Add an optional alias list to SYSCALLS.TXT
This patch adds an optional alias list to SYSCALLS.TXT. It is used to
create aliases for a syscall. For x86-64, lseek64 is an alias for lseek.
Change-Id: Icb11fd2bb461ea4f5f0a26bfc585471d7d7cc468
Signed-off-by: H.J. Lu <hjl.tools@gmail.com>
Signed-off-by: Pavel Chupin <pavel.v.chupin@intel.com>
diff --git a/libc/tools/bionic_utils.py b/libc/tools/bionic_utils.py
index a00080d..0ca2178 100644
--- a/libc/tools/bionic_utils.py
+++ b/libc/tools/bionic_utils.py
@@ -49,7 +49,7 @@
""" parse a syscall spec line.
line processing, format is
- return type func_name[:syscall_name[:socketcall_id]] ( [paramlist] ) architecture_list
+ return type func_name[|alias_list][:syscall_name[:socketcall_id]] ( [paramlist] ) architecture_list
"""
pos_lparen = line.find('(')
E = self.E
@@ -93,6 +93,17 @@
socketcall_id = int(syscall_func[pos_colon2+1:])
syscall_func = syscall_func[:pos_colon]
+ alias_delim = syscall_func.find('|')
+ if alias_delim > 0:
+ alias_list = syscall_func[alias_delim+1:].strip()
+ syscall_func = syscall_func[:alias_delim]
+ alias_delim = syscall_name.find('|')
+ if alias_delim > 0:
+ syscall_name = syscall_name[:alias_delim]
+ syscall_aliases = string.split(alias_list, ',')
+ else:
+ syscall_aliases = []
+
if pos_rparen > pos_lparen+1:
syscall_params = line[pos_lparen+1:pos_rparen].split(',')
params = string.join(syscall_params,',')
@@ -103,6 +114,7 @@
t = {
"name" : syscall_name,
"func" : syscall_func,
+ "aliases" : syscall_aliases,
"params" : syscall_params,
"decl" : "%-15s %s (%s);" % (return_type, syscall_func, params),
"socketcall_id" : socketcall_id