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Re: [patch,avr] Fix PR21569


On 12.06.2017 18:28, Georg-Johann Lay wrote:
Here is an updated patch that also simplifies the handling of
RODATA_PM_OFFSET so that avr.sc gets a bit simpler.

Output and ChangeLog remain the same.

oops, wrong delta for v2.  Again...



diff --git a/ld/Makefile.am b/ld/Makefile.am
index 3aa7e80..b509e23 100644
--- a/ld/Makefile.am
+++ b/ld/Makefile.am
@@ -922,7 +922,7 @@ eavrxmega7.c: $(srcdir)/emulparams/avrxmega7.sh \
   ${GEN_DEPENDS}
 
 eavrtiny.c: $(srcdir)/emulparams/avrtiny.sh \
-  $(srcdir)/emultempl/avrelf.em $(ELF_DEPS) $(srcdir)/scripttempl/avrtiny.sc \
+  $(srcdir)/emultempl/avrelf.em $(ELF_DEPS) $(srcdir)/scripttempl/avr.sc \
   ${GEN_DEPENDS}
 
 ecoff_i860.c: $(srcdir)/emulparams/coff_i860.sh \
diff --git a/ld/Makefile.in b/ld/Makefile.in
index f485f4f..b69d6b8 100644
--- a/ld/Makefile.in
+++ b/ld/Makefile.in
@@ -2486,7 +2486,7 @@ eavrxmega7.c: $(srcdir)/emulparams/avrxmega7.sh \
   ${GEN_DEPENDS}
 
 eavrtiny.c: $(srcdir)/emulparams/avrtiny.sh \
-  $(srcdir)/emultempl/avrelf.em $(ELF_DEPS) $(srcdir)/scripttempl/avrtiny.sc \
+  $(srcdir)/emultempl/avrelf.em $(ELF_DEPS) $(srcdir)/scripttempl/avr.sc \
   ${GEN_DEPENDS}
 
