aboutsummaryrefslogtreecommitdiff
path: root/ld
diff options
context:
space:
mode:
Diffstat (limited to 'ld')
-rw-r--r--ld/ChangeLog14
-rw-r--r--ld/Makefile.am5
-rw-r--r--ld/Makefile.in6
-rw-r--r--ld/configure.tgt2
-rw-r--r--ld/emulparams/avrtiny.sh13
-rw-r--r--ld/scripttempl/avrtiny.sc250
6 files changed, 289 insertions, 1 deletions
diff --git a/ld/ChangeLog b/ld/ChangeLog
index a903fc0..70060a1 100644
--- a/ld/ChangeLog
+++ b/ld/ChangeLog
@@ -1,3 +1,17 @@
+2014-07-01 Barney Stratford <barney_stratford@fastmail.fm>
+ Senthil Kumar Selvaraj <senthil_kumar.selvaraj@atmel.com>
+ Pitchumani Sivanupandi <pitchumani.s@atmel.com>
+ Soundararajan <Sounderarajan.D@atmel.com>
+
+ * Makefile.am (ALL_EMULATION_SOURCES): Add avrtiny emulation source.
+ (eavrtiny.c): Add rules for avrtiny emulation source.
+ * Makefile.in: Regenerate.
+ * configure.tgt: Add avrtiny to avr target emulations.
+ * scripttempl/avrtiny.sc: New file. Linker script template for
+ avrtiny arch.
+ * emulparams/avrtiny.sh: New file. Emulation parameters for
+ avrtiny arch.
+
2014-06-30 Ulrich Drepper <drepper@gmail.com>
* lexsup.c (parse_args): Check whether provided SONAME is empty
diff --git a/ld/Makefile.am b/ld/Makefile.am
index 24560a0..2bb2cac 100644
--- a/ld/Makefile.am
+++ b/ld/Makefile.am
@@ -193,6 +193,7 @@ ALL_EMULATION_SOURCES = \
eavrxmega5.c \
eavrxmega6.c \
eavrxmega7.c \
+ eavrtiny.c \
ecoff_i860.c \
ecoff_sparc.c \
ecrisaout.c \
@@ -848,6 +849,10 @@ eavrxmega7.c: $(srcdir)/emulparams/avrxmega7.sh \
$(srcdir)/emultempl/avrelf.em $(ELF_DEPS) $(srcdir)/scripttempl/avr.sc \
${GEN_DEPENDS}
+eavrtiny.c: $(srcdir)/emulparams/avrtiny.sh \
+ $(srcdir)/emultempl/avrelf.em $(ELF_DEPS) $(srcdir)/scripttempl/avrtiny.sc \
+ ${GEN_DEPENDS}
+
ecoff_i860.c: $(srcdir)/emulparams/coff_i860.sh \
$(srcdir)/emultempl/generic.em $(srcdir)/scripttempl/i860coff.sc ${GEN_DEPENDS}
diff --git a/ld/Makefile.in b/ld/Makefile.in
index 377fbd8..dc4b61e 100644
--- a/ld/Makefile.in
+++ b/ld/Makefile.in
@@ -500,6 +500,7 @@ ALL_EMULATION_SOURCES = \
eavrxmega5.c \
eavrxmega6.c \
eavrxmega7.c \
+ eavrtiny.c \
ecoff_i860.c \
ecoff_sparc.c \
ecrisaout.c \
@@ -1087,6 +1088,7 @@ distclean-compile:
@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/eavr5.Po@am__quote@
@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/eavr51.Po@am__quote@
@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/eavr6.Po@am__quote@
+@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/eavrtiny.Po@am__quote@
@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/eavrxmega1.Po@am__quote@
@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/eavrxmega2.Po@am__quote@
@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/eavrxmega3.Po@am__quote@
@@ -2287,6 +2289,10 @@ eavrxmega7.c: $(srcdir)/emulparams/avrxmega7.sh \
