mirror of
https://github.com/upx/upx
synced 2025-09-28 19:06:07 +08:00
powerpc-darwin.dylib
This commit is contained in:
John Reiser
parent
bde43fbdfb
commit
7ffcc0a5e7
|
|
@ -475,6 +475,7 @@ private:
|
|||
#define UPX_F_MACH_ARMEL 32
|
||||
|
||||
#define UPX_F_DYLIB_i386 33
|
||||
#define UPX_F_DYLIB_PPC32 34
|
||||
|
||||
#define UPX_F_PLAIN_TEXT 127
|
||||
|
||||
|
|
|
|||
|
|
@ -63,6 +63,9 @@ static const
|
|||
// The runtime stub for the dyld -init routine does not use "fold"ed code.
|
||||
//#include "stub/i386-darwin.dylib-fold.h"
|
||||
|
||||
static const
|
||||
#include "stub/powerpc-darwin.dylib-entry.h"
|
||||
|
||||
template <class T>
|
||||
PackMachBase<T>::PackMachBase(InputFile *f, unsigned cputype, unsigned filetype,
|
||||
unsigned flavor, unsigned count, unsigned size) :
|
||||
|
|
@ -87,6 +90,11 @@ PackDylibI386::PackDylibI386(InputFile *f) : super(f)
|
|||
my_filetype = Mach_header::MH_DYLIB;
|
||||
}
|
||||
|
||||
PackDylibPPC32::PackDylibPPC32(InputFile *f) : super(f)
|
||||
{
|
||||
my_filetype = Mach_header::MH_DYLIB;
|
||||
}
|
||||
|
||||
template <class T>
|
||||
const int *PackMachBase<T>::getCompressionMethods(int method, int level) const
|
||||
{
|
||||
|
|
@ -313,6 +321,14 @@ PackDylibI386::buildLoader(const Filter *ft)
|
|||
0, 0, ft );
|
||||
}
|
||||
|
||||
void
|
||||
PackDylibPPC32::buildLoader(const Filter *ft)
|
||||
{
|
||||
buildMachLoader(
|
||||
stub_powerpc_darwin_dylib_entry, sizeof(stub_powerpc_darwin_dylib_entry),
|
||||
0, 0, ft );
|
||||
}
|
||||
|
||||
template <class T>
|
||||
void PackMachBase<T>::patchLoader() { }
|
||||
|
||||
|
|
@ -430,6 +446,13 @@ void PackMachBase<T>::pack4dylib( // append PackHeader
|
|||
case Mach_segment_command::LC_REEXPORT_DYLIB:
|
||||
hdrpos += seg->cmdsize;
|
||||
break; // contain no file offset fields
|
||||
case Mach_segment_command::LC_TWOLEVEL_HINTS: {
|
||||
Mach_twolevel_hints_command cmd = *(Mach_twolevel_hints_command const *)seg;
|
||||
if (o_end_txt <= cmd.offset) { cmd.offset += slide; }
|
||||
fo->seek(hdrpos, SEEK_SET);
|
||||
fo->rewrite(&cmd, sizeof(cmd));
|
||||
hdrpos += sizeof(cmd);
|
||||
} break;
|
||||
case Mach_segment_command::LC_ROUTINES_64:
|
||||
case Mach_segment_command::LC_ROUTINES: {
|
||||
Mach_routines_command cmd = *(Mach_routines_command const *)seg;
|
||||
|
|
@ -527,9 +550,14 @@ void PackDylibI386::pack4(OutputFile *fo, Filter &ft) // append PackHeader
|
|||
pack4dylib(fo, ft, threado.state.eip);
|
||||
}
|
||||
|
||||
void PackDylibPPC32::pack4(OutputFile *fo, Filter &ft) // append PackHeader
|
||||
{
|
||||
pack4dylib(fo, ft, threado.state.srr0);
|
||||
}
|
||||
|
||||
void PackMachPPC32::pack3(OutputFile *fo, Filter &ft) // append loader
|
||||
{
|
||||
BE32 disp;
|
||||
TE32 disp;
|
||||
unsigned const zero = 0;
|
||||
unsigned len = fo->getBytesWritten();
|
||||
fo->write(&zero, 3& (0u-len));
|
||||
|
|
