3bfcaeaf01
either path. This helped tracking down a bug: use 144 instead of 32 to find cs in trapframe so that gs is correctly saved and restored. For good measure update linker script, because newer versions of GCC sometimes places symbols passed end.
51 lines
1.2 KiB
Plaintext
51 lines
1.2 KiB
Plaintext
OUTPUT_FORMAT("elf64-x86-64", "elf64-x86-64", "elf64-x86-64")
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OUTPUT_ARCH(i386:x86-64)
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SECTIONS
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{
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. = 0xFFFFFF0000100000;
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PROVIDE(text = .);
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.text : AT(0x100000) {
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*(.text .stub .text.* .gnu.linkonce.t.*)
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}
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.rodata : {
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*(.rodata .rodata.* .gnu.linkonce.r.*)
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}
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/* Include debugging information in kernel memory */
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.stab : {
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PROVIDE(__STAB_BEGIN__ = .);
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*(.stab);
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PROVIDE(__STAB_END__ = .);
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BYTE(0) /* Force the linker to allocate space
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for this section */
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}
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.stabstr : {
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PROVIDE(__STABSTR_BEGIN__ = .);
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*(.stabstr);
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PROVIDE(__STABSTR_END__ = .);
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BYTE(0) /* Force the linker to allocate space
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for this section */
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}
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. = ALIGN(0x1000);
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/* Conventionally, Unix linkers provide pseudo-symbols
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* etext, edata, and end, at the end of the text, data, and bss.
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* For the kernel mapping, we need the address at the beginning
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* of the data section, but that's not one of the conventional
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* symbols, because the convention started before there was a
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* read-only rodata section between text and data. */
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PROVIDE(data = .);
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.data : {
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*(.data)
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}
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bss : {
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PROVIDE(edata = .);
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*(.bss)
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*(COMMON)
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PROVIDE(end = .);
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}
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}
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