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authorGeorg-Johann Lay <gjl@gcc.gnu.org>2017-02-27 17:05:53 +0000
committerNick Clifton <nickc@redhat.com>2017-02-27 17:05:53 +0000
commitfbf25dfdfdba2c057e7ccdae4e0d6a2139c66dd5 (patch)
tree47129b16ca9d33296429b487e55c047b829367e2 /ld
parent47612ae91c5f2de8960df1d96adf225d2455123f (diff)
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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*.
Diffstat (limited to 'ld')
-rw-r--r--ld/ChangeLog7
-rw-r--r--ld/scripttempl/avrtiny.sc10
2 files changed, 15 insertions, 2 deletions
diff --git a/ld/ChangeLog b/ld/ChangeLog
index 6e844a6..a4f2406 100644
--- a/ld/ChangeLog
+++ b/ld/ChangeLog
@@ -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.
diff --git a/ld/scripttempl/avrtiny.sc b/ld/scripttempl/avrtiny.sc
index 6fd2246..5a6d4ae 100644
--- a/ld/scripttempl/avrtiny.sc
+++ b/ld/scripttempl/avrtiny.sc
@@ -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 = . ; }