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Add --pc-list switch to generate_eh_elf

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This commit is contained in:
Théophile Bastian 2018-05-11 15:52:08 +02:00
parent 13ebe46df2
commit bc05e8270c
1 changed files with 15 additions and 0 deletions
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15
generate_eh_elf.py
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@ -13,6 +13,7 @@ import tempfile
import argparse import argparse
from shared_python import elf_so_deps, do_remote, is_newer from shared_python import elf_so_deps, do_remote, is_newer
from extract_pc import generate_pc_list
DWARF_ASSEMBLY_BIN = os.path.join( DWARF_ASSEMBLY_BIN = os.path.join(
@ -60,11 +61,21 @@ def gen_eh_elf(obj_path, args, dwarf_assembly_args=None):
out_base_name = os.path.basename(obj_path) + '.eh_elf' out_base_name = os.path.basename(obj_path) + '.eh_elf'
out_so_path = os.path.join(out_dir, (out_base_name + '.so')) out_so_path = os.path.join(out_dir, (out_base_name + '.so'))
pc_list_dir = os.path.join(out_dir, 'pc_list')
if is_newer(out_so_path, obj_path): if is_newer(out_so_path, obj_path):
return # The object is recent enough, no need to recreate it return # The object is recent enough, no need to recreate it
with tempfile.TemporaryDirectory() as compile_dir: with tempfile.TemporaryDirectory() as compile_dir:
# Generate PC list
if args.use_pc_list:
pc_list_path = \
os.path.join(pc_list_dir, out_base_name + '.pc_list')
os.makedirs(pc_list_dir, exist_ok=True)
print('\tGenerating PC list…')
generate_pc_list(obj_path, pc_list_path)
dwarf_assembly_args += ['--pc-list', pc_list_path]
# Generate the C source file # Generate the C source file
print("\tGenerating C…") print("\tGenerating C…")
c_path = os.path.join(compile_dir, (out_base_name + '.c')) c_path = os.path.join(compile_dir, (out_base_name + '.c'))
@ -126,6 +137,10 @@ def process_args():
parser.add_argument('--remote', metavar='ssh_args', parser.add_argument('--remote', metavar='ssh_args',
help=("Execute the heavyweight commands on the remote " help=("Execute the heavyweight commands on the remote "
"machine, using `ssh ssh_args`.")) "machine, using `ssh ssh_args`."))
parser.add_argument('--use-pc-list', action='store_true',
help=("Generate a PC list using `extract_pc.py` for "
"each processed ELF file, and call "
"dwarf-assembly accordingly."))
switch_generation_policy = \ switch_generation_policy = \
parser.add_mutually_exclusive_group(required=True) parser.add_mutually_exclusive_group(required=True)