@ -543,7 +571,7 @@ void PackMachPPC32::pack3(OutputFile *fo, Filter &ft) // append loader
|
|||
|
||||
void PackMachI386::pack3(OutputFile *fo, Filter &ft) // append loader
|
||||
{
|
||||
LE32 disp;
|
||||
TE32 disp;
|
||||
unsigned const zero = 0;
|
||||
unsigned len = fo->getBytesWritten();
|
||||
fo->write(&zero, 3& (0u-len));
|
||||
|
|
@ -557,7 +585,7 @@ void PackMachI386::pack3(OutputFile *fo, Filter &ft) // append loader
|
|||
|
||||
void PackMachARMEL::pack3(OutputFile *fo, Filter &ft) // append loader
|
||||
{
|
||||
LE32 disp;
|
||||
TE32 disp;
|
||||
unsigned const zero = 0;
|
||||
unsigned len = fo->getBytesWritten();
|
||||
fo->write(&zero, 3& (0u-len));
|
||||
|
|
@ -571,7 +599,30 @@ void PackMachARMEL::pack3(OutputFile *fo, Filter &ft) // append loader
|
|||
|
||||
void PackDylibI386::pack3(OutputFile *fo, Filter &ft) // append loader
|
||||
{
|
||||
LE32 disp;
|
||||
TE32 disp;
|
||||
unsigned const zero = 0;
|
||||
unsigned len = fo->getBytesWritten();
|
||||
fo->write(&zero, 3& (0u-len));
|
||||
len += (3& (0u-len)) + 4*sizeof(disp);
|
||||
|
||||
disp = prev_init_address;
|
||||
fo->write(&disp, sizeof(disp)); // user .init_address
|
||||
|
||||
disp = sizeof(mhdro) + mhdro.sizeofcmds + sizeof(l_info) + sizeof(p_info);
|
||||
fo->write(&disp, sizeof(disp)); // src offset(compressed __TEXT)
|
||||
|
||||
disp = len - disp - 3*sizeof(disp);
|
||||
fo->write(&disp, sizeof(disp)); // length(compressed __TEXT)
|
||||
|
||||
unsigned const save_sz_mach_headers(sz_mach_headers);
|
||||
sz_mach_headers = 0;
|
||||
super::pack3(fo, ft);
|
||||
sz_mach_headers = save_sz_mach_headers;
|
||||
}
|
||||
|
||||
void PackDylibPPC32::pack3(OutputFile *fo, Filter &ft) // append loader
|
||||
{
|
||||
TE32 disp;
|
||||
unsigned const zero = 0;
|
||||
unsigned len = fo->getBytesWritten();
|
||||
fo->write(&zero, 3& (0u-len));
|
||||
|
|
|
|||
39
src/p_mach.h
39
src/p_mach.h
|
|
@ -210,6 +210,20 @@ __packed_struct(Mach_routines_command)
|
|||
#include "p_mach_enum.h"
|
||||
__packed_struct_end()
|
||||
|
||||
template <class TMachITypes>
|
||||
__packed_struct(Mach_twolevel_hints_command)
|
||||
typedef typename TMachITypes::Word Word;
|
||||
typedef typename TMachITypes::Addr Addr;
|
||||
typedef typename TMachITypes::Off Off;
|
||||
|
||||
Word cmd;
|
||||
Word cmdsize;
|
||||
Off offset; /* offset to the hint table */
|
||||
Word nhints; /* number of hints */
|
||||
#define WANT_MACH_SEGMENT_ENUM 1
|
||||
#include "p_mach_enum.h"
|
||||
__packed_struct_end()
|
||||
|
||||
template <class TMachITypes>
|
||||
__packed_struct(Mach_ppc_thread_state)
|
||||
typedef typename TMachITypes::Addr Addr;
|
||||
|
|
@ -340,6 +354,7 @@ struct MachClass_32
|
|||
typedef N_Mach::Mach_dysymtab_command<MachITypes> Mach_dysymtab_command;
|
||||
typedef N_Mach::Mach_segsplit_info_command<MachITypes> Mach_segsplit_info_command;
|
||||