$(srcdir)/emultempl/avrelf.em $(ELF_DEPS) $(srcdir)/scripttempl/avr.sc \
${GEN_DEPENDS}
+eavrtiny.c: $(srcdir)/emulparams/avrtiny.sh \
+ $(srcdir)/emultempl/avrelf.em $(ELF_DEPS) $(srcdir)/scripttempl/avrtiny.sc \
+ ${GEN_DEPENDS}
+
ecoff_i860.c: $(srcdir)/emulparams/coff_i860.sh \
$(srcdir)/emultempl/generic.em $(srcdir)/scripttempl/i860coff.sc ${GEN_DEPENDS}
diff --git a/ld/configure.tgt b/ld/configure.tgt
index a230207..e74e9be 100644
--- a/ld/configure.tgt
+++ b/ld/configure.tgt
@@ -140,7 +140,7 @@ arm*-*-uclinux*) targ_emul=armelf_linux
arm-*-vxworks) targ_emul=armelf_vxworks ;;
arm*-*-conix*) targ_emul=armelf ;;
avr-*-*) targ_emul=avr2
- targ_extra_emuls="avr1 avr25 avr3 avr31 avr35 avr4 avr5 avr51 avr6 avrxmega1 avrxmega2 avrxmega3 avrxmega4 avrxmega5 avrxmega6 avrxmega7"
+ targ_extra_emuls="avr1 avr25 avr3 avr31 avr35 avr4 avr5 avr51 avr6 avrxmega1 avrxmega2 avrxmega3 avrxmega4 avrxmega5 avrxmega6 avrxmega7 avrtiny"
;;
bfin-*-elf) targ_emul=elf32bfin;
targ_extra_emuls="elf32bfinfd"
diff --git a/ld/emulparams/avrtiny.sh b/ld/emulparams/avrtiny.sh
new file mode 100644
index 0000000..b4ed14b
--- /dev/null
+++ b/ld/emulparams/avrtiny.sh
@@ -0,0 +1,13 @@
+ARCH=avr:100
+MACHINE=
+SCRIPT_NAME=avrtiny
+OUTPUT_FORMAT="elf32-avr"
+MAXPAGESIZE=1
+EMBEDDED=yes
+TEMPLATE_NAME=elf32
+
+TEXT_ORIGIN=0x0
+TEXT_LENGTH=4K
+DATA_ORIGIN=0x0800040
+DATA_LENGTH=0x100
+EXTRA_EM_FILE=avrelf
diff --git a/ld/scripttempl/avrtiny.sc b/ld/scripttempl/avrtiny.sc
new file mode 100644
index 0000000..b3a49d1
--- /dev/null
+++ b/ld/scripttempl/avrtiny.sc
@@ -0,0 +1,250 @@
+cat <<EOF
+OUTPUT_FORMAT("${OUTPUT_FORMAT}","${OUTPUT_FORMAT}","${OUTPUT_FORMAT}")
+OUTPUT_ARCH(${ARCH})
+
+MEMORY
+{
+ text (rx) : ORIGIN = $TEXT_ORIGIN, LENGTH = $TEXT_LENGTH
+ data (rw!x) : ORIGIN = $DATA_ORIGIN, LENGTH = $DATA_LENGTH
+
+ /* Provide offsets for config, lock and signature to match
+ production file format. Ignore offsets in datasheet. */
+
+ config (rw!x) : ORIGIN = 0x820000, LENGTH = 2
+ lock (rw!x) : ORIGIN = 0x830000, LENGTH = 2
+ signature (rw!x) : ORIGIN = 0x840000, LENGTH = 4
+}
+
+SECTIONS
+{
+ /* Read-only sections, merged into text segment: */
+ ${TEXT_DYNAMIC+${DYNAMIC}}
+ .hash ${RELOCATING-0} : { *(.hash) }
+ .dynsym ${RELOCATING-0} : { *(.dynsym) }
+ .dynstr ${RELOCATING-0} : { *(.dynstr) }
+ .gnu.version ${RELOCATING-0} : { *(.gnu.version) }
+ .gnu.version_d ${RELOCATING-0} : { *(.gnu.version_d) }
+ .gnu.version_r ${RELOCATING-0} : { *(.gnu.version_r) }
+
+ .rel.init ${RELOCATING-0} : { *(.rel.init) }
+ .rela.init ${RELOCATING-0} : { *(.rela.init) }
+ .rel.text ${RELOCATING-0} :
+ {
+ *(.rel.text)
+ ${RELOCATING+*(.rel.text.*)}
+ ${RELOCATING+*(.rel.gnu.linkonce.t*)}
+ }
+ .rela.text ${RELOCATING-0} :
+ {
+ *(.rela.text)
+ ${RELOCATING+*(.rela.text.*)}
+ ${RELOCATING+*(.rela.gnu.linkonce.t*)}
+ }