 ecoff_i860.c: $(srcdir)/emulparams/coff_i860.sh \
diff --git a/ld/emulparams/avr1.sh b/ld/emulparams/avr1.sh
index 2f6af99..0fa6eed 100644
--- a/ld/emulparams/avr1.sh
+++ b/ld/emulparams/avr1.sh
@@ -10,3 +10,11 @@ TEXT_LENGTH=8K
 DATA_ORIGIN=0x800060
 DATA_LENGTH=0
 EXTRA_EM_FILE=avrelf
+
+FUSE_NAME=fuse
+
+EEPROM_LENGTH=64K
+FUSE_LENGTH=1K
+LOCK_LENGTH=1K
+SIGNATURE_LENGTH=1K
+USER_SIGNATURE_LENGTH=1K
diff --git a/ld/emulparams/avr2.sh b/ld/emulparams/avr2.sh
index cb35bb9..e0bdc21 100644
--- a/ld/emulparams/avr2.sh
+++ b/ld/emulparams/avr2.sh
@@ -10,3 +10,11 @@ TEXT_LENGTH=8K
 DATA_ORIGIN=0x800060
 DATA_LENGTH=0xffa0
 EXTRA_EM_FILE=avrelf
+
+FUSE_NAME=fuse
+
+EEPROM_LENGTH=64K
+FUSE_LENGTH=1K
+LOCK_LENGTH=1K
+SIGNATURE_LENGTH=1K
+USER_SIGNATURE_LENGTH=1K
diff --git a/ld/emulparams/avr25.sh b/ld/emulparams/avr25.sh
index 2965347..4a6e0a3 100644
--- a/ld/emulparams/avr25.sh
+++ b/ld/emulparams/avr25.sh
@@ -10,3 +10,11 @@ TEXT_LENGTH=8K
 DATA_ORIGIN=0x800060
 DATA_LENGTH=0xffa0
 EXTRA_EM_FILE=avrelf
+
+FUSE_NAME=fuse
+
+EEPROM_LENGTH=64K
+FUSE_LENGTH=1K
+LOCK_LENGTH=1K
+SIGNATURE_LENGTH=1K
+USER_SIGNATURE_LENGTH=1K
diff --git a/ld/emulparams/avr3.sh b/ld/emulparams/avr3.sh
index a0b86c4..f02dd39 100644
--- a/ld/emulparams/avr3.sh
+++ b/ld/emulparams/avr3.sh
@@ -10,3 +10,11 @@ TEXT_LENGTH=128K
 DATA_ORIGIN=0x800060
 DATA_LENGTH=0xffa0
 EXTRA_EM_FILE=avrelf
+
+FUSE_NAME=fuse
+
+EEPROM_LENGTH=64K
+FUSE_LENGTH=1K
+LOCK_LENGTH=1K
+SIGNATURE_LENGTH=1K
+USER_SIGNATURE_LENGTH=1K
diff --git a/ld/emulparams/avr31.sh b/ld/emulparams/avr31.sh
index 6e1ee0a..0bf3c0f 100644
--- a/ld/emulparams/avr31.sh
+++ b/ld/emulparams/avr31.sh
@@ -10,3 +10,11 @@ TEXT_LENGTH=128K
 DATA_ORIGIN=0x800060
 DATA_LENGTH=0xffa0
 EXTRA_EM_FILE=avrelf
+
+FUSE_NAME=fuse
+
+EEPROM_LENGTH=64K
+FUSE_LENGTH=1K
+LOCK_LENGTH=1K
+SIGNATURE_LENGTH=1K
+USER_SIGNATURE_LENGTH=1K
diff --git a/ld/emulparams/avr35.sh b/ld/emulparams/avr35.sh
index abc6790..fe83dc8 100644
--- a/ld/emulparams/avr35.sh
+++ b/ld/emulparams/avr35.sh
@@ -10,3 +10,11 @@ TEXT_LENGTH=64K
 DATA_ORIGIN=0x800060
 DATA_LENGTH=0xffa0
 EXTRA_EM_FILE=avrelf
+
+FUSE_NAME=fuse
+
+EEPROM_LENGTH=64K
+FUSE_LENGTH=1K
+LOCK_LENGTH=1K
+SIGNATURE_LENGTH=1K
+USER_SIGNATURE_LENGTH=1K
diff --git a/ld/emulparams/avr4.sh b/ld/emulparams/avr4.sh
index deaf3e7..ccda23f 100644
--- a/ld/emulparams/avr4.sh
+++ b/ld/emulparams/avr4.sh
@@ -10,3 +10,11 @@ TEXT_LENGTH=8K
 DATA_ORIGIN=0x800060
 DATA_LENGTH=0xffa0
 EXTRA_EM_FILE=avrelf
+
+FUSE_NAME=fuse
+
+EEPROM_LENGTH=64K
+FUSE_LENGTH=1K
+LOCK_LENGTH=1K
+SIGNATURE_LENGTH=1K
+USER_SIGNATURE_LENGTH=1K
diff --git a/ld/emulparams/avr5.sh b/ld/emulparams/avr5.sh
index 2d0fc4f..64e9d66 100644
--- a/ld/emulparams/avr5.sh
+++ b/ld/emulparams/avr5.sh
@@ -10,3 +10,11 @@ TEXT_LENGTH=128K
 DATA_ORIGIN=0x800060
 DATA_LENGTH=0xffa0
 EXTRA_EM_FILE=avrelf
+
+FUSE_NAME=fuse
+
+EEPROM_LENGTH=64K
+FUSE_LENGTH=1K
+LOCK_LENGTH=1K
+SIGNATURE_LENGTH=1K
+USER_SIGNATURE_LENGTH=1K
diff --git a/ld/emulparams/avr51.sh b/ld/emulparams/avr51.sh
index 2069dfe..b097771 100644
--- a/ld/emulparams/avr51.sh
+++ b/ld/emulparams/avr51.sh
@@ -10,3 +10,11 @@ TEXT_LENGTH=128K
 DATA_ORIGIN=0x800100
 DATA_LENGTH=0xff00
 EXTRA_EM_FILE=avrelf
+
+FUSE_NAME=fuse
+
+EEPROM_LENGTH=64K
+FUSE_LENGTH=1K
+LOCK_LENGTH=1K
+SIGNATURE_LENGTH=1K
+USER_SIGNATURE_LENGTH=1K
diff --git a/ld/emulparams/avr6.sh b/ld/emulparams/avr6.sh
index c1a4fab..10efa6f 100644
--- a/ld/emulparams/avr6.sh
+++ b/ld/emulparams/avr6.sh
@@ -10,3 +10,11 @@ TEXT_LENGTH=1024K
 DATA_ORIGIN=0x800200
 DATA_LENGTH=0xfe00
 EXTRA_EM_FILE=avrelf
+
+FUSE_NAME=fuse
+
+EEPROM_LENGTH=64K
+FUSE_LENGTH=1K
+LOCK_LENGTH=1K
+SIGNATURE_LENGTH=1K
+USER_SIGNATURE_LENGTH=1K
diff --git a/ld/emulparams/avrtiny.sh b/ld/emulparams/avrtiny.sh
index b4ed14b..4aca22b 100644
--- a/ld/emulparams/avrtiny.sh
+++ b/ld/emulparams/avrtiny.sh
@@ -1,13 +1,19 @@
 ARCH=avr:100
 MACHINE=
-SCRIPT_NAME=avrtiny
+SCRIPT_NAME=avr
 OUTPUT_FORMAT="elf32-avr"
 MAXPAGESIZE=1
 EMBEDDED=yes
 TEMPLATE_NAME=elf32
 
