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Add lp32 and lp64 shorthands to SYSCALLS.TXT. 

Bug: N/A
Test: updating the generated stubs is a no-op
Change-Id: I7f6f9bcfd8c054f0a2d7e5f488eacb88cefb8d15
This commit is contained in:
Elliott Hughes 2018-11-09 13:55:21 -08:00
parent b9de32f6f0
commit 8251d4419f
2 changed files with 46 additions and 38 deletions
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76
libc/SYSCALLS.TXT
View File

@ -5,7 +5,7 @@
# return_type func_name[|alias_list][:syscall_name[:socketcall_id]]([parameter_list]) arch_list
#
# where:
# arch_list ::= "all" | arch+
# arch_list ::= "all" | "lp32" | "lp64" | arch+
# arch ::= "arm" | "arm64" | "mips" | "mips64" | "x86" | "x86_64"
#
# Note:
@ -68,11 +68,11 @@ int setpriority(int, id_t, int) all
# On 32-bit systems we use prlimit64 to implement the rlimit64 functions.
int getrlimit:ugetrlimit(int, struct rlimit*) arm,x86
int getrlimit(int, struct rlimit*) mips
int getrlimit|getrlimit64(int, struct rlimit*) arm64,mips64,x86_64
int setrlimit(int, const struct rlimit*) arm,mips,x86
int setrlimit|setrlimit64(int, const struct rlimit*) arm64,mips64,x86_64
int prlimit64|prlimit(pid_t, int, struct rlimit64*, const struct rlimit64*) arm64,mips64,x86_64
int prlimit64(pid_t, int, struct rlimit64*, const struct rlimit64*) arm,mips,x86
int getrlimit|getrlimit64(int, struct rlimit*) lp64
int setrlimit(int, const struct rlimit*) lp32
int setrlimit|setrlimit64(int, const struct rlimit*) lp64
int prlimit64|prlimit(pid_t, int, struct rlimit64*, const struct rlimit64*) lp64
int prlimit64(pid_t, int, struct rlimit64*, const struct rlimit64*) lp32
int setgroups:setgroups32(int, const gid_t*) arm,x86
int setgroups:setgroups(int, const gid_t*) arm64,mips,mips64,x86_64
@ -90,19 +90,19 @@ int acct(const char* filepath) all
# file descriptors
ssize_t read(int, void*, size_t) all
ssize_t write(int, const void*, size_t) all
ssize_t pread64(int, void*, size_t, off64_t) arm,mips,x86
ssize_t pread64|pread(int, void*, size_t, off_t) arm64,mips64,x86_64
ssize_t pwrite64(int, void*, size_t, off64_t) arm,mips,x86
ssize_t pwrite64|pwrite(int, void*, size_t, off_t) arm64,mips64,x86_64
ssize_t pread64(int, void*, size_t, off64_t) lp32
ssize_t pread64|pread(int, void*, size_t, off_t) lp64
ssize_t pwrite64(int, void*, size_t, off64_t) lp32
ssize_t pwrite64|pwrite(int, void*, size_t, off_t) lp64
# On LP32, preadv/pwritev don't use off64_t --- they use pairs of 32-bit
# arguments to avoid problems on architectures like ARM where 64-bit arguments
# must be in a register pair starting with an even-numbered register.
# See linux/fs/read_write.c and https://lwn.net/Articles/311630/.
ssize_t __preadv64:preadv(int, const struct iovec*, int, long, long) arm,mips,x86
ssize_t preadv|preadv64(int, const struct iovec*, int, off_t) arm64,mips64,x86_64
ssize_t __pwritev64:pwritev(int, const struct iovec*, int, long, long) arm,mips,x86
ssize_t pwritev|pwritev64(int, const struct iovec*, int, off_t) arm64,mips64,x86_64
ssize_t __preadv64:preadv(int, const struct iovec*, int, long, long) lp32
ssize_t preadv|preadv64(int, const struct iovec*, int, off_t) lp64
ssize_t __pwritev64:pwritev(int, const struct iovec*, int, long, long) lp32
ssize_t pwritev|pwritev64(int, const struct iovec*, int, off_t) lp64
int ___close:close(int) all
pid_t __getpid:getpid() all
@ -119,8 +119,8 @@ int mincore(void* start, size_t length, unsigned char* vec) all
int __ioctl:ioctl(int, int, void*) all
ssize_t readv(int, const struct iovec*, int) all
ssize_t writev(int, const struct iovec*, int) all
int __fcntl64:fcntl64(int, int, void*) arm,mips,x86
int fcntl(int, int, void*) arm64,mips64,x86_64
int __fcntl64:fcntl64(int, int, void*) lp32
int fcntl(int, int, void*) lp64
int flock(int, int) all
int ___fchmod:fchmod(int, mode_t) all
int dup(int) all
@ -143,7 +143,7 @@ int __openat:openat(int, const char*, int, mode_t) all
int ___faccessat:faccessat(int, const char*, int) all
int ___fchmodat:fchmodat(int, const char*, mode_t) all
int fchownat(int, const char*, uid_t, gid_t, int) all
int fstatat64|fstatat:fstatat64(int, const char*, struct stat*, int) arm,mips,x86
int fstatat64|fstatat:fstatat64(int, const char*, struct stat*, int) lp32
int fstatat64|fstatat:newfstatat(int, const char*, struct stat*, int) arm64,x86_64
