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2009-04-21 Sandra Loosemore <sandra@codesourcery.com> 

* libc/reent/impure.c (__sf_fake_stdin, __sf_fake_stdout)
        (__sf_fake_stderr): Declare locally with weak attribute.
This commit is contained in:
Jeff Johnston 2009-04-21 18:38:53 +00:00
parent 15b71e6679
commit 161e368ac4
2 changed files with 16 additions and 0 deletions
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5
newlib/ChangeLog
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@ -1,3 +1,8 @@
2009-04-21 Sandra Loosemore <sandra@codesourcery.com>
* libc/reent/impure.c (__sf_fake_stdin, __sf_fake_stdout)
(__sf_fake_stderr): Declare locally with weak attribute.
2009-04-21 Mark Mitchell <mark@codesourcery.com>
* libc/include/_ansi.h: Move C++ defines to top of file.

11
newlib/libc/reent/impure.c
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@ -9,6 +9,17 @@
#define __ATTRIBUTE_IMPURE_DATA__
#endif
/* Redeclare these symbols locally as weak so that the file containing
their definitions (along with a lot of other stuff) isn't sucked in
unless they are actually used by other compilation units. This is
important to reduce image size for targets with very small amounts
of memory. */
#ifdef _REENT_SMALL
extern const struct __sFILE_fake __sf_fake_stdin _ATTRIBUTE ((weak));
extern const struct __sFILE_fake __sf_fake_stdout _ATTRIBUTE ((weak));
extern const struct __sFILE_fake __sf_fake_stderr _ATTRIBUTE ((weak));
#endif
static struct _reent __ATTRIBUTE_IMPURE_DATA__ impure_data = _REENT_INIT (impure_data);
#ifdef __CYGWIN__
extern struct _reent reent_data __attribute__ ((alias("impure_data")));