-TEXT_ORIGIN=0x0
 TEXT_LENGTH=4K
 DATA_ORIGIN=0x0800040
 DATA_LENGTH=0x100
+RODATA_PM_OFFSET=0x4000
 EXTRA_EM_FILE=avrelf
+
+FUSE_NAME=config
+
+FUSE_LENGTH=2
+LOCK_LENGTH=2
+SIGNATURE_LENGTH=4
diff --git a/ld/emulparams/avrxmega1.sh b/ld/emulparams/avrxmega1.sh
index 95e8aac..722ee18 100644
--- a/ld/emulparams/avrxmega1.sh
+++ b/ld/emulparams/avrxmega1.sh
@@ -10,3 +10,11 @@ TEXT_LENGTH=1024K
 DATA_ORIGIN=0x802000
 DATA_LENGTH=0xffa0
 EXTRA_EM_FILE=avrelf
+
+FUSE_NAME=fuse
+
+EEPROM_LENGTH=64K
+FUSE_LENGTH=1K
+LOCK_LENGTH=1K
+SIGNATURE_LENGTH=1K
+USER_SIGNATURE_LENGTH=1K
diff --git a/ld/emulparams/avrxmega2.sh b/ld/emulparams/avrxmega2.sh
index f282a69..d9211b2 100644
--- a/ld/emulparams/avrxmega2.sh
+++ b/ld/emulparams/avrxmega2.sh
@@ -10,3 +10,11 @@ TEXT_LENGTH=1024K
 DATA_ORIGIN=0x802000
 DATA_LENGTH=0xffa0
 EXTRA_EM_FILE=avrelf
+
+FUSE_NAME=fuse
+
+EEPROM_LENGTH=64K
+FUSE_LENGTH=1K
+LOCK_LENGTH=1K
+SIGNATURE_LENGTH=1K
+USER_SIGNATURE_LENGTH=1K
diff --git a/ld/emulparams/avrxmega3.sh b/ld/emulparams/avrxmega3.sh
index 7c5a1e5..b33f895 100644
--- a/ld/emulparams/avrxmega3.sh
+++ b/ld/emulparams/avrxmega3.sh
@@ -11,3 +11,11 @@ DATA_ORIGIN=0x802000
 DATA_LENGTH=0xffa0
 RODATA_PM_OFFSET=0x8000
 EXTRA_EM_FILE=avrelf
+
+FUSE_NAME=fuse
+
+EEPROM_LENGTH=64K
+FUSE_LENGTH=1K
+LOCK_LENGTH=1K
+SIGNATURE_LENGTH=1K
+USER_SIGNATURE_LENGTH=1K
diff --git a/ld/emulparams/avrxmega4.sh b/ld/emulparams/avrxmega4.sh
index 829c8b7..02ef7d7 100644
--- a/ld/emulparams/avrxmega4.sh
+++ b/ld/emulparams/avrxmega4.sh
@@ -10,3 +10,11 @@ TEXT_LENGTH=1024K
 DATA_ORIGIN=0x802000
 DATA_LENGTH=0xffa0
 EXTRA_EM_FILE=avrelf
+
+FUSE_NAME=fuse
+
+EEPROM_LENGTH=64K
+FUSE_LENGTH=1K
+LOCK_LENGTH=1K
+SIGNATURE_LENGTH=1K
+USER_SIGNATURE_LENGTH=1K
diff --git a/ld/emulparams/avrxmega5.sh b/ld/emulparams/avrxmega5.sh
index 0a09aee..93b69da 100644
--- a/ld/emulparams/avrxmega5.sh
+++ b/ld/emulparams/avrxmega5.sh
@@ -10,3 +10,11 @@ TEXT_LENGTH=1024K
 DATA_ORIGIN=0x802000
 DATA_LENGTH=0xffa0
 EXTRA_EM_FILE=avrelf
+
+FUSE_NAME=fuse
+
+EEPROM_LENGTH=64K
+FUSE_LENGTH=1K
+LOCK_LENGTH=1K
+SIGNATURE_LENGTH=1K
+USER_SIGNATURE_LENGTH=1K
diff --git a/ld/emulparams/avrxmega6.sh b/ld/emulparams/avrxmega6.sh
index 3c3a468..f7dae40 100644
--- a/ld/emulparams/avrxmega6.sh
+++ b/ld/emulparams/avrxmega6.sh
@@ -10,3 +10,11 @@ TEXT_LENGTH=1024K
 DATA_ORIGIN=0x802000
 DATA_LENGTH=0xffa0
 EXTRA_EM_FILE=avrelf
+
+FUSE_NAME=fuse
+
+EEPROM_LENGTH=64K
+FUSE_LENGTH=1K
+LOCK_LENGTH=1K
+SIGNATURE_LENGTH=1K
+USER_SIGNATURE_LENGTH=1K
diff --git a/ld/emulparams/avrxmega7.sh b/ld/emulparams/avrxmega7.sh
index b84a0ba..578f52a 100644
--- a/ld/emulparams/avrxmega7.sh
+++ b/ld/emulparams/avrxmega7.sh
@@ -10,3 +10,11 @@ TEXT_LENGTH=1024K
 DATA_ORIGIN=0x802000
 DATA_LENGTH=0xffa0
 EXTRA_EM_FILE=avrelf
+
+FUSE_NAME=fuse
+
+EEPROM_LENGTH=64K
+FUSE_LENGTH=1K
+LOCK_LENGTH=1K
+SIGNATURE_LENGTH=1K
+USER_SIGNATURE_LENGTH=1K
diff --git a/ld/scripttempl/avr.sc b/ld/scripttempl/avr.sc
index 144d32d..1b74dc4 100644
--- a/ld/scripttempl/avr.sc
+++ b/ld/scripttempl/avr.sc
@@ -27,29 +27,21 @@ OUTPUT_ARCH(${ARCH})
 
