kern.ldscript revision 1.1
11.1Smatt/* Script for -n: mix text and data on same page */ 21.1SmattOUTPUT_FORMAT("elf64-littleriscv") 31.1SmattOUTPUT_ARCH(riscv) 41.1SmattENTRY(_start) 51.1SmattSEARCH_DIR("/lib"); 61.1SmattSECTIONS 71.1Smatt{ 81.1Smatt /* Read-only sections, merged into text segment: */ 91.1Smatt PROVIDE (__executable_start = SEGMENT_START("text-segment", 0xffffffff80000000)); . = SEGMENT_START("text-segment", 0xffffffff80000000) + SIZEOF_HEADERS; 101.1Smatt .rel.rodata : { *(.rel.rodata .rel.rodata.* .rel.gnu.linkonce.r.*) } 111.1Smatt .rela.rodata : { *(.rela.rodata .rela.rodata.* .rela.gnu.linkonce.r.*) } 121.1Smatt .rel.data.rel.ro : { *(.rel.data.rel.ro .rel.data.rel.ro.* .rel.gnu.linkonce.d.rel.ro.*) } 131.1Smatt .rela.data.rel.ro : { *(.rela.data.rel.ro .rela.data.rel.ro.* .rela.gnu.linkonce.d.rel.ro.*) } 141.1Smatt .rel.data : { *(.rel.data .rel.data.* .rel.gnu.linkonce.d.*) } 151.1Smatt .rela.data : { *(.rela.data .rela.data.* .rela.gnu.linkonce.d.*) } 161.1Smatt .rel.tdata : { *(.rel.tdata .rel.tdata.* .rel.gnu.linkonce.td.*) } 171.1Smatt .rela.tdata : { *(.rela.tdata .rela.tdata.* .rela.gnu.linkonce.td.*) } 181.1Smatt .rel.tbss : { *(.rel.tbss .rel.tbss.* .rel.gnu.linkonce.tb.*) } 191.1Smatt .rela.tbss : { *(.rela.tbss .rela.tbss.* .rela.gnu.linkonce.tb.*) } 201.1Smatt .rel.sdata : { *(.rel.sdata .rel.sdata.* .rel.gnu.linkonce.s.*) } 211.1Smatt .rela.sdata : { *(.rela.sdata .rela.sdata.* .rela.gnu.linkonce.s.*) } 221.1Smatt .rel.sbss : { *(.rel.sbss .rel.sbss.* .rel.gnu.linkonce.sb.*) } 231.1Smatt .rela.sbss : { *(.rela.sbss .rela.sbss.* .rela.gnu.linkonce.sb.*) } 241.1Smatt .rel.sdata2 : { *(.rel.sdata2 .rel.sdata2.* .rel.gnu.linkonce.s2.*) } 251.1Smatt .rela.sdata2 : { *(.rela.sdata2 .rela.sdata2.* .rela.gnu.linkonce.s2.*) } 261.1Smatt .rel.sbss2 : { *(.rel.sbss2 .rel.sbss2.* .rel.gnu.linkonce.sb2.*) } 271.1Smatt .rela.sbss2 : { *(.rela.sbss2 .rela.sbss2.* .rela.gnu.linkonce.sb2.*) } 281.1Smatt .rel.bss : { *(.rel.bss .rel.bss.* .rel.gnu.linkonce.b.*) } 291.1Smatt .rela.bss : { *(.rela.bss .rela.bss.* .rela.gnu.linkonce.b.*) } 301.1Smatt .text : 311.1Smatt { 321.1Smatt _ftext = . ; 331.1Smatt *(.text) 341.1Smatt *(.text.unlikely .text.*_unlikely) 351.1Smatt *(.text.exit .text.exit.*) 361.1Smatt *(.text.startup .text.startup.*) 371.1Smatt *(.text.hot .text.hot.*) 381.1Smatt *(.stub .text.* .gnu.linkonce.t.*) 391.1Smatt } 401.1Smatt PROVIDE (__etext = .); 411.1Smatt PROVIDE (_etext = .); 421.1Smatt PROVIDE (etext = .); 431.1Smatt .rodata : { *(.rodata .rodata.* .gnu.linkonce.r.*) } 441.1Smatt .rodata1 : { *(.rodata1) } 451.1Smatt .sdata2 : 461.1Smatt { 471.1Smatt *(.sdata2 .sdata2.* .gnu.linkonce.s2.*) 481.1Smatt } 491.1Smatt .sbss2 : { *(.sbss2 .sbss2.* .gnu.linkonce.sb2.*) } 501.1Smatt .eh_frame_hdr : { *(.eh_frame_hdr) } 511.1Smatt .eh_frame : ONLY_IF_RO { KEEP (*(.eh_frame)) } 521.1Smatt /* These sections are generated by the Sun/Oracle C++ compiler. */ 531.1Smatt .exception_ranges : ONLY_IF_RO { *(.exception_ranges 541.1Smatt .exception_ranges*) } 551.1Smatt /* Adjust the address for the data segment. We want to adjust up to 561.1Smatt the same address within the page on the next page up. */ 571.1Smatt . = ALIGN (CONSTANT (MAXPAGESIZE)) - ((CONSTANT (MAXPAGESIZE) - .) & (CONSTANT (MAXPAGESIZE) - 1)); . = DATA_SEGMENT_ALIGN (CONSTANT (MAXPAGESIZE), CONSTANT (COMMONPAGESIZE)); 581.1Smatt /* Exception handling */ 591.1Smatt .eh_frame : ONLY_IF_RW { KEEP (*(.eh_frame)) } 601.1Smatt .exception_ranges : ONLY_IF_RW { *(.exception_ranges .exception_ranges*) } 611.1Smatt .data.rel.ro : { *(.data.rel.ro.local* .gnu.linkonce.d.rel.ro.local.*) *(.data.rel.ro .data.rel.ro.