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[binutils-gdb] Add missing PowerPC64 ld --save-restore-funcs doc


https://sourceware.org/git/gitweb.cgi?p=binutils-gdb.git;h=7ae4ea7d0db5228d8978d52bebac2b1d95a78560

commit 7ae4ea7d0db5228d8978d52bebac2b1d95a78560
Author: Alan Modra <amodra@gmail.com>
Date:   Fri Sep 18 14:51:50 2015 +0930

    Add missing PowerPC64 ld --save-restore-funcs doc
    
    	* ld.texinfo: Document --{no-,}save-restore-funcs.

Diff:
---
 ld/ChangeLog  |  4 ++++
 ld/ld.texinfo | 10 ++++++++++
 2 files changed, 14 insertions(+)

diff --git a/ld/ChangeLog b/ld/ChangeLog
index f495ed2..e73abeb 100644
--- a/ld/ChangeLog
+++ b/ld/ChangeLog
@@ -1,5 +1,9 @@
 2015-09-18  Alan Modra  <amodra@gmail.com>
 
+	* ld.texinfo: Document PowerPC64 --{no-,}save-restore-funcs.
+
+2015-09-18  Alan Modra  <amodra@gmail.com>
+
 	* emultempl/ppc64elf.em (params): Init tls_get_addr_opt field to -1.
 	(OPTION_TLS_GET_ADDR_OPT): Define.
 	(PARSE_AND_LIST_LONGOPTS): Handle --tls-get-addr-opt.
diff --git a/ld/ld.texinfo b/ld/ld.texinfo
index 57f1730..c5d39d5 100644
--- a/ld/ld.texinfo
+++ b/ld/ld.texinfo
@@ -7126,6 +7126,16 @@ to control both @samp{foo} and @samp{.foo}.  The option
 dot-prefixed patterns.  Use @samp{--no-dotsyms} to disable this
 feature.
 
+@cindex PowerPC64 register save/restore functions
+@kindex --save-restore-funcs
+@kindex --no-save-restore-funcs
+@item --save-restore-funcs, --no-save-restore-funcs
+These two options control whether PowerPC64 @command{ld} automatically
+provides out-of-line register save and restore functions used by
+@samp{-Os} code.  The default is to provide any such referenced
+function for a normal final link, and to not do so for a relocatable
+link.
+
 @cindex PowerPC64 TLS optimization
 @kindex --no-tls-optimize
 @item --no-tls-optimize


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