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Move template linker script out of SConscript into its own file.

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This commit is contained in:
Russel Winder
2009-08-30 09:38:23 +01:00
parent 9e1464dab8
commit b003e7ae97
2 changed files with 46 additions and 39 deletions
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44
containers/posix/test0/SConscript
View File

@@ -23,45 +23,11 @@ taskName = 'test0'
def createTestExecLinkerScript(target, source, env): def createTestExecLinkerScript(target, source, env):
with open(target[0].path, 'w') as outFile: with open(target[0].path, 'w') as outFile:
outFile.write(""" ####
/* #### TODO: Remove this dependency on the hardwired path.
* Simple linker script for userspace or svc tasks. ####
* with open('containers/posix/test0/linker.lds.in') as templateFile:
* Copyright (C) 2007 Bahadir Balban outFile.write(templateFile.read().replace('__PHYSICAL_BASE_FILE_NAME_MARKER__', source[0].path))
*/
/*
* The only catch with this linker script is that everything
* is linked starting at virtual_base, and loaded starting
* at physical_base. virtual_base is the predefined region
* of virtual memory for userland applications. physical_base
* is determined at build-time, it is one of the subsequent pages
* that come after the kernel image's load area.
*/
/* USER_AREA_START, see memlayout.h */
virtual_base = 0x10000000;
__stack = (0x20000000 - 0x1000 - 8); /* First page before the env/args */
INCLUDE "%s"
/* physical_base = 0x228000; */
offset = virtual_base - physical_base;
ENTRY(_start)
SECTIONS
{
. = virtual_base;
_start_text = .;
.text : AT (ADDR(.text) - offset) { *(.text.init) *(.text) }
/* rodata is needed else your strings will link at physical! */
.rodata : AT (ADDR(.rodata) - offset) { *(.rodata) }
.rodata1 : AT (ADDR(.rodata1) - offset) { *(.rodata1) }
. = ALIGN(4K);
.data : AT (ADDR(.data) - offset) { *(.data) }
.bss : AT (ADDR(.bss) - offset) { *(.bss) }
_end = .;
}
""" % ( source[0].path ))
def createTestExecS(target, source, env): def createTestExecS(target, source, env):
with open(target[0].path, 'w') as outFile: with open(target[0].path, 'w') as outFile:

41
containers/posix/test0/linker.lds.in Normal file
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@@ -0,0 +1,41 @@
/*
* Simple linker script for userspace or svc tasks.
*
* Copyright (C) 2007 Bahadir Balban
*/
/*
* The only catch with this linker script is that everything
* is linked starting at virtual_base, and loaded starting
* at physical_base. virtual_base is the predefined region
* of virtual memory for userland applications. physical_base
* is determined at build-time, it is one of the subsequent pages
* that come after the kernel image's load area.
*/
/* USER_AREA_START, see memlayout.h */
virtual_base = 0x10000000;
__stack = (0x20000000 - 0x1000 - 8); /* First page before the env/args */
INCLUDE "__PHYSICAL_BASE_FILE_NAME_MARKER__"
/* physical_base = 0x228000; */
offset = virtual_base - physical_base;
ENTRY(_start)
SECTIONS
{
. = virtual_base;
_start_text = .;
.text : AT (ADDR(.text) - offset) { *(.text.init) *(.text) }
/* rodata is needed else your strings will link at physical! */
.rodata : AT (ADDR(.rodata) - offset) { *(.rodata) }
.rodata1 : AT (ADDR(.rodata1) - offset) { *(.rodata1) }
. = ALIGN(4K);
.data : AT (ADDR(.data) - offset) { *(.data) }
.bss : AT (ADDR(.bss) - offset) { *(.bss) }
_end = .;
}