typedef N_Mach::Mach_routines_command<MachITypes> Mach_routines_command;
|
||||
typedef N_Mach::Mach_twolevel_hints_command<MachITypes> Mach_twolevel_hints_command;
|
||||
typedef N_Mach::Mach_ppc_thread_state<MachITypes> Mach_ppc_thread_state;
|
||||
typedef N_Mach::Mach_i386_thread_state<MachITypes> Mach_i386_thread_state;
|
||||
typedef N_Mach::Mach_ARM_thread_state<MachITypes> Mach_ARM_thread_state;
|
||||
|
|
@ -369,6 +384,7 @@ struct MachClass_64
|
|||
typedef N_Mach::Mach_dysymtab_command<MachITypes> Mach_dysymtab_command;
|
||||
typedef N_Mach::Mach_segsplit_info_command<MachITypes> Mach_segsplit_info_command;
|
||||
typedef N_Mach::Mach_routines_command<MachITypes> Mach_routines_command;
|
||||
typedef N_Mach::Mach_twolevel_hints_command<MachITypes> Mach_twolevel_hints_command;
|
||||
|
||||
static void compileTimeAssertions() {
|
||||
BeLePolicy::compileTimeAssertions();
|
||||
|
|
@ -391,6 +407,7 @@ typedef MachClass_Host32::Mach_symtab_command Mach32_symtab_command;
|
|||
typedef MachClass_Host32::Mach_dysymtab_command Mach32_dysymtab_command;
|
||||
typedef MachClass_Host32::Mach_segsplit_info_command Mach32_segsplit_info_command;
|
||||
typedef MachClass_Host32::Mach_routines_command Mach32_routines_command;
|
||||
typedef MachClass_Host32::Mach_twolevel_hints_command Mach32_twolevel_hints_command;
|
||||
|
||||
typedef MachClass_Host64::Mach_segment_command Mach64_segment_command;
|
||||
typedef MachClass_Host64::Mach_section_command Mach64_section_command;
|
||||
|
|
@ -398,6 +415,7 @@ typedef MachClass_Host64::Mach_symtab_command Mach64_symtab_command;
|
|||
typedef MachClass_Host64::Mach_dysymtab_command Mach64_dysymtab_command;
|
||||
typedef MachClass_Host64::Mach_segsplit_info_command Mach64_segsplit_info_command;
|
||||
typedef MachClass_Host64::Mach_routines_command Mach64_routines_command;
|
||||
typedef MachClass_Host64::Mach_twolevel_hints_command Mach64_twolevel_hints_command;
|
||||
|
||||
typedef MachClass_BE32::Mach_segment_command MachBE32_segment_command;
|
||||
typedef MachClass_BE32::Mach_section_command MachBE32_section_command;
|
||||
|
|
@ -405,6 +423,7 @@ typedef MachClass_BE32::Mach_symtab_command MachBE32_symtab_command;
|
|||
typedef MachClass_BE32::Mach_dysymtab_command MachBE32_dysymtab_command;
|
||||
typedef MachClass_BE32::Mach_segsplit_info_command MachBE32_segsplit_info_command;
|
||||
typedef MachClass_BE32::Mach_routines_command MachBE32_routines_command;
|
||||
typedef MachClass_BE32::Mach_twolevel_hints_command MachBE32_twolevel_hints_command;
|
||||
|
||||
typedef MachClass_BE64::Mach_segment_command MachBE64_segment_command;
|
||||
typedef MachClass_BE64::Mach_section_command MachBE64_section_command;
|
||||
|
|
@ -412,6 +431,7 @@ typedef MachClass_BE64::Mach_symtab_command MachBE64_symtab_command;
|
|||
typedef MachClass_BE64::Mach_dysymtab_command MachBE64_dysymtab_command;
|
||||
