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am 3b49d61a: Merge "libc: arch-x86: implement kernel vdso time functions"

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* commit '3b49d61ac2f7a02d5e7f25a24836b060f922f079':
  libc: arch-x86: implement kernel vdso time functions
This commit is contained in:
Elliott Hughes 2015-07-23 02:06:55 +00:00 committed by Android Git Automerger
commit da24f8af38
4 changed files with 10 additions and 11 deletions
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8
libc/SYSCALLS.TXT
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@ -333,7 +333,7 @@ int __set_tls:set_thread_area(void*) mips,mips64
int __set_thread_area:set_thread_area(void*) x86
# vdso stuff.
int clock_gettime(clockid_t, timespec*) arm,mips,mips64,x86
int __clock_gettime:clock_gettime(clockid_t, timespec*) arm64,x86_64
int gettimeofday(timeval*, timezone*) arm,mips,mips64,x86
int __gettimeofday:gettimeofday(timeval*, timezone*) arm64,x86_64
int clock_gettime(clockid_t, timespec*) arm,mips,mips64
int __clock_gettime:clock_gettime(clockid_t, timespec*) arm64,x86,x86_64
int gettimeofday(timeval*, timezone*) arm,mips,mips64
int __gettimeofday:gettimeofday(timeval*, timezone*) arm64,x86,x86_64

4
libc/arch-x86/syscalls/clock_gettime.S → libc/arch-x86/syscalls/__clock_gettime.S
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@ -2,7 +2,7 @@
#include <private/bionic_asm.h>
ENTRY(clock_gettime)
ENTRY(__clock_gettime)
pushl %ebx
.cfi_def_cfa_offset 8
.cfi_rel_offset ebx, 0
@ -23,4 +23,4 @@ ENTRY(clock_gettime)
popl %ecx
popl %ebx
ret
END(clock_gettime)
END(__clock_gettime)

4
libc/arch-x86/syscalls/gettimeofday.S → libc/arch-x86/syscalls/__gettimeofday.S
View File

@ -2,7 +2,7 @@
#include <private/bionic_asm.h>
ENTRY(gettimeofday)
ENTRY(__gettimeofday)
pushl %ebx
.cfi_def_cfa_offset 8
.cfi_rel_offset ebx, 0
@ -23,4 +23,4 @@ ENTRY(gettimeofday)
popl %ecx
popl %ebx
ret
END(gettimeofday)
END(__gettimeofday)

5
libc/bionic/vdso.cpp
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@ -19,13 +19,12 @@
#include <sys/auxv.h>
#include <unistd.h>
// x86 has a vdso, but there's nothing useful to us in it.
#if defined(__aarch64__) || defined(__x86_64__)
#if defined(__aarch64__) || defined(__x86_64__) || defined (__i386__)
#if defined(__aarch64__)
#define VDSO_CLOCK_GETTIME_SYMBOL "__kernel_clock_gettime"
#define VDSO_GETTIMEOFDAY_SYMBOL "__kernel_gettimeofday"
#elif defined(__x86_64__)
#elif defined(__x86_64__) || defined(__i386__)
#define VDSO_CLOCK_GETTIME_SYMBOL "__vdso_clock_gettime"
#define VDSO_GETTIMEOFDAY_SYMBOL "__vdso_gettimeofday"
#endif