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armel-eabi-linux.elf (Debian) new protocol for system calls

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This commit is contained in:
John Reiser
2008-07-20 05:41:51 -07:00
parent bf046a8ccb
commit f0c8dbe0ec
14 changed files with 1430 additions and 44 deletions
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src/p_lx_elf.cpp
+35 -5
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@@ -45,6 +45,8 @@
#define PT_LOAD32 Elf32_Phdr::PT_LOAD
#define PT_LOAD64 Elf64_Phdr::PT_LOAD
static unsigned const EF_ARM_HASENTRY = 0x02;
static unsigned const EF_ARM_EABI_VER4 = 0x04000000;
int
PackLinuxElf32::checkEhdr(Elf32_Ehdr const *ehdr) const
@@ -720,6 +722,11 @@ PackOpenBSDElf32x86::buildLoader(const Filter *ft)
tmp, sizeof(stub_i386_openbsd_elf_fold), ft);
}
static const
#include "stub/armel-eabi-linux.elf-entry.h"
static const
#include "stub/armel-eabi-linux.elf-fold.h"
static const
#include "stub/arm-linux.elf-entry.h"
static const
@@ -743,9 +750,16 @@ PackLinuxElf32armBe::buildLoader(Filter const *ft)
void
PackLinuxElf32armLe::buildLoader(Filter const *ft)
{
buildLinuxLoader(
stub_arm_linux_elf_entry, sizeof(stub_arm_linux_elf_entry),
stub_arm_linux_elf_fold, sizeof(stub_arm_linux_elf_fold), ft);
if (Elf32_Ehdr::ELFOSABI_LINUX==ei_osabi) {
buildLinuxLoader(
stub_armel_eabi_linux_elf_entry, sizeof(stub_armel_eabi_linux_elf_entry),
stub_armel_eabi_linux_elf_fold, sizeof(stub_armel_eabi_linux_elf_fold), ft);
}
else {
buildLinuxLoader(
stub_arm_linux_elf_entry, sizeof(stub_arm_linux_elf_entry),
stub_arm_linux_elf_fold, sizeof(stub_arm_linux_elf_fold), ft);
}
}
static const
@@ -887,7 +901,15 @@ bool PackLinuxElf32::canPack()
}
}
if (Elf32_Ehdr::ELFOSABI_NONE==osabi0) { // No EI_OSBAI, no PT_NOTE.
osabi0 = opt->o_unix.osabi0; // Possibly specified by command-line.
if (Elf32_Ehdr::EM_ARM==e_machine
&& Elf32_Ehdr::ELFDATA2LSB==ei_data
&& EF_ARM_EABI_VER4==(0xff000000 & get_te32(&ehdr->e_flags))) {
// armel-eabi ARM little-endian Linux EABI version 4 is a mess.
ei_osabi = osabi0 = Elf32_Ehdr::ELFOSABI_LINUX;
}
else {
osabi0 = opt->o_unix.osabi0; // Possibly specified by command-line.
}
}
if (osabi0!=ei_osabi) {
return false;
@@ -1298,7 +1320,15 @@ void PackLinuxElf32armLe::pack1(OutputFile *fo, Filter &ft)
{
super::pack1(fo, ft);
cprElfHdr3 h3;
memcpy(&h3, stub_arm_linux_elf_fold, sizeof(Elf32_Ehdr) + 2*sizeof(Elf32_Phdr));
if (Elf32_Ehdr::ELFOSABI_LINUX==ei_osabi) {
ei_osabi = Elf32_Ehdr::ELFOSABI_NONE;
memcpy(&h3, stub_armel_eabi_linux_elf_fold, sizeof(Elf32_Ehdr) + 2*sizeof(Elf32_Phdr));
set_te32(&h3.ehdr.e_flags, EF_ARM_EABI_VER4 | EF_ARM_HASENTRY);
}
else {
memcpy(&h3, stub_arm_linux_elf_fold, sizeof(Elf32_Ehdr) + 2*sizeof(Elf32_Phdr));
}
generateElfHdr(fo, &h3, getbrk(phdri, get_te16(&ehdri.e_phnum)) );
}