typedef MachClass_BE64::Mach_segsplit_info_command MachBE64_segsplit_info_command;
|
||||
typedef MachClass_BE64::Mach_routines_command MachBE64_routines_command;
|
||||
typedef MachClass_BE64::Mach_twolevel_hints_command MachBE64_twolevel_hints_command;
|
||||
|
||||
typedef MachClass_LE32::Mach_segment_command MachLE32_segment_command;
|
||||
typedef MachClass_LE32::Mach_section_command MachLE32_section_command;
|
||||
|
|
@ -419,6 +439,7 @@ typedef MachClass_LE32::Mach_symtab_command MachLE32_symtab_command;
|
|||
typedef MachClass_LE32::Mach_dysymtab_command MachLE32_dysymtab_command;
|
||||
typedef MachClass_LE32::Mach_segsplit_info_command MachLE32_segsplit_info_command;
|
||||
typedef MachClass_LE32::Mach_routines_command MachLE32_routines_command;
|
||||
typedef MachClass_LE32::Mach_twolevel_hints_command MachLE32_twolevel_hints_command;
|
||||
|
||||
typedef MachClass_LE64::Mach_segment_command MachLE64_segment_command;
|
||||
typedef MachClass_LE64::Mach_section_command MachLE64_section_command;
|
||||
|
|
@ -426,6 +447,7 @@ typedef MachClass_LE64::Mach_symtab_command MachLE64_symtab_command;
|
|||
typedef MachClass_LE64::Mach_dysymtab_command MachLE64_dysymtab_command;
|
||||
typedef MachClass_LE64::Mach_segsplit_info_command MachLE64_segsplit_info_command;
|
||||
typedef MachClass_LE64::Mach_routines_command MachLE64_routines_command;
|
||||
typedef MachClass_LE64::Mach_twolevel_hints_command MachLE64_twolevel_hints_command;
|
||||
|
||||
typedef MachClass_BE32::Mach_ppc_thread_state Mach_ppc_thread_state;
|
||||
typedef MachClass_LE32::Mach_i386_thread_state Mach_i386_thread_state;
|
||||
|
|
@ -454,6 +476,7 @@ protected:
|
|||
typedef typename MachClass::Mach_dysymtab_command Mach_dysymtab_command;
|
||||
typedef typename MachClass::Mach_segsplit_info_command Mach_segsplit_info_command;
|
||||
typedef typename MachClass::Mach_routines_command Mach_routines_command;
|
||||
typedef typename MachClass::Mach_twolevel_hints_command Mach_twolevel_hints_command;
|
||||
|
||||
public:
|
||||
PackMachBase(InputFile *, unsigned cpuid, unsigned filetype,
|
||||
|
|
@ -581,6 +604,22 @@ protected:
|
|||
Mach_thread_command threado;
|
||||
};
|
||||
|
||||
class PackDylibPPC32 : public PackMachPPC32
|
||||
{
|
||||
typedef PackMachPPC32 super;
|
||||
|
||||
public:
|
||||
PackDylibPPC32(InputFile *f);
|
||||
|
||||
virtual int getFormat() const { return UPX_F_DYLIB_PPC32; }
|
||||
virtual const char *getName() const { return "Dylib/ppc32"; }
|
||||
virtual const char *getFullName(const options_t *) const { return "powerpc-darwin.dylib"; }
|
||||
protected:
|
||||
virtual void pack3(OutputFile *, Filter &); // append loader
|
||||
virtual void pack4(OutputFile *, Filter &); // append PackHeader
|
||||
virtual void buildLoader(const Filter *ft);
|
||||
};
|
||||
|
||||
class PackMachI386 : public PackMachBase<MachClass_LE32>
|
||||
{
|
||||
typedef PackMachBase<MachClass_LE32> super;
