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* Reserve AT_TIMEKEEP auxv entry for providing usermode the pointer tokib2012-06-221-0/+1
| | | | | | timekeeping information. MFC after: 1 week
* Add AT_STACKPROT elf aux vector. Will be used to inform rtld about thekib2011-01-071-1/+2
| | | | initial stack protection set by the kernel image activator.
* Supply some useful information to the started image using ELF aux vectors.kib2010-08-171-2/+8
| | | | | | | | In particular, provide pagesize and pagesizes array, the canary value for SSP use, number of host CPUs and osreldate. Tested by: marius (sparc64) MFC after: 1 month
* Provide groundwork for 32-bit binary compatibility on non-x86 platforms,nwhitehorn2010-03-111-0/+1
| | | | | | | | | for upcoming 64-bit PowerPC and MIPS support. This renames the COMPAT_IA32 option to COMPAT_FREEBSD32, removes some IA32-specific code from MI parts of the kernel and enhances the freebsd32 compatibility code to support big-endian platforms. Reviewed by: kib, jhb
* Define architectural load bases for PIE binaries. Addresses were selectedkib2009-10-101-0/+2
| | | | | | | | | | by looking at the bases used for non-relocatable executables by gnu ld(1), and adjusting it slightly. Discussed with: bz Reviewed by: kan Tested by: bz (i386, amd64), bsam (linux) MFC after: some time
* Add AT_EXECPATH ELF auxinfo entry type. The value's a_ptr is a pointerkib2009-03-171-4/+2
| | | | | | | | | | to the full path of the image that is being executed. Increase AT_COUNT. Remove no longer true comment about types used in Linux ELF binaries, listed types contain FreeBSD-specific entries. Reviewed by: kan
* AT_DEBUG and AT_BRK were OBE like 10 years ago, so retire them.imp2008-12-171-12/+0
| | | | Reviewed by: peter
* PR:jb2006-10-041-86/+0
| | | | | | | | | | | | | | Submitted by: Reviewed by: Approved by: Obtained from: MFC after: Security: Move the relocation definitions to the common elf header so that DTrace can use them on one architecture targeted to a different one. Add the additional ELF types defines in Sun's "Linker and Libraries" manual.
* s/DT_IA64_PLT_RESERVE/DT_IA_64_PLT_RESERVE/marcel2006-01-281-1/+1
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* o Add missing relocations.marcel2006-01-181-24/+30
| | | | o Minor white-space fixups.
* s/R_IA64_/R_IA_64_/g as per the ia64 psABI.marcel2006-01-171-74/+74
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* Add sysentvec->sv_fixlimits() hook so that we can catch cases on 64 bitpeter2003-09-251-12/+0
| | | | | | | | | | | | | | | | | | | | | systems where the data/stack/etc limits are too big for a 32 bit process. Move the 5 or so identical instances of ELF_RTLD_ADDR() into imgact_elf.c. Supply an ia32_fixlimits function. Export the clip/default values to sysctl under the compat.ia32 heirarchy. Have mmap(0, ...) respect the current p->p_limits[RLIMIT_DATA].rlim_max value rather than the sysctl tweakable variable. This allows mmap to place mappings at sensible locations when limits have been reduced. Have the imgact_elf.c ld-elf.so.1 placement algorithm use the same method as mmap(0, ...) now does. Note that we cannot remove all references to the sysctl tweakable maxdsiz etc variables because /etc/login.conf specifies a datasize of 'unlimited'. And that causes exec etc to fail since it can no longer find space to mmap things.
* Add TLS related relocation.marcel2003-06-191-0/+17
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* Infrastructure tweaks to allow having both an Elf32 and an Elf64 executablepeter2002-07-201-1/+16
| | | | | | | | | | | | | | | handler in the kernel at the same time. Also, allow for the exec_new_vmspace() code to build a different sized vmspace depending on the executable environment. This is a big help for execing i386 binaries on ia64. The ELF exec code grows the ability to map partial pages when there is a page size difference, eg: emulating 4K pages on 8K or 16K hardware pages. Flesh out the i386 emulation support for ia64. At this point, the only binary that I know of that fails is cvsup, because the cvsup runtime tries to execute code in pages not marked executable. Obtained from: dfr (mostly, many tweaks from me).
* Move the definition of ElfN_Hashelt to common headers. The only platformdfr2002-05-301-11/+0
| | | | which has a different definition for this is alpha.
* o Add architecture specific segment types.marcel2002-04-041-0/+11
| | | | o Add architecture specific segment attributes.
* The size of the ELF hash table changed from 64 bits in the prototypepeter2001-10-291-1/+1
| | | | | | toolchains to 32 bits in 2.11.2. Obtained from: dfr
* Make MAXTSIZ, DFLDSIZ, MAXDSIZ, DFLSSIZ, MAXSSIZ, SGROWSIZ loaderps2001-10-101-1/+1
| | | | | | | tunable. Reviewed by: peter MFC after: 2 weeks
* Add a definition for the ia64's special PLT_RESERVE entry in the _DYNAMICdfr2001-10-101-0/+4
| | | | section.
* Use a machine dependent type, Elf_Hashelt, for the elements of the elfjake2001-07-311-0/+11
| | | | | | | | dynamic symbol table buckets and chains. The sparc64 toolchain uses 32 bit .hash entries, unlike other 64 bits architectures (alpha), which use 64 bit entries. Discussed with: dfr, jdp
* Fix style of defines.obrien2001-06-091-97/+97
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* This is the first snapshot of the FreeBSD/ia64 kernel. This kernel willdfr2000-09-291-0/+203
not work on any real hardware (or fully work on any simulator). Much more needs to happen before this is actually functional but its nice to see the FreeBSD copyright message appear in the ia64 simulator.
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