va_end(ap);

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@ -209,7 +209,6 @@ protected:
virtual void freezeLoader();
virtual upx_byte *getLoader() const;
virtual int getLoaderSize() const;
virtual const char *getIdentstr(unsigned *size, int small=-1) const;
virtual void initLoader(const void *pdata, int plen, int small=-1);
#if 1 && (ACC_CC_GNUC >= 0x040100)
virtual void __acc_cdecl_va addLoader(const char *s, ...) __attribute__((__sentinel__));
@ -259,8 +258,6 @@ protected:
int patch_le16(void *b, int blen, const void * old, unsigned new_);
int patch_le32(void *b, int blen, unsigned old, unsigned new_);
int patch_le32(void *b, int blen, const void * old, unsigned new_);
int patchVersion(void *b, int blen);
int patchVersionYear(void *b, int blen);
void checkPatch(void *b, int blen, int boff, int size);
// relocation util

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@ -126,6 +126,8 @@ override T = $(basename $(notdir $@))
# // setup toolchain globals
# ************************************************************************/
RTRIM := sed -e 's/[ ]*$$//'
# default settings for $(tc_list)
tc.default.bin2h = python $(top_srcdir)/src/stub/scripts/bin2h.py
tc.default.brandelf = python $(top_srcdir)/src/stub/scripts/brandelf.py $(if $(tc_bfdname),--bfdname=$(tc_bfdname))
@ -139,7 +141,7 @@ tc.default.sstrip = sstrip
tc.default.m-ld = multiarch-ld-2.17 $(if $(tc_bfdname),-b $(tc_bfdname))
tc.default.m-nm = multiarch-nm-2.17 $(if $(tc_bfdname),--target=$(tc_bfdname))
tc.default.m-objcopy = multiarch-objcopy-2.17 $(if $(tc_bfdname),-F $(tc_bfdname))
tc.default.m-objdump = multiarch-objdump-2.17 $(if $(tc_bfdname),-b $(tc_bfdname))
tc.default.m-objdump = multiarch-objdump-2.17 $(if $(tc_bfdname),-b $(tc_bfdname)) $(if $(tc_bfdarch),-m $(tc_bfdarch))
tc.default.m-readelf = multiarch-readelf-2.17
# default binutils
@ -150,10 +152,11 @@ tc.default.objdump = $(call tc,m-objdump)
tc.default.objstrip = $(call tc,objcopy) -R .comment -R .note -R .reginfo
define tc.default.embed_objinfo
$(call tc,m-objdump) -D $2 | $(RTRIM) > $2.disasm
$(call tc,m-objcopy) --strip-unneeded $2
$(call tc,m-objcopy) -R .text -R .data -R .bss $2
$(call tc,m-objcopy) -R .comment -R .note -R .reginfo $2
$(call tc,m-objdump) -trwh $2 | sed -e 's/[ ]*$$//' > $2.dump
$(call tc,m-objdump) -trwh $2 | $(RTRIM) > $2.dump
cat $2.dump >> $2
endef
@ -181,6 +184,7 @@ PP_FLAGS =
IDENT_NAME =
IDENT_PREFIX =
IDENT_SUFFIX =
tc_bfdarch =
tc_bfdname =
tc_list =
@ -222,7 +226,7 @@ tmp/amd64-linux.elf-main.o : $(srcdir)/src/$$T.c
arm-linux.elf% : tc_list = arm-linux.elf default
arm-linux.elf% : tc_bfdname = elf32-littlearm
tc.arm-linux.elf.gcc = arm-linux-gcc-4.1.0 -march=armv4 -nostdinc -MMD -MT $@
tc.arm-linux.elf.gcc = arm-linux-gcc-4.1.0 -mlittle-endian -march=armv4 -nostdinc -MMD -MT $@
tc.arm-linux.elf.gcc += -fno-exceptions -fno-asynchronous-unwind-tables
tc.arm-linux.elf.gcc += -Wall -W -Wcast-align -Wcast-qual -Wwrite-strings -Werror
@ -265,26 +269,12 @@ arm.v4t-wince.pe% : tc_bfdname = elf32-littlearm
arm.v4a-wince.pe.h : $(srcdir)/src/$$T.S
$(call tc,gcc) -march=armv4 -c $< -o tmp/$T.bin
ifeq (1,1)
$(call tc,m-objcopy) -R .text -R .data -R .bss tmp/$T.bin
$(call tc,m-objcopy) -R .note -R .comment tmp/$T.bin
$(call tc,m-objdump) -trwh tmp/$T.bin >> tmp/$T.bin
else
# FIXME: can we use --strip-unneeded on arm ??
$(call tc,embed_objinfo,tmp/$T.bin)
