diff options
Diffstat (limited to 'kernel.ld')
| -rw-r--r-- | kernel.ld | 41 |
1 files changed, 11 insertions, 30 deletions
@@ -1,22 +1,13 @@ -/* Simple linker script for the JOS kernel. - See the GNU ld 'info' manual ("info ld") to learn the syntax. */ - -OUTPUT_FORMAT("elf32-i386", "elf32-i386", "elf32-i386") -OUTPUT_ARCH(i386) -ENTRY(_start) +OUTPUT_FORMAT("elf64-x86-64", "elf64-x86-64", "elf64-x86-64") +OUTPUT_ARCH(i386:x86-64) SECTIONS { - /* Link the kernel at this address: "." means the current address */ - /* Must be equal to KERNLINK */ - . = 0x80100000; - + . = 0xFFFFFF0000100000; + PROVIDE(text = .); .text : AT(0x100000) { *(.text .stub .text.* .gnu.linkonce.t.*) } - - PROVIDE(etext = .); /* Define the 'etext' symbol to this value */ - .rodata : { *(.rodata .rodata.* .gnu.linkonce.r.*) } @@ -38,31 +29,21 @@ SECTIONS for this section */ } - /* Adjust the address for the data segment to the next page */ . = ALIGN(0x1000); - /* Conventionally, Unix linkers provide pseudo-symbols - * etext, edata, and end, at the end of the text, data, and bss. - * For the kernel mapping, we need the address at the beginning - * of the data section, but that's not one of the conventional - * symbols, because the convention started before there was a - * read-only rodata section between text and data. */ - PROVIDE(data = .); - - /* The data segment */ + /* Conventionally, Unix linkers provide pseudo-symbols + * etext, edata, and end, at the end of the text, data, and bss. + * For the kernel mapping, we need the address at the beginning + * of the data section, but that's not one of the conventional + * symbols, because the convention started before there was a + * read-only rodata section between text and data. */ + PROVIDE(data = .); .data : { *(.data) } - PROVIDE(edata = .); - .bss : { *(.bss) } - PROVIDE(end = .); - - /DISCARD/ : { - *(.eh_frame .note.GNU-stack) - } } |