diff options
Diffstat (limited to 'bsps/sparc/shared/start/linkcmds.base')
| -rw-r--r-- | bsps/sparc/shared/start/linkcmds.base | 207 |
1 files changed, 207 insertions, 0 deletions
diff --git a/bsps/sparc/shared/start/linkcmds.base b/bsps/sparc/shared/start/linkcmds.base new file mode 100644 index 0000000000..4c7750dfe0 --- /dev/null +++ b/bsps/sparc/shared/start/linkcmds.base @@ -0,0 +1,207 @@ +/* linkcmds + */ + +OUTPUT_ARCH(sparc) +__DYNAMIC = 0; + +/* + * The memory map looks like this: + * +--------------------+ <- low memory + * | .text | + * | etext | + * | ctor list | the ctor and dtor lists are for + * | dtor list | C++ support + * | _endtext | + * +--------------------+ + * | .data | initialized data goes here + * | _sdata | + * | _edata | + * +--------------------+ + * | .bss | + * | __bss_start | start of bss, cleared by crt0 + * | _end | start of heap, used by sbrk() + * +--------------------+ + * | heap space | + * | _ENDHEAP | + * | stack space | + * | __stack | top of stack + * +--------------------+ <- high memory + */ + +_RAM_END = _RAM_START + _RAM_SIZE; + +_PROM_END = _PROM_START + _PROM_SIZE; + +/* + * Alternate names without leading _. + */ + +PROM_START = _PROM_START; +PROM_SIZE = _PROM_SIZE; +PROM_END = _PROM_END; + +RAM_START = _RAM_START; +RAM_SIZE = _RAM_SIZE; +RAM_END = _RAM_END; + +/* + * SPARC monitor assumes this is present to provide proper RTEMS awareness. + */ +EXTERN(rtems_get_version_string); + +STARTUP(start.o) + +/* + * stick everything in ram (of course) + */ +SECTIONS +{ + .text : + { + CREATE_OBJECT_SYMBOLS + text_start = .; + _text_start = .; + *(.text*) + . = ALIGN (16); + + KEEP(*(.eh_frame*)) + . = ALIGN (16); + + *(.gnu.linkonce.t*) + + /* + * C++ constructors + */ + /* 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)) + KEEP (*crtbegin?.o(.ctors)) + /* We don't want to include the .ctor section 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 *crtend?.o ) .ctors)) + KEEP (*(SORT(.ctors.*))) + KEEP (*(.ctors)) + KEEP (*crtbegin.o(.dtors)) + KEEP (*crtbegin?.o(.dtors)) + KEEP (*(EXCLUDE_FILE (*crtend.o *crtend?.o ) .dtors)) + KEEP (*(SORT(.dtors.*))) + KEEP (*(.dtors)) + + _rodata_start = . ; + *(.rodata*) + *(.gnu.linkonce.r*) + _erodata = ALIGN( 0x10 ) ; + + etext = ALIGN(0x10); + _etext = .; + KEEP(*(.init*)) + KEEP(*(.fini*)) + *(.lit) + *(.shdata) + . = ALIGN (16); + } > ram + .tdata : { + _TLS_Data_begin = .; + *(.tdata .tdata.* .gnu.linkonce.td.*) + _TLS_Data_end = .; + } > ram + .tbss : { + _TLS_BSS_begin = .; + *(.tbss .tbss.* .gnu.linkonce.tb.*) *(.tcommon) + _TLS_BSS_end = .; + } > ram + _TLS_Data_size = _TLS_Data_end - _TLS_Data_begin; + _TLS_Data_begin = _TLS_Data_size != 0 ? _TLS_Data_begin : _TLS_BSS_begin; + _TLS_Data_end = _TLS_Data_size != 0 ? _TLS_Data_end : _TLS_BSS_begin; + _TLS_BSS_size = _TLS_BSS_end - _TLS_BSS_begin; + _TLS_Size = _TLS_BSS_end - _TLS_Data_begin; + _TLS_Alignment = MAX (ALIGNOF (.tdata), ALIGNOF (.tbss)); + .rtemsroset : { + /* for pre rtems-libbsd FreeBSD code */ + __start_set_sysctl_set = .; + KEEP(*(set_sysctl_*)); + __stop_set_sysctl_set = .; + KEEP(*(set_domain_*)); + KEEP(*(set_pseudo_*)); + + KEEP (*(SORT(.rtemsroset.*))) + + . = ALIGN (16); + _endtext = .; + } >ram + .rela.dyn : + { + *(.rela.init) + *(.rela.text .rela.text.* .rela.gnu.linkonce.t.*) + *(.rela.fini) + *(.rela.rodata .rela.rodata.* .rela.gnu.linkonce.r.*) + *(.rela.data .rela.data.* .rela.gnu.linkonce.d.*) + *(.rela.tdata .rela.tdata.* .rela.gnu.linkonce.td.*) + *(.rela.tbss .rela.tbss.* .rela.gnu.linkonce.tb.*) + *(.rela.ctors) + *(.rela.dtors) + *(.rela.got) + *(.rela.bss .rela.bss.* .rela.gnu.linkonce.b.*) + *(.rela.rtemsroset*) + *(.rela.rtemsrwset*) + } >ram + .data : + { + data_start = .; + _data_start = .; + _sdata = . ; + *(.data*) + *(.gnu.linkonce.d*) + . = ALIGN(0x10); + *(.gcc_except_table*) + . = ALIGN(0x10); + edata = .; + _edata = .; + } > ram + _data_load_start = LOADADDR (.data); + .rtemsrwset : { + KEEP (*(SORT(.rtemsrwset.*))) + } >ram + .dynamic : { *(.dynamic) } >ram + .jcr : { *(.jcr) } >ram + .got : { *(.got) } >ram + .plt : { *(.plt) } >ram + .hash : { *(.hash) } >ram + .dynrel : { *(.dynrel) } >ram + .dynsym : { *(.dynsym) } >ram + .dynstr : { *(.dynstr) } >ram + .hash : { *(.hash) } >ram + .shbss : + { + *(.shbss) + } > ram + .bss : + { + __bss_start = ALIGN(0x8); + _bss_start = .; + bss_start = .; + *(.bss .bss* .gnu.linkonce.b*) + *(COMMON) + . = ALIGN (16); + end = .; + _end = ALIGN(0x8); + __end = ALIGN(0x8); + } > ram + .stab . (NOLOAD) : + { + [ .stab ] + } + .stabstr . (NOLOAD) : + { + [ .stabstr ] + } +} |