+ .rel.fini ${RELOCATING-0} : { *(.rel.fini) }
+ .rela.fini ${RELOCATING-0} : { *(.rela.fini) }
+ .rel.rodata ${RELOCATING-0} :
+ {
+ *(.rel.rodata)
+ ${RELOCATING+*(.rel.rodata.*)}
+ ${RELOCATING+*(.rel.gnu.linkonce.r*)}
+ }
+ .rela.rodata ${RELOCATING-0} :
+ {
+ *(.rela.rodata)
+ ${RELOCATING+*(.rela.rodata.*)}
+ ${RELOCATING+*(.rela.gnu.linkonce.r*)}
+ }
+ .rel.data ${RELOCATING-0} :
+ {
+ *(.rel.data)
+ ${RELOCATING+*(.rel.data.*)}
+ ${RELOCATING+*(.rel.gnu.linkonce.d*)}
+ }
+ .rela.data ${RELOCATING-0} :
+ {
+ *(.rela.data)
+ ${RELOCATING+*(.rela.data.*)}
+ ${RELOCATING+*(.rela.gnu.linkonce.d*)}
+ }
+ .rel.ctors ${RELOCATING-0} : { *(.rel.ctors) }
+ .rela.ctors ${RELOCATING-0} : { *(.rela.ctors) }
+ .rel.dtors ${RELOCATING-0} : { *(.rel.dtors) }
+ .rela.dtors ${RELOCATING-0} : { *(.rela.dtors) }
+ .rel.got ${RELOCATING-0} : { *(.rel.got) }
+ .rela.got ${RELOCATING-0} : { *(.rela.got) }
+ .rel.bss ${RELOCATING-0} : { *(.rel.bss) }
+ .rela.bss ${RELOCATING-0} : { *(.rela.bss) }
+ .rel.plt ${RELOCATING-0} : { *(.rel.plt) }
+ .rela.plt ${RELOCATING-0} : { *(.rela.plt) }
+
+ /* Internal text space or external memory. */
+ .text ${RELOCATING-0} : ${RELOCATING+ AT (0x0)}
+ {
+ *(.vectors)
+ KEEP(*(.vectors))
+
+ /* For data that needs to reside in the lower 64k of progmem. */
+ *(.progmem.gcc*)
+ *(.progmem*)
+ ${RELOCATING+. = ALIGN(2);}
+
+ ${CONSTRUCTING+ __trampolines_start = . ; }
+ /* The jump trampolines for the 16-bit limited relocs will reside here. */
+ *(.trampolines)
+ *(.trampolines*)
+ ${CONSTRUCTING+ __trampolines_end = . ; }
+
+ /* For future tablejump instruction arrays for 3 byte pc devices.
+ We don't relax jump/call instructions within these sections. */
+ *(.jumptables)
+ *(.jumptables*)
+
+ /* For code that needs to reside in the lower 128k progmem. */
+ *(.lowtext)
+ *(.lowtext*)
+
+ ${CONSTRUCTING+ __ctors_start = . ; }
+ ${CONSTRUCTING+ *(.ctors) }
+ ${CONSTRUCTING+ __ctors_end = . ; }
+ ${CONSTRUCTING+ __dtors_start = . ; }
+ ${CONSTRUCTING+ *(.dtors) }
+ ${CONSTRUCTING+ __dtors_end = . ; }
+ KEEP(SORT(*)(.ctors))
+ KEEP(SORT(*)(.dtors))
+
+ /* From this point on, we don't bother about wether the insns are
+ below or above the 16 bits boundary. */
+ *(.init0) /* Start here after reset. */
+ KEEP (*(.init0))
+ *(.init1)
+ KEEP (*(.init1))
+ *(.init2) /* Clear __zero_reg__, set up stack pointer. */
+ KEEP (*(.init2))
+ *(.init3)
+ KEEP (*(.init3))
+ *(.init4) /* Initialize data and BSS. */
+ KEEP (*(.init4))
+ *(.init5)
+ KEEP (*(.init5))
+ *(.init6) /* C++ constructors. */
+ KEEP (*(.init6))
+ *(.init7)
+ KEEP (*(.init7))
+ *(.init8)
+ KEEP (*(.init8))
+ *(.init9) /* Call main(). */
+ KEEP (*(.init9))
+ *(.text)
+ ${RELOCATING+. = ALIGN(2);}
+ *(.text.*)
+ ${RELOCATING+. = ALIGN(2);}
+ *(.fini9) /* _exit() starts here. */
+ KEEP (*(.fini9))
