Toolchain/binutils-gdb
1
0
Fork 0
forked from Imagelibrary/binutils-gdb
Code Pull Requests Activity

sim: nltvals: unify common syscall tables

Browse Source 
Since libgloss provides a default syscall table for arches, use that
to provide the default syscall table for ports.  Only the exceptions
need to be enumerated now with the common logic as the default.
This commit is contained in:
Mike Frysinger
2021-04-25 18:11:35 -04:00
parent 66d055c754
commit bd0918c910
29 changed files with 117 additions and 508 deletions
Download Patch File Download Diff File Expand all files Collapse all files

49
sim/common/gennltvals.py
View File

@@ -37,12 +37,13 @@ from typing import Iterable, List, TextIO
PROG = Path(__file__).name
# Unfortunately, each newlib/libgloss port has seen fit to define their own
# Unfortunately, many newlib/libgloss ports have seen fit to define their own
# syscall.h file. This means that system call numbers can vary for each port.
# Support for all this crud is kept here, rather than trying to get too fancy.
# If you want to try to improve this, please do, but don't break anything.
# Note that there is a standard syscall.h file (libgloss/syscall.h) now which
# hopefully more targets can use.
#
# If a target isn't listed here, it gets the standard syscall.h file (see
# libgloss/syscall.h) which hopefully new targets will use.
#
# NB: New ports should use libgloss, not newlib.
TARGET_DIRS = {
@@ -54,32 +55,7 @@ TARGET_DIRS = {
'sh': 'newlib/libc/sys/sh/sys',
'v850': 'libgloss/v850/sys',
}
TARGETS = {
'bfin',
'cr16',
'd10v',
'fr30',
'frv',
'i960',
'iq2000',
'lm32',
'm32c',
'm32r',
'mcore',
'mn10200',
'mn10300',
'moxie',
'msp430',
'pru',
'riscv',
'rx',
'sh',
'sparc',
'v850',
}
# Make sure TARGET_DIRS doesn't gain any typos.
assert not set(TARGET_DIRS) - TARGETS
# The header for the generated def file.
FILE_HEADER = f"""\
@@ -103,11 +79,9 @@ def gentvals(output: TextIO, cpp: str, srctype: str, srcdir: Path,
fullpath = srcdir / header
assert fullpath.exists(), f'{fullpath} does not exist'
if target is None:
print(f'#ifdef {srctype}_defs', file=output)
else:
if target is not None:
print(f'#ifdef NL_TARGET_{target}', file=output)
print(f'#ifdef {srctype}_defs', file=output)
print(f'#ifdef {srctype}_defs', file=output)
print('\n'.join(f'/* from {x} */' for x in headers), file=output)
@@ -137,13 +111,13 @@ def gentvals(output: TextIO, cpp: str, srctype: str, srcdir: Path,
if line.startswith('DEFVAL '):
print(line[6:].rstrip(), file=output)
print(f'#undef {srctype}_defs', file=output)
if target is None:
print(f'/* end {srctype} target macros */', file=output)
print('#endif', file=output)
else:
print(f'/* end {target} {srctype} target macros */', file=output)
print('#endif', file=output)
print('#endif', file=output)
print('#endif', file=output)
def gen_common(output: TextIO, newlib: Path, cpp: str):
@@ -163,11 +137,14 @@ def gen_common(output: TextIO, newlib: Path, cpp: str):
def gen_targets(output: TextIO, newlib: Path, cpp: str):
"""Generate the target-specific lists."""
for target in sorted(TARGETS):
subdir = TARGET_DIRS.get(target, 'libgloss')
for target, subdir in sorted(TARGET_DIRS.items()):
gentvals(output, cpp, 'sys', newlib / subdir, ('syscall.h',),
r'SYS_[_a-zA-Z0-9]*', target=target)
# Then output the common syscall targets.
gentvals(output, cpp, 'sys', newlib / 'libgloss', ('syscall.h',),
r'SYS_[_a-zA-Z0-9]*')
def gen(output: TextIO, newlib: Path, cpp: str):
"""Generate all the things!"""