endif
$(call tc,bin2h) --ident=nrv_loader_arm tmp/$T.bin $@
arm.v4t-wince.pe.h : $(srcdir)/src/$$T.S
$(call tc,gcc) -march=armv4t -c $< -o tmp/$T.bin
ifeq (1,1)
$(call tc,m-objcopy) -R .text -R .data -R .bss tmp/$T.bin
$(call tc,m-objcopy) -R .note -R .comment tmp/$T.bin
$(call tc,m-objdump) -trwh tmp/$T.bin >> tmp/$T.bin
else
# FIXME: can we use --strip-unneeded on arm ??
$(call tc,embed_objinfo,tmp/$T.bin)
endif
$(call tc,bin2h) --ident=nrv_loader_thumb tmp/$T.bin $@
@ -293,6 +283,7 @@ endif
# ************************************************************************/
i086-dos16.com% : tc_list = arch-i086 default
i086-dos16.com% : tc_bfdarch = i8086
i086-dos16.com.h : $(srcdir)/src/$$T.S
$(call tc,gcc) -c -x assembler-with-cpp $< -o tmp/$T.bin
@ -305,6 +296,7 @@ i086-dos16.com.h : $(srcdir)/src/$$T.S
# ************************************************************************/
i086-dos16.exe% : tc_list = arch-i086 default
i086-dos16.exe% : tc_bfdarch = i8086
i086-dos16.exe.h : $(srcdir)/src/$$T.S
$(call tc,gcc) -c -x assembler-with-cpp $< -o tmp/$T.bin
@ -317,6 +309,7 @@ i086-dos16.exe.h : $(srcdir)/src/$$T.S
# ************************************************************************/
i086-dos16.sys% : tc_list = arch-i086 default
i086-dos16.sys% : tc_bfdarch = i8086
i086-dos16.sys.h : $(srcdir)/src/$$T.S
$(call tc,gcc) -c -x assembler-with-cpp $< -o tmp/$T.bin
@ -606,19 +599,12 @@ i386-win32.pe.h : $(srcdir)/src/$$T.S
m68k-atari.tos-%.h : tc_list = m68k-atari.tos default
m68k-atari.tos-%.h : tc_bfdname = elf32-m68k
tc.m68k-atari.tos.as = m68k-linux-as-20060406 --register-prefix-optional
tc.m68k-atari.tos.gcc = m68k-linux-gcc-4.1.1 -nostdinc -MMD -MT $@
tc.m68k-atari.tos.gcc = m68k-linux-gcc-4.1.1 -m68000 -malign-int -nostdinc -MMD -MT $@
tc.m68k-atari.tos.gcc += -fno-exceptions -fno-asynchronous-unwind-tables
tc.m68k-atari.tos.gcc += -Wall -W -Wcast-align -Wcast-qual -Wwrite-strings -Werror
m68k-atari.tos-nrv%.h : $(srcdir)/src/m68k-atari.tos.S
ifeq (1,2)
$(call tc,pp-as) -D__GAS__ $(PP_FLAGS) $< -o tmp/$T.i
$(call tc,as) tmp/$T.i -o tmp/$T.bin
$(call tc,gpp_mkdep) --mode=c --MMD=$@ $< --MF=tmp/$T.d
else
$(call tc,gcc) -c -D__GAS__ $(PP_FLAGS) -x assembler-with-cpp -Wa,--register-prefix-optional $< -o tmp/$T.bin
endif
$(call tc,embed_objinfo,tmp/$T.bin)
$(call tc,bin2h) --ident=$(IDENT_PREFIX)loader$(IDENT_SUFFIX) tmp/$T.bin $@
@ -647,8 +633,8 @@ tc.mipsel.r3000-ps1.gcc += -Wall -W -Wcast-align -Wcast-qual -Wwrite-strings -We
mipsel.r3000-ps1.h : $(srcdir)/src/$$T.S
ifeq (1,1)
$(call tc,pp-as) $(PP_FLAGS) $< -o tmp/$T.tmp1
$(call tc,as) tmp/$T.tmp1 -o tmp/$T.bin
$(call tc,pp-as) $(PP_FLAGS) $< -o tmp/$T.i
$(call tc,as) tmp/$T.i -o tmp/$T.bin
$(call tc,gpp_mkdep) --mode=c --MMD=$@ $< --MF=tmp/$T.d
else
## FIXME - as-2.16.1 does not work ???
@ -694,7 +680,7 @@ tmp/powerpc-darwin.macho-main.o : $(srcdir)/src/$$T.c
powerpc-linux.elf% : tc_list = powerpc-linux.elf default
powerpc-linux.elf% : tc_bfdname = elf32-powerpc
tc.powerpc-linux.elf.gcc = powerpc.405-linux-gcc-3.4.5 -mcpu=405 -nostdinc -MMD -MT $@
tc.powerpc-linux.elf.gcc = powerpc.405-linux-gcc-3.4.5 -m32 -mbig-endian -mcpu=405 -nostdinc -MMD -MT $@
tc.powerpc-linux.elf.gcc += -fno-exceptions -fno-asynchronous-unwind-tables
tc.powerpc-linux.elf.gcc += -Wall -W -Wcast-align -Wcast-qual -Wwrite-strings -Werror

