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5b5cd1b0fa
(OTHER_BSS_END_SYMBOLS): Don't refer to .sbss when setting __Sbss. (OTHER_END_SYMBOLS): Fix formatting. * emulparams/crislinux.sh (NO_SMALL_DATA): Set, to yes. (OTHER_END_SYMBOLS): Fix formatting.
105 lines
2.5 KiB
Bash
105 lines
2.5 KiB
Bash
# 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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# Symbols have underscore prepended.
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OUTPUT_FORMAT="elf32-us-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 : { KEEP(*(.startup)) }'
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# Setting __Stext to . in TEXT_START_SYMBOLS doesn't get what we want
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# most of the time, which is the start of all read-only sections;
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# there's at least .startup and .init before it. We have to resort to
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# trickery. Note that __Stext is always defined, not PROVIDE:d, since
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# external tools look for it.
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TEXT_START_SYMBOLS='__Stext = ADDR (.startup);'
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# The __start dance is to get us through assumptions about entry
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# symbols, and to clear _start for normal use with sane programs.
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EXECUTABLE_SYMBOLS='
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__start = DEFINED(__start) ? __start :
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DEFINED(_start) ? _start :
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DEFINED(start) ? start :
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DEFINED(.startup) ? .startup + 2 : 2;
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'
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# Smuggle an "OTHER_TEXT_END_SYMBOLS" here.
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OTHER_READONLY_SECTIONS="${RELOCATING+PROVIDE (__Etext = .);}"
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DATA_START_SYMBOLS='PROVIDE (__Sdata = .);'
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# Smuggle an "OTHER_DATA_END_SYMBOLS" here.
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OTHER_SDATA_SECTIONS="${RELOCATING+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 = 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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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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# Also add the other symbols provided for rsim/xsim and elinux.
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OTHER_END_SYMBOLS='
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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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NO_SMALL_DATA=yes
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