|
||||
|
|
|
|||
|
|
@ -70,6 +70,7 @@
|
|||
LC_ID_DYLIB = 0xd,
|
||||
LC_LOAD_DYLINKER = 0xe,
|
||||
LC_ROUTINES = 0x11,
|
||||
LC_TWOLEVEL_HINTS= 0x16,
|
||||
LC_SEGMENT_64 = 0x19,
|
||||
LC_ROUTINES_64 = 0x1a,
|
||||
LC_UUID = 0x1b,
|
||||
|
|
|
|||
|
|
@ -281,6 +281,8 @@ Packer* PackMaster::visitAllPackers(visit_func_t func, InputFile *f, const optio
|
|||
return p;
|
||||
if ((p = func(new PackDylibI386(f), user)) != NULL)
|
||||
return p;
|
||||
if ((p = func(new PackDylibPPC32(f), user)) != NULL)
|
||||
return p;
|
||||
|
||||
return NULL;
|
||||
}
|
||||
|
|
|
|||
|
|
@ -102,6 +102,7 @@ STUBS += mips.r3000-linux.elf-fold.h
|
|||
STUBS += mipsel.r3000-linux.elf-entry.h
|
||||
STUBS += mipsel.r3000-linux.elf-fold.h
|
||||
STUBS += mipsel.r3000-ps1.h
|
||||
STUBS += powerpc-darwin.dylib-entry.h
|
||||
STUBS += powerpc-darwin.macho-entry.h
|
||||
STUBS += powerpc-darwin.macho-fold.h
|
||||
STUBS += powerpc-linux.elf-entry.h
|
||||
|
|
@ -1050,6 +1051,19 @@ tmp/powerpc-darwin.macho-main.o : $(srcdir)/src/$$T.c
|
|||
$(call tc,objdump) -dr $(tc_objdump_disasm_options) $@ | $(RTRIM) > $@.disasm
|
||||
|
||||
|
||||
# /***********************************************************************
|
||||
# // powerpc-darwin.dylib
|
||||
# ************************************************************************/
|
||||
|
||||
# info: we use the tc settings from powerpc-linux.elf
|
||||
powerpc-darwin.dylib%.h : tc_list = powerpc-linux.elf default
|
||||
powerpc-darwin.dylib%.h : tc_bfdname = elf32-powerpc
|
||||
|
||||
powerpc-darwin.dylib-entry.h : $(srcdir)/src/$$T.S
|
||||
$(call tc,gcc) -c $< -o tmp/$T.bin
|
||||
$(call tc,f-embed_objinfo,tmp/$T.bin)
|
||||
$(call tc,bin2h) tmp/$T.bin $@
|
||||
|
||||
# /***********************************************************************
|
||||
# // powerpc-linux.elf
|
||||
# ************************************************************************/
|
||||
|
|
|
|||
185
src/stub/src/powerpc-darwin.dylib-entry.S
Normal file
185
src/stub/src/powerpc-darwin.dylib-entry.S
Normal file
|
|
@ -0,0 +1,185 @@
|
|||
/*
|
||||
* powerpc-darwin.dylib-entry.S -- program entry point & decompressor (PowerPC32 dylib)
|
||||
*
|
||||
* This file is part of the UPX executable compressor.
|
||||
*
|
||||
* Copyright (C) 2005-2009 John F. Reiser
|
||||
* All Rights Reserved.
|
||||
*
|
||||
* UPX and the UCL library are free software; you can redistribute them
|
||||
* and/or modify them under the terms of the GNU General Public License as
|
||||
* published by the Free Software Foundation; either version 2 of
|
||||
* the License, or (at your option) any later version.
|
||||
*
|
||||
* This program is distributed in the hope that it will be useful,
|
||||
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
||||
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
||||
* GNU General Public License for more details.