File diff suppressed because it is too large Load Diff

File diff suppressed because it is too large Load Diff

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@ -37,7 +37,7 @@ lzma_d_c%.S : lzma_d_c.c
$(call tc,objstrip) tmp/$T.o
$(call tc,objcopy) -O binary --only-section .text.LzmaDecode tmp/$T.o tmp/$T.bin
head -c-1 tmp/$T.bin > tmp/$T.out
$(call tc,objdump) -b binary -m i386:x86-64 -D tmp/$T.out > tmp/$T.out.lst
$(call tc,objdump) -b binary -m i386:x86-64 -D tmp/$T.out | $(RTRIM) > tmp/$T.out.disasm
$(call tc,bin2h) --mode=gas tmp/$T.out $@
lzma_d_cf.% : PP_FLAGS = -DFAST

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@ -37,7 +37,7 @@ tc.arm-lzma.gcc += -I$(top_srcdir)/src
lzma_d_c%.S : lzma_d_c.c
$(call tc,gcc) $(PP_FLAGS) -S $< -o tmp/$T.s
sed -e '1,/LzmaDecode:/d' -e '/\.size/d' -e '/\.ident/d' -e 's/\.L/$(LABEL_PREFIX)/g' < tmp/$T.s > $@
sed -e '1,/LzmaDecode:/d' -e '/\.size/d' -e '/\.ident/d' -e 's/\.L/$(LABEL_PREFIX)/g' tmp/$T.s | $(RTRIM) > $@
lzma_d_cf.% : PP_FLAGS = -DFAST
lzma_d_cs.% : PP_FLAGS = -DSMALL

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@ -35,7 +35,7 @@ tc.arm-lzma.gcc += -I$(top_srcdir)/src
lzma_d_c%.S : lzma_d_c.c
$(call tc,gcc) $(PP_FLAGS) -S $< -o tmp/$T.s
sed -e '1,/LzmaDecode:/d' -e '/\.size/d' -e '/\.ident/d' -e 's/\.L/$(LABEL_PREFIX)/g' < tmp/$T.s > $@
sed -e '1,/LzmaDecode:/d' -e '/\.size/d' -e '/\.ident/d' -e 's/\.L/$(LABEL_PREFIX)/g' tmp/$T.s | $(RTRIM) > $@
lzma_d_cf.% : PP_FLAGS = -DFAST
lzma_d_cs.% : PP_FLAGS = -DSMALL

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@ -36,7 +36,7 @@ lzma_d_c%.S : lzma_d_c.c
$(call tc,objstrip) tmp/$T.o
$(call tc,objcopy) -O binary --only-section .text.LzmaDecode tmp/$T.o tmp/$T.bin
head -c-1 tmp/$T.bin > tmp/$T.out
$(call tc,objdump) -b binary -m i386 -D tmp/$T.out > tmp/$T.out.lst
$(call tc,objdump) -b binary -m i386 -D tmp/$T.out | $(RTRIM) > tmp/$T.out.disasm
$(call tc,bin2h) --mode=gas tmp/$T.out $@
lzma_d_cf.% : PP_FLAGS = -DFAST

