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Place read-only data in the text section on AVR Tiny targets. 

PR target/20849
        * scripttempl/avrtiny.sc (__RODATA_PM_OFFSET__): New define.
        (.rodata): New section.
        (.data): Remove .rodata*.
This commit is contained in:
Georg-Johann Lay 2017-02-27 17:05:53 +00:00 committed by Nick Clifton
parent 47612ae91c
commit fbf25dfdfd
2 changed files with 15 additions and 2 deletions
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7
ld/ChangeLog
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@ -1,3 +1,10 @@
2017-02-27 Georg-Johann Lay <gjl@gcc.gnu.org>
PR target/20849
* scripttempl/avrtiny.sc (__RODATA_PM_OFFSET__): New define.
(.rodata): New section.
(.data): Remove .rodata*.
2017-02-25 Alan Modra <amodra@gmail.com>
* testsuite/ld-elf/elf.exp: Xfail pr20995 tests on hppa64-hpux.

10
ld/scripttempl/avrtiny.sc
View File

@ -19,6 +19,7 @@ __DATA_REGION_LENGTH__ = DEFINED(__DATA_REGION_LENGTH__) ? __DATA_REGION_LENGTH_
__FUSE_REGION_LENGTH__ = DEFINED(__FUSE_REGION_LENGTH__) ? __FUSE_REGION_LENGTH__ : 2;
__LOCK_REGION_LENGTH__ = DEFINED(__LOCK_REGION_LENGTH__) ? __LOCK_REGION_LENGTH__ : 2;
__SIGNATURE_REGION_LENGTH__ = DEFINED(__SIGNATURE_REGION_LENGTH__) ? __SIGNATURE_REGION_LENGTH__ : 4;
__RODATA_PM_OFFSET__ = DEFINED(__RODATA_PM_OFFSET__) ? __RODATA_PM_OFFSET__ : 0x4000;
MEMORY
{
@ -188,13 +189,18 @@ SECTIONS
${RELOCATING+ _etext = . ; }
} ${RELOCATING+ > text}
.rodata ${RELOCATING+ ADDR(.text) + SIZEOF (.text) + __RODATA_PM_OFFSET__ } ${RELOCATING-0} :
{
*(.rodata)
${RELOCATING+ *(.rodata*)}
*(.gnu.linkonce.r*)
} ${RELOCATING+AT> text}
.data ${RELOCATING-0} :
{
${RELOCATING+ PROVIDE (__data_start = .) ; }
*(.data)
${RELOCATING+ *(.data*)}
*(.rodata) /* We need to include .rodata here if gcc is used */
${RELOCATING+ *(.rodata*)} /* with -fdata-sections. */
*(.gnu.linkonce.d*)
${RELOCATING+. = ALIGN(2);}
${RELOCATING+ _edata = . ; }