aboutsummaryrefslogtreecommitdiff
path: root/ld
diff options
context:
space:
mode:
Diffstat (limited to 'ld')
-rw-r--r--ld/ChangeLog10
-rw-r--r--ld/Makefile.am8
-rw-r--r--ld/Makefile.in8
-rw-r--r--ld/configure.tgt3
-rw-r--r--ld/emulparams/elf32mb_linux.sh17
-rw-r--r--ld/emulparams/elf32microblaze.sh23
-rw-r--r--ld/scripttempl/elf32cr16.sc6
-rw-r--r--ld/scripttempl/elf32cr16c.sc24
-rw-r--r--ld/scripttempl/elf32crx.sc6
-rw-r--r--ld/scripttempl/elfmicroblaze.sc222
10 files changed, 309 insertions, 18 deletions
diff --git a/ld/ChangeLog b/ld/ChangeLog
index 742b567..554687f 100644
--- a/ld/ChangeLog
+++ b/ld/ChangeLog
@@ -1,3 +1,13 @@
+2009-08-06 Michael Eager <eager@eagercon.com>
+
+ * Makefile.am: Add eelf32mb_linux.o, eelf32microblaze.o to
+ ALL_EMULATIONS, targets.
+ * Makefile.in: Regenerate.
+ * configure.tgt: Add microblaze*-linux*, microblaze* targets.
+ * emulparams/elf32mb_linux.sh: New.
+ * emulparams/elf32microblaze.sh. New.
+ * scripttempl/elfmicroblaze.sc: New.
+
2009-08-05 Trevor Smigiel <Trevor_Smigiel@playstation.sony.com>
* emulparams/elf32_spu.sh (OTHER_READONLY_SECTIONS): Add .fixup
diff --git a/ld/Makefile.am b/ld/Makefile.am
index b4e291c..785966d 100644
--- a/ld/Makefile.am
+++ b/ld/Makefile.am
@@ -191,6 +191,8 @@ ALL_EMULATIONS = \
eelf32m32c.o \
eelf32mcore.o \
eelf32mep.o \
+ eelf32mb_linux.o \
+ eelf32microblaze.o \
eelf32mipswindiss.o \
eelf32mt.o \
eelf32openrisc.o \
@@ -858,6 +860,12 @@ eelf32lmip.c: $(srcdir)/emulparams/elf32lmip.sh \
$(srcdir)/emulparams/elf32bmip.sh $(ELF_DEPS) \
$(srcdir)/emultempl/mipself.em $(srcdir)/scripttempl/elf.sc ${GEN_DEPENDS}
${GENSCRIPTS} elf32lmip "$(tdir_elf32lmip)"
+eelf32mb_linux.c: $(srcdir)/emulparams/elf32mb_linux.sh \
+ $(srcdir)/emultempl/elf32.em $(srcdir)/scripttempl/elf.sc ${GEN_DEPENDS}
+ ${GENSCRIPTS} elf32mb_linux "$(tdir_microblaze)"
+ eelf32microblaze.c: $(srcdir)/emulparams/elf32microblaze.sh \
+ $(srcdir)/emultempl/elf32.em $(srcdir)/scripttempl/elfmicroblaze.sc ${GEN_DEPENDS}
+ ${GENSCRIPTS} elf32microblaze "$(tdir_microblaze)"
eelf32mipswindiss.c: $(srcdir)/emulparams/elf32mipswindiss.sh $(ELF_DEPS) \
$(srcdir)/scripttempl/elf.sc ${GEN_DEPENDS}
${GENSCRIPTS} elf32mipswindiss "$(tdir_elf32mipswindiss)"
diff --git a/ld/Makefile.in b/ld/Makefile.in
index 213f3ea..9c768c4 100644
--- a/ld/Makefile.in
+++ b/ld/Makefile.in
@@ -456,6 +456,8 @@ ALL_EMULATIONS = \
eelf32m32c.o \
