[c8941b0] | 1 | /* linkcmds |
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| 2 | */ |
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| 3 | |
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| 4 | OUTPUT_ARCH(sparc) |
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| 5 | __DYNAMIC = 0; |
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[24a6943] | 6 | ENTRY(start) |
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[c8941b0] | 7 | |
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| 8 | /* |
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| 9 | * The memory map looks like this: |
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| 10 | * +--------------------+ <- low memory |
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| 11 | * | .text | |
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| 12 | * | etext | |
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| 13 | * | ctor list | the ctor and dtor lists are for |
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| 14 | * | dtor list | C++ support |
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| 15 | * | _endtext | |
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| 16 | * +--------------------+ |
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| 17 | * | .data | initialized data goes here |
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| 18 | * | _sdata | |
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| 19 | * | _edata | |
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| 20 | * +--------------------+ |
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| 21 | * | .bss | |
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| 22 | * | __bss_start | start of bss, cleared by crt0 |
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| 23 | * | _end | start of heap, used by sbrk() |
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| 24 | * +--------------------+ |
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| 25 | * | heap space | |
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| 26 | * | _ENDHEAP | |
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| 27 | * | stack space | |
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| 28 | * | __stack | top of stack |
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| 29 | * +--------------------+ <- high memory |
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| 30 | */ |
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| 31 | |
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| 32 | _RAM_END = _RAM_START + _RAM_SIZE; |
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| 33 | |
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| 34 | _PROM_END = _PROM_START + _PROM_SIZE; |
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| 35 | |
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| 36 | /* |
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| 37 | * Alternate names without leading _. |
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| 38 | */ |
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| 39 | |
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| 40 | PROM_START = _PROM_START; |
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| 41 | PROM_SIZE = _PROM_SIZE; |
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| 42 | PROM_END = _PROM_END; |
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| 43 | |
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| 44 | RAM_START = _RAM_START; |
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| 45 | RAM_SIZE = _RAM_SIZE; |
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| 46 | RAM_END = _RAM_END; |
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| 47 | |
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| 48 | /* |
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| 49 | * SPARC monitor assumes this is present to provide proper RTEMS awareness. |
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| 50 | */ |
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| 51 | EXTERN(rtems_get_version_string); |
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| 52 | |
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| 53 | /* |
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| 54 | * stick everything in ram (of course) |
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| 55 | */ |
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| 56 | SECTIONS |
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| 57 | { |
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| 58 | .text : |
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| 59 | { |
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| 60 | CREATE_OBJECT_SYMBOLS |
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| 61 | text_start = .; |
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| 62 | _text_start = .; |
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| 63 | *(.text*) |
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| 64 | . = ALIGN (16); |
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| 65 | |
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[95cb09e] | 66 | KEEP(*(.eh_frame*)) |
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[c8941b0] | 67 | . = ALIGN (16); |
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| 68 | |
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| 69 | *(.gnu.linkonce.t*) |
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| 70 | |
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| 71 | /* |
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| 72 | * C++ constructors |
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| 73 | */ |
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| 74 | /* gcc uses crtbegin.o to find the start of |
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| 75 | the constructors, so we make sure it is |
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| 76 | first. Because this is a wildcard, it |
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| 77 | doesn't matter if the user does not |
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| 78 | actually link against crtbegin.o; the |
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| 79 | linker won't look for a file to match a |
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| 80 | wildcard. The wildcard also means that it |
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| 81 | doesn't matter which directory crtbegin.o |
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| 82 | is in. */ |
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| 83 | KEEP (*crtbegin.o(.ctors)) |
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| 84 | KEEP (*crtbegin?.o(.ctors)) |
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| 85 | /* We don't want to include the .ctor section from |
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| 86 | the crtend.o file until after the sorted ctors. |
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| 87 | The .ctor section from the crtend file contains the |
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| 88 | end of ctors marker and it must be last */ |
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| 89 | KEEP (*(EXCLUDE_FILE (*crtend.o *crtend?.o ) .ctors)) |
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[95cb09e] | 90 | KEEP (*(SORT(.ctors*))) |
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[c8941b0] | 91 | KEEP (*crtbegin.o(.dtors)) |
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| 92 | KEEP (*crtbegin?.o(.dtors)) |
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| 93 | KEEP (*(EXCLUDE_FILE (*crtend.o *crtend?.o ) .dtors)) |
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[95cb09e] | 94 | KEEP (*(SORT(.dtors*))) |
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[c8941b0] | 95 | |
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| 96 | _rodata_start = . ; |
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| 97 | *(.rodata*) |
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| 98 | *(.gnu.linkonce.r*) |
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| 99 | _erodata = ALIGN( 0x10 ) ; |
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| 100 | |
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| 101 | etext = ALIGN(0x10); |
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| 102 | _etext = .; |
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[95cb09e] | 103 | KEEP(*(.init*)) |
