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Adds new linker script and test ELF.
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Original file line number | Diff line number | Diff line change |
---|---|---|
@@ -1,26 +1,31 @@ | ||
PHDRS | ||
{ | ||
text PT_LOAD ; | ||
rodata PT_LOAD ; | ||
data PT_LOAD ; | ||
dynamic PT_DYNAMIC ; | ||
} | ||
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||
SECTIONS | ||
{ | ||
. = SIZEOF_HEADERS; | ||
.text : { *(.text*) } :text | ||
.rodata : { *(.rodata*) } :rodata | ||
.data.rel.ro : { *(.data.rel.ro*) } :rodata | ||
.dynamic : { *(.dynamic) } :dynamic | ||
.dynsym : { *(.dynsym) } :data | ||
.dynstr : { *(.dynstr) } :data | ||
.rel.dyn : { *(.rel.dyn) } :data | ||
.data : { *(.data*) } :data | ||
.bss : { *(.bss*) } :data | ||
.text 0x000000000 : { *(.text*) } :text | ||
.rodata 0x100000000 : { *(.rodata*) } :rodata | ||
.bss.stack 0x200000000 : { *(.bss.stack*) } :stack | ||
.bss.heap 0x300000000 : { *(.bss.heap*) } :heap | ||
.dynsym 0xFFFFFFFF00000000 : { *(.dynsym) } :dynsym | ||
.dynstr : { *(.dynstr) } :other | ||
.dynamic : { *(.dynamic) } :other | ||
.symtab : { *(.symtab) } :other | ||
.shstrtab : { *(.shstrtab) } :other | ||
.strtab : { *(.strtab) } :other | ||
/DISCARD/ : { | ||
*(.comment*) | ||
*(.eh_frame*) | ||
*(.gnu.hash*) | ||
*(.hash*) | ||
*(*hash*) | ||
*(.bss*) | ||
*(.data*) | ||
*(.rel.dyn*) | ||
} | ||
} | ||
|
||
PHDRS | ||
{ | ||
text PT_LOAD FLAGS(1); | ||
rodata PT_LOAD FLAGS(4); | ||
stack PT_GNU_STACK FLAGS(6); | ||
heap PT_LOAD FLAGS(6); | ||
dynsym PT_NULL FLAGS(0); | ||
other PT_NULL FLAGS(0); | ||
} |
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Original file line number | Diff line number | Diff line change |
---|---|---|
@@ -0,0 +1,26 @@ | ||
PHDRS | ||
{ | ||
text PT_LOAD ; | ||
rodata PT_LOAD ; | ||
data PT_LOAD ; | ||
dynamic PT_DYNAMIC ; | ||
} | ||
|
||
SECTIONS | ||
{ | ||
. = SIZEOF_HEADERS; | ||
.text : { *(.text*) } :text | ||
.rodata : { *(.rodata*) } :rodata | ||
.data.rel.ro : { *(.data.rel.ro*) } :rodata | ||
.dynamic : { *(.dynamic) } :dynamic | ||
.dynsym : { *(.dynsym) } :data | ||
.dynstr : { *(.dynstr) } :data | ||
.rel.dyn : { *(.rel.dyn) } :data | ||
.data : { *(.data*) } :data | ||
.bss : { *(.bss*) } :data | ||
/DISCARD/ : { | ||
*(.eh_frame*) | ||
*(.gnu.hash*) | ||
*(.hash*) | ||
} | ||
} |
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Original file line number | Diff line number | Diff line change |
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@@ -0,0 +1,21 @@ | ||
#![feature(linkage)] | ||
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#[link_section = ".bss.stack"] | ||
pub static _STACK: [u8; 0x1000] = [0; 0x1000]; | ||
#[link_section = ".bss.heap"] | ||
pub static _HEAP: [u8; 0x1000] = [0; 0x1000]; | ||
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static _VAL_A: u64 = 41; | ||
static VAL_B: u64 = 42; | ||
static _VAL_C: u64 = 43; | ||
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#[inline(never)] | ||
#[linkage="external"] | ||
fn foo() -> u64 { | ||
return unsafe { core::ptr::read_volatile(&VAL_B) }; | ||
} | ||
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||
#[no_mangle] | ||
pub fn entrypoint() -> u64 { | ||
return foo(); | ||
} |
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