eelf32mcore.o \
eelf32mep.o \
+ eelf32mb_linux.o \
+ eelf32microblaze.o \
eelf32mipswindiss.o \
eelf32mt.o \
eelf32openrisc.o \
@@ -1705,6 +1707,12 @@ eelf32lmip.c: $(srcdir)/emulparams/elf32lmip.sh \
$(srcdir)/emulparams/elf32bmip.sh $(ELF_DEPS) \
$(srcdir)/emultempl/mipself.em $(srcdir)/scripttempl/elf.sc ${GEN_DEPENDS}
${GENSCRIPTS} elf32lmip "$(tdir_elf32lmip)"
+eelf32mb_linux.c: $(srcdir)/emulparams/elf32mb_linux.sh \
+ $(srcdir)/emultempl/elf32.em $(srcdir)/scripttempl/elf.sc ${GEN_DEPENDS}
+ ${GENSCRIPTS} elf32mb_linux "$(tdir_microblaze)"
+ eelf32microblaze.c: $(srcdir)/emulparams/elf32microblaze.sh \
+ $(srcdir)/emultempl/elf32.em $(srcdir)/scripttempl/elfmicroblaze.sc ${GEN_DEPENDS}
+ ${GENSCRIPTS} elf32microblaze "$(tdir_microblaze)"
eelf32mipswindiss.c: $(srcdir)/emulparams/elf32mipswindiss.sh $(ELF_DEPS) \
$(srcdir)/scripttempl/elf.sc ${GEN_DEPENDS}
${GENSCRIPTS} elf32mipswindiss "$(tdir_elf32mipswindiss)"
diff --git a/ld/configure.tgt b/ld/configure.tgt
index fcb8eeb..d6d86ab 100644
--- a/ld/configure.tgt
+++ b/ld/configure.tgt
@@ -361,6 +361,9 @@ mcore-*-pe) targ_emul=mcorepe ;
mcore-*-elf) targ_emul=elf32mcore
;;
mep-*-elf) targ_emul=elf32mep ;;
+microblaze*-linux*)
+ targ_emul="elf32mb_linux" ;;
+microblaze*) targ_emul=elf32microblaze ;;
mips*-*-pe) targ_emul=mipspe ;
targ_extra_ofiles="deffilep.o pe-dll.o" ;;
mips*-dec-ultrix*) targ_emul=mipslit ;;
diff --git a/ld/emulparams/elf32mb_linux.sh b/ld/emulparams/elf32mb_linux.sh
new file mode 100644
index 0000000..3503bb1
--- /dev/null
+++ b/ld/emulparams/elf32mb_linux.sh
@@ -0,0 +1,17 @@
+SCRIPT_NAME=elf
+OUTPUT_FORMAT="elf32-microblaze"
+TEXT_START_ADDR=0x10000000
+NONPAGED_TEXT_START_ADDR=0x28
+ALIGNMENT=4
+MAXPAGESIZE=0x1000
+COMMONPAGESIZE=0x1000
+ARCH=microblaze
+
+NOP=0x80000000
+
+TEMPLATE_NAME=elf32
+GENERATE_SHLIB_SCRIPT=yes
+GENERATE_PIE_SCRIPT=yes
+NO_SMALL_DATA=yes
+SEPARATE_GOTPLT=12
+
diff --git a/ld/emulparams/elf32microblaze.sh b/ld/emulparams/elf32microblaze.sh
new file mode 100644
index 0000000..ccc20d1
--- /dev/null
+++ b/ld/emulparams/elf32microblaze.sh
@@ -0,0 +1,23 @@
+SCRIPT_NAME=elfmicroblaze
+OUTPUT_FORMAT="elf32-microblaze"
+#TEXT_START_ADDR=0
+NONPAGED_TEXT_START_ADDR=0x28
+ALIGNMENT=4
+MAXPAGESIZE=4
+ARCH=microblaze
+EMBEDDED=yes
+
+NOP=0x80000000
+
+# Hmmm, there's got to be a better way. This sets the stack to the
+# top of the simulator memory (2^19 bytes).
