gcc/gcc ChangeLog config.gcc config.in configu ...

[amodra at gcc dot gnu dot org]

CVSROOT:	/cvs/gcc
Module name:	gcc
Changes by:	amodra@gcc.gnu.org	2005-06-01 00:30:33

Modified files:
	gcc            : ChangeLog config.gcc config.in configure 
	                 configure.ac 
	gcc/config/rs6000: rs6000.c rs6000.h rs6000.md sysv4.h sysv4.opt 
	                   tramp.asm 
	gcc/doc        : install.texi invoke.texi 
Added files:
	gcc/config/rs6000: secureplt.h 

Log message:
	* configure.ac: Add --enable-secureplt.
	(HAVE_AS_REL16): Test for R_PPC_REL16 relocs.
	* config.in: Regenerate.
	* configure: Regenerate.
	* config.gcc (powerpc64-*-linux*, powerpc-*-linux*): Add
	rs6000/secureplt.h to tm_file when enable_secureplt.
	* doc/invoke.texi (msecure-plt, mbss-plt): Document.
	* doc/install.texi: Document --enable-targets and --enable-secureplt.
	Correct xrefs to "Using the GNU Compiler Collection (GCC)".
	* config/rs6000/secureplt.h: New file.
	* config/rs6000/sysv4.h (TARGET_SECURE_PLT): Define.
	(SUBTARGET_OVERRIDE_OPTIONS): Error if -msecure-plt given without
	assembler support.
	(CC1_SECURE_PLT_DEFAULT_SPEC): Define.
	(CC1_SPEC): Delete duplicate mno-sdata.  Invoke cc1_secure_plt_default.
	(SUBTARGET_EXTRA_SPECS): Add cc1_secure_plt_default.
	* config/rs6000/sysv4.opt (msecure-plt, bss-plt): Add options.
	* config/rs6000/rs6000.h (TARGET_SECURE_PLT): Define.
	* config/rs6000/rs6000.c (rs6000_emit_load_toc_table): Handle
	TARGET_SECURE_PLT got register load sequence.
	(rs6000_emit_prologue): Call rs6000_emit_load_toc_table when
	TARGET_SECURE_PLT.
	(rs6000_elf_declare_function_name): Don't emit toc address offset
	word when TARGET_SECURE_PLT.
	* config/rs6000/rs6000.md (elf_high, elf_low): Move past load_toc_*.
	(load_toc_v4_PIC_1) Enable for TARGET_SECURE_PLT.
	(load_toc_v4_PIC_3b, load_toc_v4_PIC_3c): New insns.
	(call, call_value): Mark pic_offset_table_rtx used for sysv pic and
	TARGET_SECURE_PLT.
	(call_nonlocal_sysv, call_value_nonlocal_sysv, sibcall_nonlocal_sysv,
	sibcall_value_nonlocal_sysv): Add 32768 offset when TARGET_SECURE_PLT
	and -fPIC.
	* config/rs6000/tramp.asm (trampoline_initial): Use "bcl 20,31".
	(__trampoline_setup): Likewise.  Init r30 before plt call.

Patches:
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/ChangeLog.diff?cvsroot=gcc&r1=2.8960&r2=2.8961
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/config.gcc.diff?cvsroot=gcc&r1=1.546&r2=1.547
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/config.in.diff?cvsroot=gcc&r1=1.213&r2=1.214
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/configure.diff?cvsroot=gcc&r1=1.906&r2=1.907
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/configure.ac.diff?cvsroot=gcc&r1=2.113&r2=2.114
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/config/rs6000/secureplt.h.diff?cvsroot=gcc&r1=NONE&r2=1.1
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/config/rs6000/rs6000.c.diff?cvsroot=gcc&r1=1.827&r2=1.828
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/config/rs6000/rs6000.h.diff?cvsroot=gcc&r1=1.366&r2=1.367
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/config/rs6000/rs6000.md.diff?cvsroot=gcc&r1=1.370&r2=1.371
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/config/rs6000/sysv4.h.diff?cvsroot=gcc&r1=1.162&r2=1.163
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/config/rs6000/sysv4.opt.diff?cvsroot=gcc&r1=1.3&r2=1.4
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/config/rs6000/tramp.asm.diff?cvsroot=gcc&r1=1.6&r2=1.7
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/doc/install.texi.diff?cvsroot=gcc&r1=1.353&r2=1.354
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/doc/invoke.texi.diff?cvsroot=gcc&r1=1.627&r2=1.628