|
||||
*
|
||||
* You should have received a copy of the GNU General Public License
|
||||
* along with this program; see the file COPYING.
|
||||
* If not, write to the Free Software Foundation, Inc.,
|
||||
* 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
|
||||
*
|
||||
* John F. Reiser
|
||||
* <jreiser@users.sourceforge.net>
|
||||
*
|
||||
*/
|
||||
|
||||
#include "arch/powerpc/32/macros.S"
|
||||
#include "arch/powerpc/32/ppc_regs.h"
|
||||
|
||||
/*************************************************************************
|
||||
// We have been CALLed as a subroutine from dyld; C-language rules apply.
|
||||
// -4*4+_start: .long offset(user_init_function)
|
||||
// -3*4+_start: .long offset(b_info of compressed Mach_headers)
|
||||
// -2*4+_start: .long length(compressed __TEXT)
|
||||
// -1*4+_start: .long 8+ total_length # 8+ number of preceding bytes in file
|
||||
**************************************************************************/
|
||||
|
||||
section MACOS000
|
||||
_start: .globl _start
|
||||
mflr r2
|
||||
call main # must be exactly 1 instruction; link_register= &decompress
|
||||
decompressor:
|
||||
section NRV_HEAD
|
||||
SZ_DLINE=128 # size of data cache line in Apple G5
|
||||
|
||||
/* PowerPC has no 'cmplis': compare logical [unsigned] immediate shifted [by 16] */
|
||||
#define hibit r0 /* holds 0x80000000 during decompress */
|
||||
|
||||
#define src a0
|
||||
#define lsrc a1
|
||||
#define dst a2
|
||||
#define ldst a3 /* Out: actually a reference: &len_dst */
|
||||
#define meth a4
|
||||
|
||||
#define off a4
|
||||
#define len a5
|
||||
#define bits a6
|
||||
#define disp a7
|
||||
|
||||
section NRV2E
|
||||
#include "arch/powerpc/32/nrv2e_d.S"
|
||||
|
||||
section NRV2D
|
||||
#include "arch/powerpc/32/nrv2d_d.S"
|
||||
|
||||
section NRV2B
|
||||
#include "arch/powerpc/32/nrv2b_d.S"
|
||||
|
||||
#include "arch/powerpc/32/lzma_d.S"
|
||||
|
||||
section NRV_TAIL
|
||||
eof_nrv:
|
||||
#define dst0 a4
|
||||
#define tmp a1
|
||||
lwz dst0,0(ldst) // original dst
|
||||
mtlr t3 // return address
|
||||
subf a0,lsrc,src
|
||||
subf tmp,dst0,dst // -1+ dst length
|
||||
addi a0,a0,1 // return 0: good; else: bad [+1: correct for lbzu]
|
||||
addi tmp,tmp,1 // dst length
|
||||
stw tmp,0(ldst)
|
||||
#undef tmp
|
||||
|
||||
// CACHELINE=32 is the observed minimum line size of any cache.
|
||||
// Some caches may have larger lines, but it is cumbersome to lookup
|
||||
// {AT_DCACHEBSIZE, AT_ICACHEBSIZE, AT_UCACHEBSIZE: /usr/include/elf.h},
|
||||
// then save the correct size in a variable {where to put it?}, or to modify
|
||||
// the two instructions here. If a cache has larger lines, then we expect
|
||||
// that the second dcbst (or icbi) on a the same line will be fast.
|
||||
// If not, then too bad.
|
||||
|
||||
section CFLUSH // In: a2=dst= &highest stored byte; a4=dst0= &lowest stored byte
|
||||
CACHELINE=32
|
||||
ori dst0,dst0,-1+ CACHELINE // highest addr on cache line
|
||||
cfl_nrv:
|
||||
dcbst 0,dst0 // initiate store (modified) cacheline to memory
|
||||
cmpl cr0,dst0,dst // did we cover the highest-addressed byte?