+#PAGE_SIZE=0x1000
+#DATA_ADDR=0x10000
+#OTHER_RELOCATING_SECTIONS='.stack 0x7000 : { _stack = .; *(.stack) }'
+#$@{RELOCATING+ PROVIDE (__stack = 0x7000);@}
+#OTHER_RELOCATING_SECTIONS='PROVIDE (_stack = _end + 0x1000);'
+
+TEMPLATE_NAME=elf32
+#GENERATE_SHLIB_SCRIPT=yes
+
+
diff --git a/ld/scripttempl/elf32cr16.sc b/ld/scripttempl/elf32cr16.sc
index 69b66e5..7c357c1 100644
--- a/ld/scripttempl/elf32cr16.sc
+++ b/ld/scripttempl/elf32cr16.sc
@@ -133,21 +133,21 @@ SECTIONS
The heap and stack are aligned to the bus width, as a speed optimization
for accessing data located there. */
- .heap :
+ .heap (NOLOAD) :
{
. = ALIGN(4);
__HEAP_START = .;
. += 0x2000; __HEAP_MAX = .;
} > ram
- .stack :
+ .stack (NOLOAD) :
{
. = ALIGN(4);
. += 0x6000;
__STACK_START = .;
} > ram
- .istack :
+ .istack (NOLOAD) :
{
. = ALIGN(4);
. += 0x100;
diff --git a/ld/scripttempl/elf32cr16c.sc b/ld/scripttempl/elf32cr16c.sc
index 70cbb59..56bab60 100644
--- a/ld/scripttempl/elf32cr16c.sc
+++ b/ld/scripttempl/elf32cr16c.sc
@@ -31,18 +31,18 @@ SECTIONS
there. The alignment to 4 bytes is compatible for both the CR16C
bus width (2 bytes) and CR16CPlus bus width (4 bytes). */
- .text : { __TEXT_START = .; *(.text) __TEXT_END = .; } > rom
- .rdata : { __RDATA_START = .; *(.rdata_4) *(.rdata_2) *(.rdata_1) __RDATA_END = .; } > near_rom
- .ctor ALIGN(4) : { __CTOR_LIST = .; *(.ctors) __CTOR_END = .; } > near_rom
- .dtor ALIGN(4) : { __DTOR_LIST = .; *(.dtors) __DTOR_END = .; } > near_rom
- .data : { __DATA_START = .; *(.data_4) *(.data_2) *(.data_1) *(.data) __DATA_END = .; } > ram AT > rom
- .bss (NOLOAD) : { __BSS_START = .; *(.bss_4) *(.bss_2) *(.bss_1) *(.bss) *(COMMON) __BSS_END = .; } > ram
- .nrdata : { __NRDATA_START = .; *(.nrdat_4) *(.nrdat_2) *(.nrdat_1) __NRDATA_END = .; } > near_rom
- .ndata : { __NDATA_START = .; *(.ndata_4) *(.ndata_2) *(.ndata_1) __NDATA_END = .; } > near_ram AT > rom
- .nbss (NOLOAD) : { __NBSS_START = .; *(.nbss_4) *(.nbss_2) *(.nbss_1) *(.ncommon) __NBSS_END = .; } > near_ram
- .heap : { . = ALIGN(4); __HEAP_START = .; . += 0x2000; __HEAP_MAX = .; } > near_ram
- .stack : { . = ALIGN(4); . += 0x6000; __STACK_START = .; } > ram
- .istack : { . = ALIGN(2); . += 0x100; __ISTACK_START = .; } > ram
+ .text : { __TEXT_START = .; *(.text) __TEXT_END = .; } > rom
+ .rdata : { __RDATA_START = .; *(.rdata_4) *(.rdata_2) *(.rdata_1) __RDATA_END = .; } > near_rom
+ .ctor ALIGN(4) : { __CTOR_LIST = .; *(.ctors) __CTOR_END = .; } > near_rom