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@ -38,7 +38,7 @@ lzma_d_c%.S : lzma_d_c.c
$(call tc,objstrip) tmp/$T.o
$(call tc,m-objcopy) -O binary --only-section .text.LzmaDecode tmp/$T.o tmp/$T.bin
head -c-0 tmp/$T.bin > tmp/$T.out
$(call tc,m-objdump) -b binary -m mips:3000 -D tmp/$T.out > tmp/$T.out.lst
$(call tc,m-objdump) -b binary -m mips:3000 -D tmp/$T.out | $(RTRIM) > tmp/$T.out.disasm
$(call tc,bin2h) --mode=gas tmp/$T.out $@
lzma_d_cf.% : PP_FLAGS = -DFAST

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@ -38,7 +38,7 @@ lzma_d_c%.S : lzma_d_c.c
$(call tc,objstrip) tmp/$T.o
$(call tc,objcopy) -O binary --only-section .text.LzmaDecode tmp/$T.o tmp/$T.bin
head -c-4 tmp/$T.bin > tmp/$T.out
$(call tc,objdump) -b binary -m powerpc -D tmp/$T.out > tmp/$T.out.lst
$(call tc,objdump) -b binary -m powerpc -D tmp/$T.out | $(RTRIM) > tmp/$T.out.disasm
$(call tc,bin2h) --mode=gas tmp/$T.out $@
lzma_d_cf.% : PP_FLAGS = -DFAST

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@ -55,6 +55,18 @@
#define section .section
// p_armpe.cpp uses the following symbols, so they should be global
.globl SRC0
.globl DST0
.globl IATT
.globl ENTR
.globl FIBS
.globl FIBE
.globl BREL
.globl BIMP
.globl ONAM
@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@
.arm

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@ -29,6 +29,11 @@
<jreiser@users.sourceforge.net>
*/
// p_armpe.cpp uses some symbols, so they should be global
// in thumb mode we need this S() macro hack to export a symbol which
// is used in an ldr statement
#define S(sym) .globl sym; sym: .L##sym
#define DEBUG 0
#define section .section
@ -65,12 +70,12 @@ section ExeStart
ldr ip, ENTR
bx ip
SRC0: .long start_of_compressed
S(SRC0):.long start_of_compressed
SRCL: .long compressed_length
DST0: .long start_of_uncompressed
S(DST0):.long start_of_uncompressed
DSTL: .long uncompressed_length
IATT: .long 0, 0, 0, 0
ENTR: .long original_entry
S(IATT):.long 0, 0, 0, 0
S(ENTR):.long original_entry
.thumb
@ -89,9 +94,9 @@ section Unfilter_0x50
addval .req r2
bufend .req r4
ldr buffer, FIBS
ldr buffer, .LFIBS
mov addval, #0
ldr bufend, FIBE
ldr bufend, .LFIBE
mov r5, #0x0f
mov r6, #0xff
lsl r6, #24
@ -122,8 +127,8 @@ section Unfilter_0x50
.unreq bufend
.align 2
FIBS: .long filter_buffer_start
FIBE: .long filter_buffer_end
S(FIBS):.long filter_buffer_start
S(FIBE):.long filter_buffer_end
.Luf50_ret:
@ -134,7 +139,7 @@ section Relocs
dest .req r1
addval .req r2
ldr buffer, BREL
ldr buffer, .LBREL
mov addval, dst0
sub dest, addval, #4
@ -173,7 +178,7 @@ section Relocs
b .Lreloc_loop
.align 2
BREL: .long start_of_relocs
S(BREL):.long start_of_relocs
.Lreloc_end:
@ -190,13 +195,13 @@ section Imports
sub sp, #508
sub sp, #508
sub sp, #508
ldr imp, BIMP
ldr imp, .LBIMP
.Lhi_loop1:
mov r0, imp
bl get_le32
beq .Lhi_end
ldr r1, ONAM
ldr r1, .LONAM
add r0, r1
mov r1, sp
.Lhi_copyname:
@ -265,8 +270,8 @@ LoadLibraryW:
GetProcAddressA:
bx r11
BIMP: .long start_of_imports
ONAM: .long start_of_dll_names
S(BIMP):.long start_of_imports
S(ONAM):.long start_of_dll_names
.Lhi_end:
mov sp, r7