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ecrislinux.o. (ecrisaout.c, ecriself.c, ecrislinux.c): New rules. Regenerate dependencies. * Makefile.in: Rebuild. * configure.tgt (cris-*-*): New target. * emulparams/crisaout.sh, emulparams/criself.sh, emulparams/crislinux.sh, scripttempl/crisaout.sc: New files. * po/POTFILES.in, po/ld.pot: Regenerate.binutils-2_11-branch
Hans-Peter Nilsson
26 years ago
10 changed files with 592 additions and 281 deletions
@ -0,0 +1,7 @@ |
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# This is for embedded products and elinux (no MMU) with a.out. |
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SCRIPT_NAME=crisaout |
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OUTPUT_FORMAT="a.out-cris" |
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TARGET_PAGE_SIZE=2 |
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TEXT_START_ADDR=0 |
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NONPAGED_TEXT_START_ADDR=0 |
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ARCH=cris |
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@ -0,0 +1,92 @@ |
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# This is for embedded products (no MMU) with ELF. |
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MACHINE= |
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SCRIPT_NAME=elf |
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TEMPLATE_NAME=elf32 |
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OUTPUT_FORMAT="elf32-cris" |
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ARCH=cris |
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MAXPAGESIZE=32 |
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ENTRY=_start |
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EMBEDDED=yes |
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ALIGNMENT=32 |
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TEXT_START_ADDR=0 |
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# Put crt0 for flash/eprom etc. in this section. |
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INITIAL_READONLY_SECTIONS='.startup : { *(.startup) }' |
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# TEXT_START_SYMBOLS doesn't get what we want which is the start of |
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# all read-only sections; there's at least .init and .fini before it. |
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# We have to resort to trickery. |
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EXECUTABLE_SYMBOLS='PROVIDE (__Stext = .);' |
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# Smuggle an "OTHER_TEXT_END_SYMBOLS" here. |
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OTHER_READONLY_SECTIONS='PROVIDE (__Etext = .);' |
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DATA_START_SYMBOLS='PROVIDE (__Sdata = .);' |
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# Smuggle an "OTHER_DATA_END_SYMBOLS" here. |
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OTHER_GOT_SECTIONS='PROVIDE (__Edata = .);' |
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# If .bss does not immediately follow .data but has its own start |
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# address, we can't get to it with OTHER_BSS_SYMBOLS, neither can we |
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# use ADDR(.bss) there. Instead, we use the symbol support for the |
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# end symbol. |
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OTHER_BSS_END_SYMBOLS=' |
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PROVIDE (__Ebss = .); |
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PROVIDE (__end = .); |
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__Sbss = SIZEOF (.sbss) != 0 ? ADDR (.sbss) : ADDR (.bss); |
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PROVIDE (_bss_start = __Sbss); |
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' |
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INIT_START=' |
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. = ALIGN(2); |
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___init__start = .; |
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PROVIDE (___do_global_ctors = .); |
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SHORT (0xe1fc); /* push srp */ |
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SHORT (0xbe7e); |
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' |
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|
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INIT_END=' |
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SHORT (0x0d3e); /* jump [sp+] */ |
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PROVIDE (__init__end = .); |
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PROVIDE (___init__end = .); |
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' |
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FINI_START=' |
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. = ALIGN (2); |
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___fini__start = .; |
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PROVIDE (___do_global_dtors = .); |
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SHORT (0xe1fc); /* push srp */ |
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SHORT (0xbe7e); |
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' |
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FINI_END=' |
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SHORT (0x0d3e); /* jump [sp+] */ |
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PROVIDE (__fini__end = .); |
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___fini__end = .; |
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' |
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CTOR_START=' |
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PROVIDE (___ctors = .); |
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___elf_ctors_dtors_begin = .; |
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' |
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CTOR_END=' |
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PROVIDE (___ctors_end = .); |
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' |
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DTOR_START=' |
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PROVIDE (___dtors = .); |
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' |
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CTOR_END=' |