+ .dtor ALIGN(4) : { __DTOR_LIST = .; *(.dtors) __DTOR_END = .; } > near_rom
+ .data : { __DATA_START = .; *(.data_4) *(.data_2) *(.data_1) *(.data) __DATA_END = .; } > ram AT > rom
+ .bss (NOLOAD) : { __BSS_START = .; *(.bss_4) *(.bss_2) *(.bss_1) *(.bss) *(COMMON) __BSS_END = .; } > ram
+ .nrdata : { __NRDATA_START = .; *(.nrdat_4) *(.nrdat_2) *(.nrdat_1) __NRDATA_END = .; } > near_rom
+ .ndata : { __NDATA_START = .; *(.ndata_4) *(.ndata_2) *(.ndata_1) __NDATA_END = .; } > near_ram AT > rom
+ .nbss (NOLOAD) : { __NBSS_START = .; *(.nbss_4) *(.nbss_2) *(.nbss_1) *(.ncommon) __NBSS_END = .; } > near_ram
+ .heap (NOLOAD) : { . = ALIGN(4); __HEAP_START = .; . += 0x2000; __HEAP_MAX = .; } > near_ram
+ .stack (NOLOAD) : { . = ALIGN(4); . += 0x6000; __STACK_START = .; } > ram
+ .istack (NOLOAD) : { . = ALIGN(2); . += 0x100; __ISTACK_START = .; } > ram
}
__DATA_IMAGE_START = LOADADDR(.data);
diff --git a/ld/scripttempl/elf32crx.sc b/ld/scripttempl/elf32crx.sc
index c3d6751..514254a 100644
--- a/ld/scripttempl/elf32crx.sc
+++ b/ld/scripttempl/elf32crx.sc
@@ -135,21 +135,21 @@ SECTIONS
The heap and stack are aligned to the bus width, as a speed optimization
for accessing data located there. */
- .heap :
+ .heap (NOLOAD) :
{
. = ALIGN(4);
__HEAP_START = .;
. += 0x2000; __HEAP_MAX = .;
} > ram
- .stack :
+ .stack (NOLOAD) :
{
. = ALIGN(4);
. += 0x6000;
__STACK_START = .;
} > ram
- .istack :
+ .istack (NOLOAD) :
{
. = ALIGN(4);
. += 0x100;
diff --git a/ld/scripttempl/elfmicroblaze.sc b/ld/scripttempl/elfmicroblaze.sc
new file mode 100644
index 0000000..7677261
--- /dev/null
+++ b/ld/scripttempl/elfmicroblaze.sc
@@ -0,0 +1,222 @@
+# Adapted from mips.sc
+# These variables may be overridden by the emulation file. The
+# defaults are appropriate for a DECstation running Ultrix.
+test -z "$ENTRY" && ENTRY=_start
+
+#test -z "$TEXT_START_ADDR" && TEXT_START_ADDR="0x0"
+
+CTOR=".ctors ${CONSTRUCTING-0} :
+ {
+ ${CONSTRUCTING+${CTOR_START}}
+ /* gcc uses crtbegin.o to find the start of
+ the constructors, so we make sure it is
+ first. Because this is a wildcard, it
+ doesn't matter if the user does not
+ actually link against crtbegin.o; the
+ linker won't look for a file to match a
+ wildcard. The wildcard also means that it
+ doesn't matter which directory crtbegin.o
+ is in. */
+
+ KEEP (*crtbegin.o(.ctors))
+
+ /* We don't want to include the .ctor section from
+ from the crtend.o file until after the sorted ctors.