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| 104 | KEEP(*(.fini*)) |
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[c8941b0] | 105 | *(.lit) |
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| 106 | *(.shdata) |
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| 107 | . = ALIGN (16); |
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| 108 | } > ram |
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[960fd85] | 109 | .tdata : { |
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| 110 | _TLS_Data_begin = .; |
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| 111 | *(.tdata .tdata.* .gnu.linkonce.td.*) |
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| 112 | _TLS_Data_end = .; |
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| 113 | } > ram |
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| 114 | .tbss : { |
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| 115 | _TLS_BSS_begin = .; |
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| 116 | *(.tbss .tbss.* .gnu.linkonce.tb.*) *(.tcommon) |
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| 117 | _TLS_BSS_end = .; |
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| 118 | } > ram |
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| 119 | _TLS_Data_size = _TLS_Data_end - _TLS_Data_begin; |
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[d60e760] | 120 | _TLS_Data_begin = _TLS_Data_size != 0 ? _TLS_Data_begin : _TLS_BSS_begin; |
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| 121 | _TLS_Data_end = _TLS_Data_size != 0 ? _TLS_Data_end : _TLS_BSS_begin; |
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[960fd85] | 122 | _TLS_BSS_size = _TLS_BSS_end - _TLS_BSS_begin; |
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| 123 | _TLS_Size = _TLS_BSS_end - _TLS_Data_begin; |
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[d60e760] | 124 | _TLS_Alignment = MAX (ALIGNOF (.tdata), ALIGNOF (.tbss)); |
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[e4927ece] | 125 | .rtemsroset : { |
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[c2395717] | 126 | /* for pre rtems-libbsd FreeBSD code */ |
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| 127 | __start_set_sysctl_set = .; |
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[24a6943] | 128 | KEEP(*(set_sysctl_*)); |
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[c2395717] | 129 | __stop_set_sysctl_set = .; |
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[24a6943] | 130 | KEEP(*(set_domain_*)); |
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| 131 | KEEP(*(set_pseudo_*)); |
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[c2395717] | 132 | |
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[e4927ece] | 133 | KEEP (*(SORT(.rtemsroset.*))) |
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[c2395717] | 134 | |
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[aae7daa9] | 135 | . = ALIGN (16); |
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| 136 | _endtext = .; |
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[c2395717] | 137 | } >ram |
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[c8941b0] | 138 | .rela.dyn : |
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| 139 | { |
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| 140 | *(.rela.init) |
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| 141 | *(.rela.text .rela.text.* .rela.gnu.linkonce.t.*) |
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| 142 | *(.rela.fini) |
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| 143 | *(.rela.rodata .rela.rodata.* .rela.gnu.linkonce.r.*) |
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| 144 | *(.rela.data .rela.data.* .rela.gnu.linkonce.d.*) |
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| 145 | *(.rela.tdata .rela.tdata.* .rela.gnu.linkonce.td.*) |
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| 146 | *(.rela.tbss .rela.tbss.* .rela.gnu.linkonce.tb.*) |
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| 147 | *(.rela.ctors) |
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| 148 | *(.rela.dtors) |
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| 149 | *(.rela.got) |
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| 150 | *(.rela.bss .rela.bss.* .rela.gnu.linkonce.b.*) |
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| 151 | } >ram |
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| 152 | .data : |
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| 153 | { |
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| 154 | data_start = .; |
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| 155 | _data_start = .; |
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| 156 | _sdata = . ; |
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| 157 | *(.data*) |
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| 158 | *(.gnu.linkonce.d*) |
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[95cb09e] | 159 | . = ALIGN(0x10); |
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[c8941b0] | 160 | *(.gcc_except_table*) |
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| 161 | . = ALIGN(0x10); |
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| 162 | edata = .; |
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| 163 | _edata = .; |
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| 164 | } > ram |
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[fac8a3a] | 165 | _data_load_start = LOADADDR (.data); |
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[91c250fc] | 166 | .rtemsrwset : { |
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| 167 | KEEP (*(SORT(.rtemsrwset.*))) |
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| 168 | } >ram |
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[c8941b0] | 169 | .dynamic : { *(.dynamic) } >ram |
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| 170 | .jcr : { *(.jcr) } >ram |
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| 171 | .got : { *(.got) } >ram |
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| 172 | .plt : { *(.plt) } >ram |
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| 173 | .hash : { *(.hash) } >ram |
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| 174 | .dynrel : { *(.dynrel) } >ram |
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| 175 | .dynsym : { *(.dynsym) } >ram |
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| 176 | .dynstr : { *(.dynstr) } >ram |
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| 177 | .hash : { *(.hash) } >ram |
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| 178 | .shbss : |
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| 179 | { |
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| 180 | *(.shbss) |
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| 181 | } > ram |
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| 182 | .bss : |
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| 183 | { |
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| 184 | __bss_start = ALIGN(0x8); |
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| 185 | _bss_start = .; |
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| 186 | bss_start = .; |
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| 187 | *(.bss .bss* .gnu.linkonce.b*) |
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| 188 | *(COMMON) |
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| 189 | . = ALIGN (16); |
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| 190 | end = .; |
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| 191 | _end = ALIGN(0x8); |
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| 192 | __end = ALIGN(0x8); |
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| 193 | } > ram |
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| 194 | .stab . (NOLOAD) : |
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| 195 | { |
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| 196 | [ .stab ] |
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| 197 | } |
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| 198 | .stabstr . (NOLOAD) : |
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| 199 | { |
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| 200 | [ .stabstr ] |
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| 201 | } |
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| 202 | } |
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