 __TEXT_REGION_LENGTH__ = DEFINED(__TEXT_REGION_LENGTH__) ? __TEXT_REGION_LENGTH__ : $TEXT_LENGTH;
 __DATA_REGION_LENGTH__ = DEFINED(__DATA_REGION_LENGTH__) ? __DATA_REGION_LENGTH__ : $DATA_LENGTH;
-__EEPROM_REGION_LENGTH__ = DEFINED(__EEPROM_REGION_LENGTH__) ? __EEPROM_REGION_LENGTH__ : 64K;
-__FUSE_REGION_LENGTH__ = DEFINED(__FUSE_REGION_LENGTH__) ? __FUSE_REGION_LENGTH__ : 1K;
-__LOCK_REGION_LENGTH__ = DEFINED(__LOCK_REGION_LENGTH__) ? __LOCK_REGION_LENGTH__ : 1K;
-__SIGNATURE_REGION_LENGTH__ = DEFINED(__SIGNATURE_REGION_LENGTH__) ? __SIGNATURE_REGION_LENGTH__ : 1K;
-__USER_SIGNATURE_REGION_LENGTH__ = DEFINED(__USER_SIGNATURE_REGION_LENGTH__) ? __USER_SIGNATURE_REGION_LENGTH__ : 1K;
-EOF
-
-if test -n "$RODATA_PM_OFFSET"; then
-    cat <<EOF
-__RODATA_PM_OFFSET__ = DEFINED(__RODATA_PM_OFFSET__) ? __RODATA_PM_OFFSET__ : $RODATA_PM_OFFSET;
-EOF
-fi
-
-cat <<EOF
+${EEPROM_LENGTH+__EEPROM_REGION_LENGTH__ = DEFINED(__EEPROM_REGION_LENGTH__) ? __EEPROM_REGION_LENGTH__ : $EEPROM_LENGTH;}
+__FUSE_REGION_LENGTH__ = DEFINED(__FUSE_REGION_LENGTH__) ? __FUSE_REGION_LENGTH__ : $FUSE_LENGTH;
+__LOCK_REGION_LENGTH__ = DEFINED(__LOCK_REGION_LENGTH__) ? __LOCK_REGION_LENGTH__ : $LOCK_LENGTH;
+__SIGNATURE_REGION_LENGTH__ = DEFINED(__SIGNATURE_REGION_LENGTH__) ? __SIGNATURE_REGION_LENGTH__ : $SIGNATURE_LENGTH;
+${USER_SIGNATURE_LENGTH+__USER_SIGNATURE_REGION_LENGTH__ = DEFINED(__USER_SIGNATURE_REGION_LENGTH__) ? __USER_SIGNATURE_REGION_LENGTH__ : $USER_SIGNATURE_LENGTH;}
+${RODATA_PM_OFFSET+__RODATA_PM_OFFSET__ = DEFINED(__RODATA_PM_OFFSET__) ? __RODATA_PM_OFFSET__ : $RODATA_PM_OFFSET;}
 MEMORY
 {
   text   (rx)   : ORIGIN = 0, LENGTH = __TEXT_REGION_LENGTH__
   data   (rw!x) : ORIGIN = $DATA_ORIGIN, LENGTH = __DATA_REGION_LENGTH__
-  eeprom (rw!x) : ORIGIN = 0x810000, LENGTH = __EEPROM_REGION_LENGTH__
-  fuse      (rw!x) : ORIGIN = 0x820000, LENGTH = __FUSE_REGION_LENGTH__
+${EEPROM_LENGTH+  eeprom (rw!x) : ORIGIN = 0x810000, LENGTH = __EEPROM_REGION_LENGTH__}
+  $FUSE_NAME      (rw!x) : ORIGIN = 0x820000, LENGTH = __FUSE_REGION_LENGTH__
   lock      (rw!x) : ORIGIN = 0x830000, LENGTH = __LOCK_REGION_LENGTH__
   signature (rw!x) : ORIGIN = 0x840000, LENGTH = __SIGNATURE_REGION_LENGTH__
-  user_signatures (rw!x) : ORIGIN = 0x850000, LENGTH = __USER_SIGNATURE_REGION_LENGTH__
+${USER_SIGNATURE_LENGTH+  user_signatures (rw!x) : ORIGIN = 0x850000, LENGTH = __USER_SIGNATURE_REGION_LENGTH__}
 }
 
