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gen_eh_elf: handle -O{0,1,2,3,s} directly

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Théophile Bastian 2018-05-11 15:53:02 +02:00
parent 52ea92dcf8
commit 4ccd49fb8a
1 changed files with 27 additions and 2 deletions
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29
generate_eh_elf.py
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@ -84,19 +84,22 @@ def gen_eh_elf(obj_path, args, dwarf_assembly_args=None):
# Compile it into a .o # Compile it into a .o
print("\tCompiling into .o…") print("\tCompiling into .o…")
o_path = os.path.join(compile_dir, (out_base_name + '.o')) o_path = os.path.join(compile_dir, (out_base_name + '.o'))
opt_level = args.c_opt_level
if opt_level is None:
opt_level = '-O3'
if args.remote: if args.remote:
remote_out = do_remote( remote_out = do_remote(
args.remote, args.remote,
[C_BIN, [C_BIN,
'-o', out_base_name + '.o', '-o', out_base_name + '.o',
'-c', out_base_name + '.c', '-c', out_base_name + '.c',
'-O3', '-fPIC'], opt_level, '-fPIC'],
send_files=[c_path], send_files=[c_path],
retr_files=[(out_base_name + '.o', o_path)]) retr_files=[(out_base_name + '.o', o_path)])
call_rc = 1 if remote_out is None else 0 call_rc = 1 if remote_out is None else 0
else: else:
call_rc = subprocess.call( call_rc = subprocess.call(
[C_BIN, '-o', o_path, '-c', c_path, '-O3', '-fPIC']) [C_BIN, '-o', o_path, '-c', c_path, opt_level, '-fPIC'])
if call_rc != 0: if call_rc != 0:
raise Exception("Failed to compile to a .o file") raise Exception("Failed to compile to a .o file")
@ -141,6 +144,28 @@ def process_args():
help=("Generate a PC list using `extract_pc.py` for " help=("Generate a PC list using `extract_pc.py` for "
"each processed ELF file, and call " "each processed ELF file, and call "
"dwarf-assembly accordingly.")) "dwarf-assembly accordingly."))
# c_opt_level
opt_level_grp = parser.add_mutually_exclusive_group()
opt_level_grp.add_argument('-O0', action='store_const', const='-O0',
dest='c_opt_level',
help=("Compile C file with this optimization "
"level."))
opt_level_grp.add_argument('-O1', action='store_const', const='-O1',
dest='c_opt_level',
help=("Compile C file with this optimization "
"level."))
opt_level_grp.add_argument('-O2', action='store_const', const='-O2',
dest='c_opt_level',
help=("Compile C file with this optimization "
"level."))
opt_level_grp.add_argument('-O3', action='store_const', const='-O3',
dest='c_opt_level',
help=("Compile C file with this optimization "
"level."))
opt_level_grp.add_argument('-Os', action='store_const', const='-Os',
dest='c_opt_level',
help=("Compile C file with this optimization "
"level."))
switch_generation_policy = \ switch_generation_policy = \
parser.add_mutually_exclusive_group(required=True) parser.add_mutually_exclusive_group(required=True)