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PROVIDE (___dtors_end = .); |
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___elf_ctors_dtors_end = .; |
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' |
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# Smuggle an "OTHER_ALL_END_SYMBOLS" here. |
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# Also add the other symbols provided for rsim/xsim and elinux. |
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OTHER_RELOCATING_SECTIONS=' |
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PROVIDE (__Eall = .); |
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PROVIDE (__Endmem = 0x10000000); |
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PROVIDE (__Stacksize = 0); |
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' |
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@ -0,0 +1,35 @@ |
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# This is an approximation of what we want for a real linux system (with MMU and ELF). |
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MACHINE= |
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SCRIPT_NAME=elf |
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OUTPUT_FORMAT="elf32-cris" |
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ARCH=cris |
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TEMPLATE_NAME=elf32 |
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ENTRY=_start |
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# Needed? Perhaps should be page-size alignment. |
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ALIGNMENT=32 |
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GENERATE_SHLIB_SCRIPT=yes |
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# Is this high enough and low enough? |
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TEXT_START_ADDR=0x80000 |
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|
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# Do we need to set this higher? |
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MAXPAGESIZE=8192 |
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# FIXME: GOT, PLT... |
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# Smuggle an "OTHER_TEXT_END_SYMBOLS" here. |
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OTHER_READONLY_SECTIONS='PROVIDE (__Etext = .);' |
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DATA_START_SYMBOLS='PROVIDE (__Sdata = .);' |
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# Smuggle an "OTHER_DATA_END_SYMBOLS" here. |
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OTHER_GOT_SECTIONS='PROVIDE (__Edata = .);' |
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OTHER_BSS_SYMBOLS='PROVIDE (__Sbss = .);' |
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OTHER_BSS_END_SYMBOLS='PROVIDE (__Ebss = .);' |
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# Smuggle an "OTHER_ALL_END_SYMBOLS" here. |
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# Also add the other symbols provided for rsim/xsim and elinux. |
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OTHER_RELOCATING_SECTIONS=' |
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PROVIDE (__Eall = .); |
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PROVIDE(__Endmem = 0x10000000); |
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PROVIDE(__Stacksize = 0); |
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' |
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File diff suppressed because it is too large
@ -0,0 +1,122 @@ |
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cat <<EOF |
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OUTPUT_FORMAT("a.out-cris") |
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OUTPUT_ARCH(cris) |
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ENTRY(_start) |
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SECTIONS |
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{ |
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.text ${RELOCATING+ ${TEXT_START_ADDR}}: |
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{ |
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CREATE_OBJECT_SYMBOLS; |
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${RELOCATING+ __Stext = .;} |
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${RELOCATING+*(.startup)} |
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*(.text) |
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${RELOCATING+*(.text.*)} |
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${RELOCATING+*(.gnu.linkonce.t*)} |
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${RELOCATING+*(.rodata)} |
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${RELOCATING+*(.rodata.*)} |
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${RELOCATING+*(.gnu.linkonce.r*)} |
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/* Do not "provide" init-start and fini-start symbols; they might be |
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referred to weakly, so the linker would not override the zero |
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default. |
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FIXME: It's somewhat unexpected to have code emitted by the linker |
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script. Some other mechanism could probably do better. */ |
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${RELOCATING+. = ALIGN (2);} |
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${RELOCATING+ ___init__start = .;} |
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${RELOCATING+PROVIDE (___do_global_ctors = .);} |
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${RELOCATING+SHORT (0xe1fc); /* push srp */} |
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${RELOCATING+SHORT (0xbe7e);} |
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${RELOCATING+*(.init)} |
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${RELOCATING+SHORT (0x0d3e); /* jump [sp+] */} |
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${RELOCATING+PROVIDE (__init__end = .);} |
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${RELOCATING+PROVIDE (___init__end = .);} |
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${RELOCATING+. = ALIGN (2);} |
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${RELOCATING+ ___fini__start = .;} |
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${RELOCATING+PROVIDE (___do_global_dtors = .);} |
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${RELOCATING+SHORT (0xe1fc); /* push srp */} |
