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QNX on armel (experimental)

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This commit is contained in:
John Reiser
2011-10-15 19:49:37 -07:00
parent afbd553622
commit b247b051ea
16 changed files with 3358 additions and 3277 deletions
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src/p_lx_elf.cpp
+23 -1
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@@ -1671,6 +1671,9 @@ PackLinuxElf32::generateElfHdr(
set_te32(&h2->phdr[1].p_paddr, brkb);
h2->phdr[1].p_filesz = 0;
h2->phdr[1].p_memsz = 0;
if (Elf32_Ehdr::ELFOSABI_ARM==ehdri.e_ident[Elf32_Ehdr::EI_OSABI]
&& 0x100000==(page_mask & get_te32(&phdri[0].p_vaddr)))
set_te32(&h2->phdr[1].p_memsz, 1); // 0==.p_memsz invalid on QNX 6.3.0
set_te32(&h2->phdr[1].p_flags, Elf32_Phdr::PF_R | Elf32_Phdr::PF_W);
}
if (ph.format==getFormat()) {
@@ -2360,7 +2363,15 @@ void PackLinuxElf32::ARM_defineSymbols(Filter const * /*ft*/)
unsigned const hlen = sz_elf_hdrs + sizeof(l_info) + sizeof(p_info);
lsize = /*getLoaderSize()*/ 4 * 1024; // upper bound; avoid circularity
unsigned const lo_va_user = 0x8000; // XXX
unsigned lo_va_user = ~0u; // infinity
for (int j= e_phnum; --j>=0; ) {
if (PT_LOAD32 == get_te32(&phdri[j].p_type)) {
unsigned const va = get_te32(&phdri[j].p_vaddr);
if (va < lo_va_user) {
lo_va_user = va;
}
}
}
unsigned lo_va_stub = get_te32(&elfout.phdr[0].p_vaddr);
unsigned adrc;
unsigned adrm;
@@ -2384,6 +2395,17 @@ void PackLinuxElf32::ARM_defineSymbols(Filter const * /*ft*/)
linker->defineSymbol("LENF", 4+ linker->getSymbolOffset("end_decompress"));
linker->defineSymbol("ADRM", adrm); // addr for map
#define MAP_PRIVATE 2 /* UNIX standard */
#define MAP_FIXED 0x10 /* UNIX standard */
#define MAP_ANONYMOUS 0x20 /* UNIX standard */
#define MAP_PRIVANON 3 /* QNX anonymous private memory */
unsigned mflg = MAP_PRIVATE | MAP_ANONYMOUS;
if (Elf32_Ehdr::ELFOSABI_ARM==ehdri.e_ident[Elf32_Ehdr::EI_OSABI]
&& 0x100000==(page_mask & get_te32(&phdri[0].p_vaddr)))
mflg = MAP_PRIVANON; // QNX only
linker->defineSymbol("MFLG", mflg);
ACC_UNUSED(adrx);
}