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We have all posix programs getting compiled.

Browse Source 
A lot of hassles on standard c library, mock-up libc, and libposix
headers taken from uClibc clashing has been worked around.

Next:
 - Linker scripts need fixing and adjusting.
 - Bootdesc needs to be generated.
 - Per-container compilation scripts need connecting.
This commit is contained in:
Bahadir Balban
2009-09-29 23:06:29 +03:00
parent f0bb0a4657
commit 1aa31bc9d5
3 changed files with 29 additions and 4 deletions
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9
conts/posix/SConstruct
View File

@@ -56,8 +56,10 @@ env = Environment(CC = 'arm-none-linux-gnueabi-gcc',
contid = ARGUMENTS.get('cont', '0')
libposix_env = env.Clone()
libposix_env.Replace(CPPPATH = [LIBPOSIX_INCLUDE_USERSPACE, 'include', KERNEL_INCLUDE, LIBL4_INCLUDE, LIBMEM_INCLUDE])
libposix = SConscript('libposix/SConscript', \
exports = { 'config' : config, 'env' : env, 'contid' : contid}, duplicate = 0, \
exports = { 'config' : config, 'env' : libposix_env, 'contid' : contid}, duplicate = 0, \
variant_dir = join(BUILDDIR, 'conts' + '/posix' + '/libposix'))
mm0_env = env.Clone()
@@ -73,8 +75,9 @@ fs0 = SConscript('fs0/SConscript', \
variant_dir = join(BUILDDIR, 'cont' + str(contid) + '/posix' + '/fs0'))
test0_env = env.Clone()
test0_env.Replace(CPPPATH = [LIBPOSIX_INCLUDE_USERSPACE, 'include', LIBC_INCLUDE, KERNEL_INCLUDE, LIBL4_INCLUDE, LIBMEM_INCLUDE])
test0_env.Append(CCFLAGS = '-nostdinc')
test0_env.Replace(CPPPATH = ['include', KERNEL_INCLUDE, LIBL4_INCLUDE, LIBMEM_INCLUDE])
#test0_env.Replace(CPPPATH = [LIBPOSIX_INCLUDE_USERSPACE, 'include', LIBC_INCLUDE, KERNEL_INCLUDE, LIBL4_INCLUDE, LIBMEM_INCLUDE])
#test0_env.Append(CCFLAGS = '-nostdinc')
test0 = SConscript('test0/SConscript', \
exports = { 'config' : config, 'environment' : test0_env, 'contid' : contid}, duplicate = 0, \
variant_dir = join(BUILDDIR, 'cont' + str(contid) + '/posix' + '/test0'))

3
conts/posix/test0/SConscript
View File

@@ -10,12 +10,13 @@ src = [Glob('*.[cS]') + Glob('src/*.c') + Glob('src/arch/arm/*.c')]
env = environment.Clone()
test_env = environment.Clone()
env.Append(LIBS = 'posix')
env.Append(LIBS = ['posix', 'c-userspace'])
env.Append(LINKFLAGS = ['-T' + "test0/include/linker.lds", '-u_start'])
env.Append(CPPFLAGS = ' -D__USERSPACE__')
objs = env.Object(src)
test0 = env.Program('test0.elf', objs)
test_env.Append(LIBS = ['posix', 'c-userspace'])
test_env.Append(LINKFLAGS = ['-T' + "test0/include/test_exec_linker.lds", '-u_start'])
test_env.Append(CPPFLAGS = ' -D__USERSPACE__')
test_src = Glob('src/test_exec/*.[cS]')

21
conts/posix/test0/include/test_exec_linker.lds Normal file
View File

@@ -0,0 +1,21 @@
/*
* Simple linker script for userspace or svc tasks.
*
* Copyright (C) 2007 Bahadir Balban
*/
virtual_base = 0x10000000;
__stack = (0x20000000 - 0x1000 - 8); /* First page before the env/args */
ENTRY(_start)
SECTIONS
{
. = virtual_base;
.text : { *(.text.head) *(.text) }
.rodata : { *(.rodata) }
.rodata1 : { *(.rodata1) }
.data : { *(.data) }
.bss : { *(.bss) }
}