|
||||
icbi 0,dst0 // discard instructions from cacheline
|
||||
addi dst0,dst0,CACHELINE // highest addr on next line
|
||||
blt cr0,cfl_nrv // not done yet
|
||||
#undef dst0
|
||||
sync // wait for all memory operations to finish
|
||||
isync // discard prefetched instructions (if any)
|
||||
cfl_ret:
|
||||
ret
|
||||
|
||||
section ELFMAINY
|
||||
// IDENTSTR goes here
|
||||
|
||||
section ELFMAINZ
|
||||
sz_b_info= 12
|
||||
sz_unc= 0
|
||||
sz_cpr= 4
|
||||
b_method= 8
|
||||
|
||||
PROT_NONE =0x00
|
||||
PROT_READ =0x01
|
||||
PROT_WRITE =0x02
|
||||
PROT_EXEC =0x04
|
||||
|
||||
MAP_SHARED =0x1
|
||||
MAP_PRIVATE =0x2
|
||||
MAP_ANON =0x1000
|
||||
|
||||
SYS_mmap =197
|
||||
SYS_mprotect= 74
|
||||
|
||||
main2:
|
||||
teq r0,r0 // debugging
|
||||
stwu r2,-4*(1+ 32-a0)(sp) # retaddr
|
||||
stmw a0,4*1(sp)
|
||||
mflr r31 # r31= &decompressor
|
||||
lwz r29, -4*1(r31) # "call main" at _start
|
||||
lwz r30,-4*1+ _start - decompressor(r31) # 4+ offset(_start)
|
||||
rlwinm r29,r29,0,6,29 # 4+ main - decompressor
|
||||
add r30,r30,r29 # offset(main); ASSUMES (8+_start)==decompressor
|
||||
addi r29,r29,-4 # main - decompressor
|
||||
|
||||
li a0,0 # addr
|
||||
mr a1,r30 # length
|
||||
li a2,PROT_READ|PROT_WRITE
|
||||
li a3,MAP_ANON|MAP_PRIVATE
|
||||
li a4,-1
|
||||
li a5,0 # hi32(offset)
|
||||
li a6,0 # lo32(offset)
|
||||
li 0,SYS_mmap
|
||||
sc
|
||||
li a0,-1 # failure
|
||||
teq r0,r0 // debugging
|
||||
|
||||
|
||||
li a2,main - movup2
|
||||
mtctr a2
|
||||
add a1,a0 ,r30 # lwa(dst); new_page + offset(main)
|
||||
add a0,r29,r31 # lwa(src); &main
|
||||
movup1: # descending copy [moveup2, main)
|
||||
lbzu r0,-1(a0)
|
||||
stbu r0,-1(a1)
|
||||
bdnz+ movup1
|
||||
|
||||
subf a2,a2,r30 # offset(movup2)
|
||||
mtlr a1 # &copied movup2
|
||||
mtctr a2 # offset(movup2)
|
||||
blr # goto the copied code
|
||||
|
||||
movup2: # descending copy [base, movup2)
|
||||
lbzu r0,-1(a0)
|
||||
stbu r0,-1(a1)
|
||||
bdnz+ movup2
|
||||
|
||||
subf r31,a0,r31
|
||||
add r31,a1,r31 # relocated decompressor
|
||||
|
||||
teq r0,r0
|
||||
main:
|
||||
b main2
|
||||
dy_top:
|
||||
len_top = dy_top - main
|
||||
|
||||
/*
|
||||
vi:ts=8:et:nowrap
|
||||
*/
|
||||
|
||||
52
src/stub/tmp/powerpc-darwin.dylib-entry.bin.dump
Normal file
52
src/stub/tmp/powerpc-darwin.dylib-entry.bin.dump
Normal file
|
|
@ -0,0 +1,52 @@
|
|||
file format elf32-powerpc
|
||||
|