+ The .ctor section from the crtend file contains the
+ end of ctors marker and it must be last */
+
+ KEEP (*(EXCLUDE_FILE (*crtend.o) .ctors))
+ KEEP (*(SORT(.ctors.*)))
+ KEEP (*(.ctors))
+ ${CONSTRUCTING+${CTOR_END}}
+ }"
+
+DTOR=" .dtors ${CONSTRUCTING-0} :
+ {
+ ${CONSTRUCTING+${DTOR_START}}
+ KEEP (*crtbegin.o(.dtors))
+ KEEP (*(EXCLUDE_FILE (*crtend.o) .dtors))
+ KEEP (*(SORT(.dtors.*)))
+ KEEP (*(.dtors))
+ ${CONSTRUCTING+${DTOR_END}}
+ }"
+
+cat <<EOF
+OUTPUT_FORMAT("${OUTPUT_FORMAT}", "${BIG_OUTPUT_FORMAT}",
+ "${LITTLE_OUTPUT_FORMAT}")
+/*${LIB_SEARCH_DIRS}*/
+${RELOCATING+${LIB_SEARCH_DIRS}}
+
+ENTRY(${ENTRY})
+
+_TEXT_START_ADDR = DEFINED(_TEXT_START_ADDR) ? _TEXT_START_ADDR : 0x50;
+_HEAP_SIZE = DEFINED(_HEAP_SIZE) ? _HEAP_SIZE : 0x0;
+_STACK_SIZE = DEFINED(_STACK_SIZE) ? _STACK_SIZE : 0x400;
+
+SECTIONS
+{
+ .vectors.reset 0x0 : { KEEP (*(.vectors.reset)) } = 0
+ .vectors.sw_exception 0x8 : { KEEP (*(.vectors.sw_exception)) } = 0
+ .vectors.interrupt 0x10 : { KEEP (*(.vectors.interrupt)) } = 0
+ .vectors.debug_sw_break 0x18 : { KEEP (*(.vectors.debug_sw_break)) } = 0
+ .vectors.hw_exception 0x20 : { KEEP (*(.vectors.hw_exception)) } = 0
+
+ ${RELOCATING+. = _TEXT_START_ADDR;}
+
+ ${RELOCATING+ _ftext = .;}
+ .text : {
+ ${RELOCATING+*(.text)}
+ ${RELOCATING+*(.text.*)}
+ ${RELOCATING+*(.gnu.linkonce.t.*)}
+ }
+ ${RELOCATING+ _etext = .;}
+
+ .init : { KEEP (*(.init)) } =0
+ .fini : { KEEP (*(.fini)) } =0
+
+ ${RELOCATING+PROVIDE (__CTOR_LIST__ = .);}
+ ${RELOCATING+PROVIDE (___CTOR_LIST__ = .);}
+ ${RELOCATING+${CTOR}}
+ ${RELOCATING+PROVIDE (__CTOR_END__ = .);}
+ ${RELOCATING+PROVIDE (___CTOR_END__ = .);}
+
+ ${RELOCATING+PROVIDE (__DTOR_LIST__ = .);}
+ ${RELOCATING+PROVIDE (___DTOR_LIST__ = .);}
+ ${RELOCATING+${DTOR}}
+ ${RELOCATING+PROVIDE (__DTOR_END__ = .);}
+ ${RELOCATING+PROVIDE (___DTOR_END__ = .);}
+
+ ${RELOCATING+ . = ALIGN(4);}
+ ${RELOCATING+ _frodata = . ;}
+ .rodata : {
+ ${RELOCATING+*(.rodata)}
+ ${RELOCATING+*(.rodata.*)}
+ ${RELOCATING+*(.gnu.linkonce.r.*)}
+ ${CONSTRUCTING+CONSTRUCTORS}; /* Is this needed? */
+ }
+ ${RELOCATING+ _erodata = .;}
+
+ /* Alignments by 8 to ensure that _SDA2_BASE_ on a word boundary */
+ /* Note that .sdata2 and .sbss2 must be contiguous */
+ ${RELOCATING+. = ALIGN(8);}
+ ${RELOCATING+ _ssrw = .;}
+ .sdata2 : {
+ ${RELOCATING+*(.sdata2)}
+ ${RELOCATING+*(.sdata2.*)}
+ ${RELOCATING+*(.gnu.linkonce.s2.*)}
+ }
+ ${RELOCATING+. = ALIGN(4);}
+ .sbss2 : {
+ ${RELOCATING+PROVIDE (__sbss2_start = .);}
+ ${RELOCATING+*(.sbss2)}