int linkat(int, const char*, int, const char*, int) all
int mkdirat(int, const char*, mode_t) all
@ -158,23 +158,23 @@ int utimensat(int, const char*, const struct timespec times[2], int) all
# sizeof(off_t) == sizeof(off64_t), so there we emit two symbols that are
# aliases. On 32-bit systems, we have two different system calls.
# That means that every system call in this section should take three lines.
off_t lseek(int, off_t, int) arm,mips,x86
int __llseek:_llseek(int, unsigned long, unsigned long, off64_t*, int) arm,mips,x86
off_t lseek|lseek64(int, off_t, int) arm64,mips64,x86_64
int ftruncate64(int, off64_t) arm,mips,x86
int ftruncate|ftruncate64(int, off_t) arm64,mips64,x86_64
ssize_t sendfile(int out_fd, int in_fd, off_t* offset, size_t count) arm,mips,x86
ssize_t sendfile64(int out_fd, int in_fd, off64_t* offset, size_t count) arm,mips,x86
ssize_t sendfile|sendfile64(int out_fd, int in_fd, off_t* offset, size_t count) arm64,mips64,x86_64
int truncate(const char*, off_t) arm,mips,x86
int truncate64(const char*, off64_t) arm,mips,x86
int truncate|truncate64(const char*, off_t) arm64,mips64,x86_64
off_t lseek(int, off_t, int) lp32
int __llseek:_llseek(int, unsigned long, unsigned long, off64_t*, int) lp32
off_t lseek|lseek64(int, off_t, int) lp64
int ftruncate64(int, off64_t) lp32
int ftruncate|ftruncate64(int, off_t) lp64
ssize_t sendfile(int out_fd, int in_fd, off_t* offset, size_t count) lp32
ssize_t sendfile64(int out_fd, int in_fd, off64_t* offset, size_t count) lp32
ssize_t sendfile|sendfile64(int out_fd, int in_fd, off_t* offset, size_t count) lp64
int truncate(const char*, off_t) lp32
int truncate64(const char*, off64_t) lp32
int truncate|truncate64(const char*, off_t) lp64
# (mmap only gets two lines because we only used the 64-bit variant on 32-bit systems.)
void* __mmap2:mmap2(void*, size_t, int, int, int, long) arm,mips,x86
void* mmap|mmap64(void*, size_t, int, int, int, off_t) arm64,mips64,x86_64
void* __mmap2:mmap2(void*, size_t, int, int, int, long) lp32
void* mmap|mmap64(void*, size_t, int, int, int, off_t) lp64
# (fallocate only gets two lines because there is no 32-bit variant.)
int fallocate64:fallocate(int, int, off64_t, off64_t) arm,mips,x86
int fallocate|fallocate64(int, int, off_t, off_t) arm64,mips64,x86_64
int fallocate64:fallocate(int, int, off64_t, off64_t) lp32
int fallocate|fallocate64(int, int, off_t, off_t) lp64
# posix_fadvise64 is awkward: arm has shuffled arguments,
# the POSIX functions don't set errno, and no architecture has posix_fadvise.
@ -182,12 +182,12 @@ int __arm_fadvise64_64:arm_fadvise64_64(int, int, off64_t, off64_t) arm
int __fadvise64:fadvise64_64(int, off64_t, off64_t, int) x86
int __fadvise64:fadvise64(int, off64_t, off64_t, int) arm64,mips,mips64,x86_64
int __fstatfs64:fstatfs64(int, size_t, struct statfs*) arm,mips,x86
int __fstatfs:fstatfs(int, struct statfs*) arm64,mips64,x86_64
int __statfs64:statfs64(const char*, size_t, struct statfs*) arm,mips,x86
int __statfs:statfs(const char*, struct statfs*) arm64,mips64,x86_64
int __fstatfs64:fstatfs64(int, size_t, struct statfs*) lp32
int __fstatfs:fstatfs(int, struct statfs*) lp64
int __statfs64:statfs64(const char*, size_t, struct statfs*) lp32
int __statfs:statfs(const char*, struct statfs*) lp64
int fstat64|fstat:fstat64(int, struct stat*) arm,mips,x86
int fstat64|fstat:fstat64(int, struct stat*) lp32
int fstat64|fstat:fstat(int, struct stat*) arm64,x86_64
# file system
@ -227,7 +227,7 @@ int adjtimex(struct timex*) all
int clock_adjtime(clockid_t, struct timex*) all
# signals
int __sigaction:sigaction(int, const struct sigaction*, struct sigaction*) arm,mips,x86
int __sigaction:sigaction(int, const struct sigaction*, struct sigaction*) lp32
int __rt_sigaction:rt_sigaction(int, const struct sigaction*, struct sigaction*, size_t) all
int __rt_sigpending:rt_sigpending(sigset64_t*, size_t) all
int __rt_sigprocmask:rt_sigprocmask(int, const sigset64_t*, sigset64_t*, size_t) all

8
libc/tools/gensyscalls.py
View File

@ -489,6 +489,14 @@ class SysCallsTxtParser:
if arch_list == "all":
for arch in all_arches:
t[arch] = True
elif arch_list == "lp32":
for arch in all_arches:
if "64" not in arch:
t[arch] = True
elif arch_list == "lp64":
for arch in all_arches:
if "64" in arch:
t[arch] = True
else:
for arch in string.split(arch_list, ','):
if arch in all_arches: