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Fixes a problem with the linker script parser not always handling the ! character in memort region attributes.

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PR ld/17900
	* ldlang.c (lang_set_flags): Allow exclamation mark to reverse the
	sense of the following memory region attribute characters.
This commit is contained in:
Nick Clifton
2015-02-27 16:19:57 +00:00
parent 07697489f4
commit f0673d2040
2 changed files with 15 additions and 1 deletions
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6
ld/ChangeLog
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@@ -1,3 +1,9 @@
2015-02-27 Nick Clifton <nickc@redhat.com>
PR ld/17900
* ldlang.c (lang_set_flags): Allow exclamation mark to reverse the
sense of the following memory region attribute characters.
2015-02-27 Alan Modra <amodra@gmail.com> 2015-02-27 Alan Modra <amodra@gmail.com>
* Makefile.am (ALL_EMULATION_SOURCES): Sort new h8300 entries. * Makefile.am (ALL_EMULATION_SOURCES): Sort new h8300 entries.

10
ld/ldlang.c
View File

@@ -6125,10 +6125,18 @@ lang_set_flags (lang_memory_region_type *ptr, const char *flags, int invert)
flagword *ptr_flags; flagword *ptr_flags;
ptr_flags = invert ? &ptr->not_flags : &ptr->flags; ptr_flags = invert ? &ptr->not_flags : &ptr->flags;
while (*flags) while (*flags)
{ {
switch (*flags) switch (*flags)
{ {
/* PR 17900: An exclamation mark in the attributes reverses
the sense of any of the attributes that follow. */
case '!':
invert = ! invert;
ptr_flags = invert ? &ptr->not_flags : &ptr->flags;
break;
case 'A': case 'a': case 'A': case 'a':
*ptr_flags |= SEC_ALLOC; *ptr_flags |= SEC_ALLOC;
break; break;
@@ -6151,7 +6159,7 @@ lang_set_flags (lang_memory_region_type *ptr, const char *flags, int invert)
break; break;
default: default:
einfo (_("%P%F: invalid syntax in flags\n")); einfo (_("%P%F: invalid character %c (%d) in flags\n"), * flags, * flags);
break; break;
} }
flags++; flags++;