+ ${RELOCATING+*(.sbss2.*)}
+ ${RELOCATING+*(.gnu.linkonce.sb2.*)}
+ ${RELOCATING+PROVIDE (__sbss2_end = .);}
+ }
+ ${RELOCATING+. = ALIGN(8);}
+ ${RELOCATING+ _essrw = .;}
+ ${RELOCATING+ _ssrw_size = _essrw - _ssrw;}
+ ${RELOCATING+ PROVIDE (_SDA2_BASE_ = _ssrw + (_ssrw_size / 2 ));}
+
+ ${RELOCATING+ . = ALIGN(4);}
+ ${RELOCATING+ _fdata = .;}
+ .data : {
+ ${RELOCATING+*(.data)}
+ ${RELOCATING+*(.gnu.linkonce.d.*)}
+ ${CONSTRUCTING+CONSTRUCTORS}; /* Is this needed? */
+ }
+ ${RELOCATING+ _edata = . ;}
+
+ /* Added to handle pic code */
+ .got : {
+ ${RELOCATING+*(.got)}
+ }
+
+ .got1 : {
+ ${RELOCATING+*(.got1)}
+ }
+
+ .got2 : {
+ ${RELOCATING+*(.got2)}
+ }
+
+ /* Added by Sathya to handle C++ exceptions */
+ .eh_frame : {
+ ${RELOCATING+*(.eh_frame)}
+ }
+
+ .jcr : {
+ ${RELOCATING+*(.jcr)}
+ }
+
+ .gcc_except_table : {
+ ${RELOCATING+*(.gcc_except_table)}
+ }
+
+ /* Alignments by 8 to ensure that _SDA_BASE_ on a word boundary */
+ /* Note that .sdata and .sbss must be contiguous */
+ ${RELOCATING+. = ALIGN(8);}
+ ${RELOCATING+ _ssro = .;}
+ .sdata : {
+ ${RELOCATING+*(.sdata)}
+ ${RELOCATING+*(.sdata.*)}
+ ${RELOCATING+*(.gnu.linkonce.s.*)}
+ }
+ ${RELOCATING+. = ALIGN(4);}
+ .sbss : {
+ ${RELOCATING+PROVIDE (__sbss_start = .);}
+ ${RELOCATING+*(.sbss)}
+ ${RELOCATING+*(.sbss.*)}
+ ${RELOCATING+*(.gnu.linkonce.sb.*)}
+ ${RELOCATING+PROVIDE (__sbss_end = .);}
+ }
+ ${RELOCATING+. = ALIGN(8);}
+ ${RELOCATING+ _essro = .;}
+ ${RELOCATING+ _ssro_size = _essro - _ssro;}
+ ${RELOCATING+PROVIDE (_SDA_BASE_ = _ssro + (_ssro_size / 2 ));}
+
+ ${RELOCATING+ . = ALIGN(4);}
+ ${RELOCATING+ _fbss = .;}
+ .bss : {
+ ${RELOCATING+PROVIDE (__bss_start = .);}
+ ${RELOCATING+*(.bss)}
+ ${RELOCATING+*(.bss.*)}
+ ${RELOCATING+*(.gnu.linkonce.b.*)}
+ ${RELOCATING+*(COMMON)}
+ ${RELOCATING+. = ALIGN(4);}
+
+ ${RELOCATING+PROVIDE (__bss_end = .);}
+
+ }
+
+ ${RELOCATING+ . = ALIGN(4);}
+
+ .heap : {
+ ${RELOCATING+ _heap = .;}
+ ${RELOCATING+ _heap_start = .;}
+ ${RELOCATING+ . += _HEAP_SIZE;}
+ ${RELOCATING+ _heap_end = .;}
+ }
+
+ ${RELOCATING+ . = ALIGN(4);}
+
+ .stack : {
+ ${RELOCATING+ _stack_end = .;}
+ ${RELOCATING+ . += _STACK_SIZE;}
+ ${RELOCATING+ . = ALIGN(8);}
+ ${RELOCATING+ _stack = .;}
+ ${RELOCATING+ _end = .;}
+ }
+
+ .tdata : {
+ ${RELOCATING+*(.tdata)}
+ ${RELOCATING+*(.tdata.*)}
+ ${RELOCATING+*(.gnu.linkonce.td.*)}
+ }
+ .tbss : {
+ ${RELOCATING+*(.tbss)}
+ ${RELOCATING+*(.tbss.*)}
+ ${RELOCATING+*(.gnu.linkonce.tb.*)}
+ }
+}
+EOF
generated by cgit v1.1 at 2024-11-25 17:55:47 +0000