CVS log for src/sys/lib/libsa/loadfile.c

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Sync w/ HEAD.

sync with head

Capture the endianness of the ELF file loaded in 'netbsd_elf_data', the
same way we do already for the class in 'netbsd_elf_class'.

Sync with HEAD

Go back ot using 0x%x instead of %#x because we don't always support the
format. See subr_prf.c

fix warnings, printf formats, etc.

sync with head.

Sync w/ -current. 34 merge conflicts to follow.

sync with head

Sync with HEAD.

Take $MACHINE into account when looking for modules.

Extract kernel version from the note section and stuff into a global
netbsd_version.

sync with head.

sync with head.

Remove clause 3 and 4 from TNF licenses

Sync with HEAD.

sync with head

sync with HEAD

Sync with HEAD

ANSIfy.

Sync with HEAD.

sync with head

Sync with HEAD. amd64 Xen support needs testing.

style, indent, and ANSI-fy.

Pull up following revision(s) (requested by chs in ticket #348):
	sys/lib/libsa/loadfile.c: revision 1.25
in fdloadfile(), fail if we can't read the entire exec header.

Sync with head.

sync with head.

sync with head.

in fdloadfile(), fail if we can't read the entire exec header.

merge ktrace-lwp.

Fix the sync with head I botched.

Sync with HEAD.

Sync with HEAD

Move UCB-licensed code from 4-clause to 3-clause licence.

Patches provided by Joel Baker in PR 22364, verified by myself.

Apply patch (requested by gmcgarry in ticket #7):
  Initialize some local variables so that this compiles cleanly with
  later toolchains.

Introduce fdloadfile() to load an image from an open file descriptor;
implement loadfile() in terms of it.

This allows clients to open a file once and "load" it multiple times (e.g.
first with COUNT_KERNEL, then with LOAD_KERNEL) without the side-effects
of multiple open calls.

Sync with HEAD.

Only display the final progress counter if any of the LOAD_ flags was given.
Fix comment describing the return value.

Sync kqueue branch with -current.

Catch up to -current.

Sync the thorpej-mips-cache branch with -current.

Split elf32 vs. elf64 handling in loadfile(), including support for
each separately and explicitly.  BOOT_ELF is now BOOT_ELF32 and
BOOT_ELF64, and ELFSIZE should no longer be defined in loadfile_machdep.h.

Build the loadfile() a.out, ECOFF, and ELF back-ends as separate
objects.

Split the exec formats included by loadfile() into separate files.
Primary goal: explcitly select which ELF format (elf32 or elf64) to
support for a cross tool which uses loadfile().

Catch up with -current.

update to -current

When loading ELF, zero out:
The e_shstrndx field in the ELF header, since we don't load .shstrtab.
The sh_name field in each section header, for the same reason.
The sh_offset field for any section we don't load.

This means the kernel has some chance of knowing what it's being given.  It
also means that the behaviour of old kernels with new loaders should be
deterministic (if not terribly useful: they still can't find the symbol
table).

G/C "off", since it was just tracking the difference between maxp and elfp.

Fix a small memory leak when counting the size of the symbol table (shp was
ALLOC'ed if (LOAD_SYM|COUNT_SYM), but FREEd if (LOAD_SYM)).

When loading an ELF kernel, don't load all the STRTAB sections.  Instead, just
load those STRTAB sections that are referenced by a SYMTAB that we're loading.

The main advantage of this is that (at least with the binaries output by my
ARM ELF linker) this removes the need to seek backwards through the file, which
is a big win when loading a gzipped kernel.

While we're here, don't allocate space for string tables we don't load.

Avoid warnings about uninitialised usage.

Back out previous. The booter will need to find the symbol table itself,
as explained in the code.

From Nigel Pearson: Make SYMS and NSYMS work on ELF.
The MacOS booter needs them.

Pull up revision 1.9 (requested by tsutsui):
  Don't print ``]'' if loading kernel does not have a symbol table.

Sync with HEAD.

Don't try to load a.out header if there is no space for it before text.

Sync with HEAD.

Update thorpej_scsipi to -current as of a month ago

Don't print "]" if loading kernel does not have symbol table.

Add define NO_MID_CHECK that avoids checking of the a.out mid field.

Fix IS_DATA and IS_TEXT. PF_X and PF_W are valid on p_pflags, not p_ptype.

Pull up to last week's -current.

Sync with -current

Backout my libsa changes.

Update for the improvements to libsa, and don't reference libkern.h.

Update to match new SVR4-style definition names in <sys/exec_elf.h>.

- a.out header is not a part of text segment in NMAGIC.
- Fix section alignment code.
Patch supplied by Izumi Tsutsui, PR #8575.

Sync w/ -current.

cosmetic printf change

MI loadfile (used by i386, pmax and sparc shortly)