+ *(.fini8)
+ KEEP (*(.fini8))
+ *(.fini7)
+ KEEP (*(.fini7))
+ *(.fini6) /* C++ destructors. */
+ KEEP (*(.fini6))
+ *(.fini5)
+ KEEP (*(.fini5))
+ *(.fini4)
+ KEEP (*(.fini4))
+ *(.fini3)
+ KEEP (*(.fini3))
+ *(.fini2)
+ KEEP (*(.fini2))
+ *(.fini1)
+ KEEP (*(.fini1))
+ *(.fini0) /* Infinite loop after program termination. */
+ KEEP (*(.fini0))
+ ${RELOCATING+ _etext = . ; }
+ } ${RELOCATING+ > text}
+
+ .data ${RELOCATING-0} : ${RELOCATING+AT (ADDR (.text) + SIZEOF (.text))}
+ {
+ ${RELOCATING+ PROVIDE (__data_start = .) ; }
+ *(.data)
+ KEEP (*(.data))
+ *(.data*)
+ *(.rodata) /* We need to include .rodata here if gcc is used */
+ *(.rodata*) /* with -fdata-sections. */
+ *(.gnu.linkonce.d*)
+ ${RELOCATING+. = ALIGN(2);}
+ ${RELOCATING+ _edata = . ; }
+ ${RELOCATING+ PROVIDE (__data_end = .) ; }
+ } ${RELOCATING+ > data}
+
+ .bss ${RELOCATING-0} :${RELOCATING+ AT (ADDR (.bss))}
+ {
+ ${RELOCATING+ PROVIDE (__bss_start = .) ; }
+ *(.bss)
+ *(.bss*)
+ *(COMMON)
+ ${RELOCATING+ PROVIDE (__bss_end = .) ; }
+ } ${RELOCATING+ > data}
+
+ ${RELOCATING+ __data_load_start = LOADADDR(.data); }
+ ${RELOCATING+ __data_load_end = __data_load_start + SIZEOF(.data); }
+
+ /* Global data not cleared after reset. */
+ .noinit ${RELOCATING-0}:
+ {
+ ${RELOCATING+ PROVIDE (__noinit_start = .) ; }
+ *(.noinit*)
+ ${RELOCATING+ PROVIDE (__noinit_end = .) ; }
+ ${RELOCATING+ _end = . ; }
+ ${RELOCATING+ PROVIDE (__heap_start = .) ; }
+ } ${RELOCATING+ > data}
+
+ .lock ${RELOCATING-0}:
+ {
+ KEEP(*(.lock*))
+ } ${RELOCATING+ > lock}
+
+ .signature ${RELOCATING-0}:
+ {
+ KEEP(*(.signature*))
+ } ${RELOCATING+ > signature}
+
+ .config ${RELOCATING-0}:
+ {
+ KEEP(*(.config*))
+ } ${RELOCATING+ > config}
+
+ /* Stabs debugging sections. */
+ .stab 0 : { *(.stab) }
+ .stabstr 0 : { *(.stabstr) }
+ .stab.excl 0 : { *(.stab.excl) }
+ .stab.exclstr 0 : { *(.stab.exclstr) }
+ .stab.index 0 : { *(.stab.index) }
+ .stab.indexstr 0 : { *(.stab.indexstr) }
+ .comment 0 : { *(.comment) }
+
+ /* DWARF debug sections.
+ Symbols in the DWARF debugging sections are relative to the beginning
+ of the section so we begin them at 0. */
+
+ /* DWARF 1 */
+ .debug 0 : { *(.debug) }
+ .line 0 : { *(.line) }
+
+ /* GNU DWARF 1 extensions */
+ .debug_srcinfo 0 : { *(.debug_srcinfo) }
+ .debug_sfnames 0 : { *(.debug_sfnames) }
+
+ /* DWARF 1.1 and DWARF 2 */
+ .debug_aranges 0 : { *(.debug_aranges) }
+ .debug_pubnames 0 : { *(.debug_pubnames) }
+
+ /* DWARF 2 */
+ .debug_info 0 : { *(.debug_info) *(.gnu.linkonce.wi.*) }
+ .debug_abbrev 0 : { *(.debug_abbrev) }
+ .debug_line 0 : { *(.debug_line) }
+ .debug_frame 0 : { *(.debug_frame) }
+ .debug_str 0 : { *(.debug_str) }
+ .debug_loc 0 : { *(.debug_loc) }
+ .debug_macinfo 0 : { *(.debug_macinfo) }
+}
+EOF
+
generated by cgit v1.1 at 2024-12-22 08:46:21 +0000