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Add an optional alias list to SYSCALLS.TXT

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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>
This commit is contained in:
H.J. Lu
2013-10-04 10:03:17 -07:00
committed by Pavel Chupin
parent a6e9ae80e5
commit 6fe4e87954
4 changed files with 32 additions and 5 deletions
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14
libc/tools/bionic_utils.py
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@@ -49,7 +49,7 @@ class SysCallsTxtParser:
""" 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 @@ class SysCallsTxtParser:
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 @@ class SysCallsTxtParser:
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