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${RELOCATING+SHORT (0xbe7e);} |
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${RELOCATING+*(.fini)} |
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${RELOCATING+SHORT (0x0d3e); /* jump [sp+] */} |
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${RELOCATING+PROVIDE (__fini__end = .);} |
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${RELOCATING+ ___fini__end = .;} |
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/* Putting constructors in constant store is sane as long as |
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there's no need for dynamic fixups. */ |
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/* The constructors and destructors set symbols are unused now that |
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collect2 has its wicked way. */ |
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${CONSTRUCTING+ ___aout_ctors_dtors_begin = .;} |
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${CONSTRUCTING+ SORT(CONSTRUCTORS);} |
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${CONSTRUCTING+ ___aout_ctors_dtors_end = .;} |
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/* Cater to linking from ELF. */ |
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${CONSTRUCTING+ PROVIDE(___ctors = .);} |
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${CONSTRUCTING+ ___elf_ctors_dtors_begin = .;} |
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${CONSTRUCTING+ KEEP (*crtbegin.o(.ctors))} |
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${CONSTRUCTING+ KEEP (*(EXCLUDE_FILE (*crtend.o) .ctors))} |
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${CONSTRUCTING+ KEEP (*(SORT(.ctors.*)))} |
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${CONSTRUCTING+ KEEP (*(.ctors))} |
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${CONSTRUCTING+ PROVIDE(___ctors_end = .);} |
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${CONSTRUCTING+ PROVIDE(___dtors = .);} |
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${CONSTRUCTING+ KEEP (*crtbegin.o(.dtors))} |
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${CONSTRUCTING+ KEEP (*(EXCLUDE_FILE (*crtend.o) .dtors))} |
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${CONSTRUCTING+ KEEP (*(SORT(.dtors.*)))} |
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${CONSTRUCTING+ KEEP (*(.dtors))} |
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${CONSTRUCTING+ PROVIDE(___dtors_end = .);} |
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${CONSTRUCTING+ ___elf_ctors_dtors_end = .;} |
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${RELOCATING+ __Etext = .;} |
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/* Deprecated, use __Etext. */ |
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${RELOCATING+ PROVIDE(_etext = .);} |
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} |
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/* Any dot-relative start-expression (such as "ALIGN(2)", also including |
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the "default" .data alignment expression) will use the initial, raw |
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size of .text and will be incorrect if the alignment used is less |
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than the alignment for .text (which might depend on input and obj |
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format). FIXME: Seems like a bug in ld. Seems hard to fix. Seems |
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unimportant. */ |
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.data : |
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{ |
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${RELOCATING+ __Sdata = .;} |
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*(.data); |
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${RELOCATING+*(.data.*)} |
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${RELOCATING+*(.gnu.linkonce.d*)} |
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${RELOCATING+*(.eh_frame) /* FIXME: Make .text */} |
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${RELOCATING+*(.gcc_except_table)} |
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${RELOCATING+ __Edata = .;} |
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/* Deprecated, use __Edata. */ |
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${RELOCATING+ PROVIDE(_edata = .);} |
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} |
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.bss : |
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{ |
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/* Deprecated, use __Sbss. */ |
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${RELOCATING+ PROVIDE(_bss_start = .);} |
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${RELOCATING+ __Sbss = .;} |
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*(.bss) |
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${RELOCATING+*(.bss.*)} |
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*(COMMON) |
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${RELOCATING+ __Ebss = .;} |
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/* Deprecated, use __Ebss or __Eall as appropriate. */ |
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${RELOCATING+ PROVIDE(_end = .);} |
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${RELOCATING+ PROVIDE(__end = .);} |
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} |
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${RELOCATING+ __Eall = .;} |
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/* Unfortunately, stabs are not mappable from ELF to a.out. |
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It can probably be fixed with some amount of work. */ |
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/DISCARD/ : { *(.stab) *(.stab*) *(.debug) *(.debug*) *(.comment) } |
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/* For the rsim and xsim simulators. */ |
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${RELOCATING+ PROVIDE(__Endmem = 0x10000000);} |
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/* For elinux. */ |
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${RELOCATING+ PROVIDE(__Stacksize = 0);} |
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} |
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EOF |
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