* .gnu.linkonce.d.rel.ro.*) } 621.1Smatt . = DATA_SEGMENT_RELRO_END (0, .); 631.1Smatt .data : 641.1Smatt { 651.1Smatt _fdata = . ; 661.1Smatt *(.data .data.* .gnu.linkonce.d.*) 671.1Smatt SORT(CONSTRUCTORS) 681.1Smatt } 691.1Smatt .data1 : { *(.data1) } 701.1Smatt /* We want the small data sections together, so single-instruction offsets 711.1Smatt can access them all, and initialized data all before uninitialized, so 721.1Smatt we can shorten the on-disk segment size. */ 731.1Smatt .sdata : 741.1Smatt { 751.1Smatt /*_gp = . + 0x800;*/ 761.1Smatt *(.srodata.cst16) *(.srodata.cst8) *(.srodata.cst4) *(.srodata.cst2) *(.srodata*) 771.1Smatt *(.sdata .sdata.* .gnu.linkonce.s.*) 781.1Smatt } 791.1Smatt _edata = .; PROVIDE (edata = .); 801.1Smatt . = .; 811.1Smatt __bss_start = .; 821.1Smatt _fbss = .; 831.1Smatt .sbss : 841.1Smatt { 851.1Smatt *(.dynsbss) 861.1Smatt *(.sbss .sbss.* .gnu.linkonce.sb.*) 871.1Smatt *(.scommon) 881.1Smatt } 891.1Smatt .bss : 901.1Smatt { 911.1Smatt *(.dynbss) 921.1Smatt *(.bss .bss.* .gnu.linkonce.b.*) 931.1Smatt *(COMMON) 941.1Smatt /* Align here to ensure that the .bss section occupies space up to 951.1Smatt _end. Align after .bss to ensure correct alignment even if the 961.1Smatt .bss section disappears because there are no input sections. 971.1Smatt FIXME: Why do we need it? When there is no .bss section, we don't 981.1Smatt pad the .data section. */ 991.1Smatt . = ALIGN(. != 0 ? 64 / 8 : 1); 1001.1Smatt } 1011.1Smatt . = ALIGN(64 / 8); 1021.1Smatt _end = .; PROVIDE (end = .); 1031.1Smatt . = DATA_SEGMENT_END (.); 1041.1Smatt /* Stabs debugging sections. */ 1051.1Smatt .stab 0 : { *(.stab) } 1061.1Smatt .stabstr 0 : { *(.stabstr) } 1071.1Smatt .stab.excl 0 : { *(.stab.excl) } 1081.1Smatt .stab.exclstr 0 : { *(.stab.exclstr) } 1091.1Smatt .stab.index 0 : { *(.stab.index) } 1101.1Smatt .stab.indexstr 0 : { *(.stab.indexstr) } 1111.1Smatt .comment 0 : { *(.comment) } 1121.1Smatt /* DWARF debug sections. 1131.1Smatt Symbols in the DWARF debugging sections are relative to the beginning 1141.1Smatt of the section so we begin them at 0. */ 1151.1Smatt /* DWARF 1 */ 1161.1Smatt .debug 0 : { *(.debug) } 1171.1Smatt .line 0 : { *(.line) } 1181.1Smatt /* GNU DWARF 1 extensions */ 1191.1Smatt .debug_srcinfo 0 : { *(.debug_srcinfo) } 1201.1Smatt .debug_sfnames 0 : { *(.debug_sfnames) } 1211.1Smatt /* DWARF 1.1 and DWARF 2 */ 1221.1Smatt .debug_aranges 0 : { *(.debug_aranges) } 1231.1Smatt .debug_pubnames 0 : { *(.debug_pubnames) } 1241.1Smatt /* DWARF 2 */ 1251.1Smatt .debug_info 0 : { *(.debug_info .gnu.linkonce.wi.*) } 1261.1Smatt .debug_abbrev 0 : { *(.debug_abbrev) } 1271.1Smatt .debug_line 0 : { *(.debug_line) } 1281.1Smatt .debug_frame 0 : { *(.debug_frame) } 1291.1Smatt .debug_str 0 : { *(.debug_str) } 1301.1Smatt .debug_loc 0 : { *(.debug_loc) } 1311.1Smatt .debug_macinfo 0 : { *(.debug_macinfo) } 1321.1Smatt /* SGI/MIPS DWARF 2 extensions */ 1331.1Smatt .debug_weaknames 0 : { *(.debug_weaknames) } 1341.1Smatt .debug_funcnames 0 : { *(.debug_funcnames) } 1351.1Smatt .debug_typenames 0 : { *(.debug_typenames) } 1361.1Smatt .debug_varnames 0 : { *(.debug_varnames) } 1371.1Smatt /* DWARF 3 */ 1381.1Smatt .debug_pubtypes 0 : { *(.debug_pubtypes) } 1391.1Smatt .debug_ranges 0 : { *(.debug_ranges) } 1401.1Smatt /* DWARF Extension. */ 1411.1Smatt .debug_macro 0 : { *(.debug_macro) } 1421.1Smatt .gnu.attributes 0 : { KEEP (*(.gnu.attributes)) } 1431.1Smatt .gptab.sdata : { *(.gptab.data) *(.gptab.sdata) } 1441.1Smatt .gptab.sbss : { *(.gptab.bss) *(.gptab.sbss) } 1451.1Smatt /DISCARD/ : { *(.note.GNU-stack) *(.gnu_debuglink) *(.gnu.lto_*) } 1461.1Smatt} 147