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changeset: 2451:4e2a6c33d5fb

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tag: ppc64le
user: Thierry Fauck <tfauck@free.fr>
date: Wed Jun 22 08:25:13 2016 -0400
summary: Add support for ppc64le statically linked binaries
This commit is contained in:
John Reiser
2016-07-26 17:00:25 -07:00
parent fa522c0ffc
commit 01a0c8672d
56 changed files with 7474 additions and 482 deletions
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src/p_vmlinx.cpp
+79
View File
@@ -792,6 +792,12 @@ const int *PackVmlinuxPPC32::getCompressionMethods(int method, int level) const
return Packer::getDefaultCompressionMethods_le32(method, level);
}
const int *PackVmlinuxPPC64LE::getCompressionMethods(int method, int level) const
{
// No real dependency on LE32.
return Packer::getDefaultCompressionMethods_le32(method, level);
}
const int *PackVmlinuxARMEL::getFilters() const
{
@@ -811,6 +817,12 @@ const int *PackVmlinuxPPC32::getFilters() const
return fd0;
}
const int *PackVmlinuxPPC64LE::getFilters() const
{
static const int fd0[] = { 0xd0, FT_END };
return fd0;
}
//
// Examples as of 2004-07-16 [readelf --segments vmlinux # before fiddling]:
//
@@ -913,6 +925,11 @@ bool PackVmlinuxPPC32::is_valid_e_entry(Addr e_entry)
return 0xc0000000==e_entry;
}
bool PackVmlinuxPPC64LE::is_valid_e_entry(Addr e_entry)
{
return 0xc0000000==e_entry;
}
Linker* PackVmlinuxARMEL::newLinker() const
{
return new ElfLinkerArmLE;
@@ -928,6 +945,10 @@ Linker* PackVmlinuxPPC32::newLinker() const
return new ElfLinkerPpc32;
}
Linker* PackVmlinuxPPC64LE::newLinker() const
{
return new ElfLinkerPpc64le;
}
void PackVmlinuxARMEL::buildLoader(const Filter *ft)
@@ -999,6 +1020,33 @@ void PackVmlinuxPPC32::buildLoader(const Filter *ft)
addLoader("IDENTSTR,UPX1HEAD", NULL);
}
static const
#include "stub/ppc64le-linux.kernel.vmlinux.h"
void PackVmlinuxPPC64LE::buildLoader(const Filter *ft)
{
// prepare loader
initLoader(stub_ppc64le_linux_kernel_vmlinux, sizeof(stub_ppc64le_linux_kernel_vmlinux));
addLoader("LINUX000", NULL);
if (ft->id) {
assert(ft->calls > 0);
addLoader("LINUX010", NULL);
}
addLoader("LINUX020", NULL);
if (ft->id) {
addFilter32(ft->id);
}
addLoader("LINUX030", NULL);
if (ph.method == M_NRV2E_LE32) addLoader("NRV2E,NRV_TAIL", NULL);
else if (ph.method == M_NRV2B_LE32) addLoader("NRV2B,NRV_TAIL", NULL);
else if (ph.method == M_NRV2D_LE32) addLoader("NRV2D,NRV_TAIL", NULL);
else if (M_IS_LZMA(ph.method)) addLoader("LZMA_ELF00,LZMA_DEC10,LZMA_DEC30", NULL);
else throwBadLoader();
if (hasLoaderSection("CFLUSH"))
addLoader("CFLUSH");
addLoader("IDENTSTR,UPX1HEAD", NULL);
}
static const
#include "stub/i386-linux.kernel.vmlinux-head.h"
@@ -1067,6 +1115,14 @@ void PackVmlinuxPPC32::defineDecompressorSymbols()
// linker->defineSymbol("METHOD", ph.method);
}
void PackVmlinuxPPC64LE::defineDecompressorSymbols()
{
super::defineDecompressorSymbols();
// linker->defineSymbol( "COMPRESSED_LENGTH", ph.c_len);
// linker->defineSymbol("UNCOMPRESSED_LENGTH", ph.u_len);
// linker->defineSymbol("METHOD", ph.method);
}
void PackVmlinuxI386::defineDecompressorSymbols()
{
super::defineDecompressorSymbols();
@@ -1136,6 +1192,14 @@ unsigned PackVmlinuxPPC32::write_vmlinux_head(
return 0;
}
unsigned PackVmlinuxPPC64LE::write_vmlinux_head(
OutputFile * /*const fo*/,
Shdr * /*const stxt*/
)
{
return 0;
}
bool PackVmlinuxARMEL::has_valid_vmlinux_head()
{
@@ -1179,6 +1243,21 @@ bool PackVmlinuxPPC32::has_valid_vmlinux_head()
return false;
}
#include "stub/ppc64le-linux.kernel.vmlinux-head.h"
bool PackVmlinuxPPC64LE::has_valid_vmlinux_head()
{
TE64 buf[2];
fi->seek(p_text->sh_offset + sizeof(stub_ppc64le_linux_kernel_vmlinux_head) -8, SEEK_SET);
fi->readx(buf, sizeof(buf));
//unsigned const word0 = buf[0];
unsigned const word1 = buf[1];
if (0xeb==(word1>>24)
&& (0x00ffffff& word1)==(0u - 1 + ((3+ ph.c_len)>>2))) {
return true;
}
return false;
}
bool PackVmlinuxI386::has_valid_vmlinux_head()
{
unsigned char buf[5];