 SECTIONS
@@ -271,6 +263,10 @@ cat <<EOF
     ${RELOCATING+ _end = . ;  }
     ${RELOCATING+ PROVIDE (__heap_start = .) ; }
   } ${RELOCATING+ > data}
+EOF
+
+if test -n "${EEPROM_LENGTH}"; then
+cat <<EOF
 
   .eeprom ${RELOCATING-0}:
   {
@@ -278,6 +274,11 @@ cat <<EOF
     KEEP(*(.eeprom*))
     ${RELOCATING+ __eeprom_end = . ; }
   } ${RELOCATING+ > eeprom}
+EOF
+fi
+
+if test "$FUSE_NAME" = "fuse" ; then
+cat <<EOF
 
   .fuse ${RELOCATING-0}:
   {
@@ -286,6 +287,10 @@ cat <<EOF
     KEEP(*(.hfuse))
     KEEP(*(.efuse))
   } ${RELOCATING+ > fuse}
+EOF
+fi
+
+cat <<EOF
 
   .lock ${RELOCATING-0}:
   {
@@ -296,6 +301,19 @@ cat <<EOF
   {
     KEEP(*(.signature*))
   } ${RELOCATING+ > signature}
+EOF
+
+if test "$FUSE_NAME" = "config" ; then
+cat <<EOF
+
+  .config ${RELOCATING-0}:
+  {
+    KEEP(*(.config*))
+  } ${RELOCATING+ > config}
+EOF
+fi
+
+cat <<EOF
 
   /* Stabs debugging sections.  */
   .stab 0 : { *(.stab) }

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