invoke.texi (fwritable-relocated-rdata): Document new Cygwin/MinGW target option.
* doc/invoke.texi (fwritable-relocated-rdata): Document new Cygwin/MinGW target option. * config/i386/winnt.c (i386_pe_unique_section): Ignore reloc if flag -fwritable-relocated-rdata is not set. (i386_pe_section_type_flags): Likewise. * config/i386/cygming.opt (fwritable-relocated-rdata): Add new flag variable flag_writable_rel_rdata. From-SVN: r185027
This commit is contained in:
parent
f409d239ae
commit
98b1d9b2fa
|
@ -1,3 +1,13 @@
|
|||
2012-03-07 Kai Tietz <ktietz@redhat.com>
|
||||
|
||||
* doc/invoke.texi (fwritable-relocated-rdata): Document
|
||||
new Cygwin/MinGW target option.
|
||||
* config/i386/winnt.c (i386_pe_unique_section): Ignore
|
||||
reloc if flag -fwritable-relocated-rdata is not set.
|
||||
(i386_pe_section_type_flags): Likewise.
|
||||
* config/i386/cygming.opt (fwritable-relocated-rdata):
|
||||
Add new flag variable flag_writable_rel_rdata.
|
||||
|
||||
2012-03-07 Richard Guenther <rguenther@suse.de>
|
||||
|
||||
* tree-ssa-math-opts.c (convert_mult_to_widen): Check actual
|
||||
|
|
|
@ -53,4 +53,8 @@ Compile code that relies on Cygwin DLL wrappers to support C++ operator new/dele
|
|||
posix
|
||||
Driver
|
||||
|
||||
fwritable-relocated-rdata
|
||||
Common Report Var(flag_writable_rel_rdata) Init(0)
|
||||
Put relocated read-only data into .data section.
|
||||
|
||||
; Retain blank line above
|
||||
|
|
|
@ -395,6 +395,10 @@ i386_pe_unique_section (tree decl, int reloc)
|
|||
const char *name, *prefix;
|
||||
char *string;
|
||||
|
||||
/* Ignore RELOC, if we are allowed to put relocated
|
||||
const data into read-only section. */
|
||||
if (!flag_writable_rel_rdata)
|
||||
reloc = 0;
|
||||
name = IDENTIFIER_POINTER (DECL_ASSEMBLER_NAME (decl));
|
||||
name = i386_pe_strip_name_encoding_full (name);
|
||||
|
||||
|
@ -441,6 +445,10 @@ i386_pe_section_type_flags (tree decl, const char *name, int reloc)
|
|||
unsigned int flags;
|
||||
unsigned int **slot;
|
||||
|
||||
/* Ignore RELOC, if we are allowed to put relocated
|
||||
const data into read-only section. */
|
||||
if (!flag_writable_rel_rdata)
|
||||
reloc = 0;
|
||||
/* The names we put in the hashtable will always be the unique
|
||||
versions given to us by the stringtable, so we can just use
|
||||
their addresses as the keys. */
|
||||
|
|
|
@ -14014,6 +14014,13 @@ set. This is necessary for binaries running in kernel mode of
|
|||
Microsoft Windows, as there the User32 API, which is used to set executable
|
||||
privileges, isn't available.
|
||||
|
||||
@item -fwritable-relocated-rdata
|
||||
@opindex fno-writable-relocated-rdata
|
||||
This option is available for MinGW and Cygwin targets. It specifies
|
||||
that relocated-data in read-only section is put into .data
|
||||
section. This is a necessary for older runtimes not supporting
|
||||
modification of .rdata sections for pseudo-relocation.
|
||||
|
||||
@item -mpe-aligned-commons
|
||||
@opindex mpe-aligned-commons
|
||||
This option is available for Cygwin and MinGW targets. It
|
||||
|
|
Loading…
Reference in New Issue