||||
Sections:
|
||||
Idx Name Size VMA LMA File off Algn Flags
|
||||
0 MACOS000 00000008 00000000 00000000 00000034 2**0 CONTENTS, RELOC, READONLY
|
||||
1 NRV_HEAD 00000000 00000000 00000000 0000003c 2**0 CONTENTS, READONLY
|
||||
2 NRV2E 00000148 00000000 00000000 0000003c 2**0 CONTENTS, RELOC, READONLY
|
||||
3 NRV2D 0000012c 00000000 00000000 00000184 2**0 CONTENTS, RELOC, READONLY
|
||||
4 NRV2B 000000f0 00000000 00000000 000002b0 2**0 CONTENTS, RELOC, READONLY
|
||||
5 LZMA_ELF00 0000008c 00000000 00000000 000003a0 2**0 CONTENTS, RELOC, READONLY
|
||||
6 LZMA_DEC10 0000099c 00000000 00000000 0000042c 2**0 CONTENTS, READONLY
|
||||
7 LZMA_DEC20 0000099c 00000000 00000000 00000dc8 2**0 CONTENTS, READONLY
|
||||
8 LZMA_DEC30 00000020 00000000 00000000 00001764 2**0 CONTENTS, READONLY
|
||||
9 NRV_TAIL 0000001c 00000000 00000000 00001784 2**0 CONTENTS, READONLY
|
||||
10 CFLUSH 00000024 00000000 00000000 000017a0 2**0 CONTENTS, READONLY
|
||||
11 ELFMAINY 00000000 00000000 00000000 000017c4 2**0 CONTENTS, READONLY
|
||||
12 ELFMAINZ 00000098 00000000 00000000 000017c4 2**0 CONTENTS, READONLY
|
||||
SYMBOL TABLE:
|
||||
00000000 l d LZMA_DEC30 00000000 LZMA_DEC30
|
||||
00000000 l d NRV_TAIL 00000000 NRV_TAIL
|
||||
00000000 l d ELFMAINZ 00000000 ELFMAINZ
|
||||
00000000 l d MACOS000 00000000 MACOS000
|
||||
00000000 l d NRV_HEAD 00000000 NRV_HEAD
|
||||
00000000 l d NRV2E 00000000 NRV2E
|
||||
00000000 l d NRV2D 00000000 NRV2D
|
||||
00000000 l d NRV2B 00000000 NRV2B
|
||||
00000000 l d LZMA_ELF00 00000000 LZMA_ELF00
|
||||
00000000 l d LZMA_DEC10 00000000 LZMA_DEC10
|
||||
00000000 l d LZMA_DEC20 00000000 LZMA_DEC20
|
||||
00000000 l d CFLUSH 00000000 CFLUSH
|
||||
00000000 l d ELFMAINY 00000000 ELFMAINY
|
||||
00000000 g MACOS000 00000000 _start
|
||||
|
||||
RELOCATION RECORDS FOR [MACOS000]:
|
||||
OFFSET TYPE VALUE
|
||||
00000004 R_PPC_REL24 ELFMAINZ+0x00000094
|
||||
|
||||
RELOCATION RECORDS FOR [NRV2E]:
|
||||
OFFSET TYPE VALUE
|
||||
000000b4 R_PPC_REL14 NRV_TAIL
|
||||
|
||||
RELOCATION RECORDS FOR [NRV2D]:
|
||||
OFFSET TYPE VALUE
|
||||
000000b4 R_PPC_REL14 NRV_TAIL
|
||||
|
||||
RELOCATION RECORDS FOR [NRV2B]:
|
||||
OFFSET TYPE VALUE
|
||||
00000090 R_PPC_REL14 NRV_TAIL
|
||||
|
||||
RELOCATION RECORDS FOR [LZMA_ELF00]:
|
||||
OFFSET TYPE VALUE
|
||||
00000004 R_PPC_REL14 LZMA_DEC30+0x00000020
|
||||
Loading…
Reference in New Issue
Block a user