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Progress on executing test0 from memfs file as an elf.

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Elf is recognised OK, but somehow section table is not read correctly.
This commit is contained in:
Bahadir Balban
2009-10-06 18:30:36 +03:00
parent 965f2f9456
commit ea9c399dda
9 changed files with 120 additions and 23 deletions
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41
conts/posix/test0/SConscript
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@@ -9,7 +9,7 @@ sys.path.append('../../../../')
from config.lib import *
from tools.pyelf.lmanext import *
src = [Glob('*.[cS]') + Glob('src/*.c') + Glob('src/arch/arm/*.c')]
src = [Glob('*.[c]') + Glob('test_exec.S') + Glob('src/*.c') + Glob('src/arch/arm/*.c')]
asm_string = \
'''
@@ -33,7 +33,6 @@ lma_lds = Command('include/linker.lds', [previmage, 'include/linker.lds.in'], ge
env = environment.Clone()
test_exec_env = environment.Clone()
test_exec_env.Append(LIBS = ['posix', 'c-userspace'])
test_exec_env.Append(LINKFLAGS = ['-T' + "test0/include/test_exec_linker.lds", '-u_start'])
test_exec_env.Append(CPPFLAGS = ' -D__USERSPACE__')
@@ -46,11 +45,41 @@ test_exec_asm = Command('test_exec.S', test_exec, generate_incbin_asm)
env.Append(LIBS = ['posix', 'c-userspace'])
env.Append(LINKFLAGS = ['-T' + lma_lds[0].path, '-u_start'])
env.Append(CPPFLAGS = ' -D__USERSPACE__')
env.Replace(PROGSUFFIX = '')
objs = env.Object(src + test_exec_asm)
test0 = env.Program('test0.elf', objs)
test0 = env.Program('test0', objs)
elf_wrap_string = \
'''
.align 4
.section .data
.incbin "%s"
'''
def elf_wrap_asm(target, source, env):
with open(target[0].path, 'w+') as asm_out:
asm_out.write(elf_wrap_string % source[0].path)
def elf_wrap_lds(target, source, env):
with open(source[1].path, 'r') as lds_in:
with open(target[0].path, 'w+') as lds_out:
linker_script = lds_in.read()
lds_out.write(linker_script % next_available_lma(source[0].path))
# This further wraps the test0 elf image in another elf. Required.
elf_wrap_env = environment.Clone()
elf_wrapped_asm = Command('test0_elf_wrapped.S', test0, elf_wrap_asm)
elf_wrapped_lds = Command('include/elf_wrapper.lds', [previmage, 'include/elf_wrapper.lds.in'], elf_wrap_lds)
elf_wrap_env.Append(LINKFLAGS = '-T' + elf_wrapped_lds[0].path)
elf_wrap_objs = elf_wrap_env.Object(elf_wrapped_asm)
test0_elf_elf = elf_wrap_env.Program('test0_elf.elf', elf_wrap_objs)
Depends(test0, objs)
Depends(test0, lma_lds)
Depends(lma_lds, previmage)
env.Depends(test0, test_exec)
Return('test0')
Depends(test0, test_exec)
Depends(test0_elf_elf, elf_wrap_objs)
Depends(test0_elf_elf, test0)
Depends(test0_elf_elf, elf_wrapped_lds)
Return('test0_elf_elf')