Add missing sysinfo() implementation (already declared in <sys/sysinfo.h>)

Change-Id: Ie9168238c3a8e77daab4f39939756d4c53d8af37

libc/SYSCALLS.TXT

@@ -244,6 +244,7 @@ int     __syslog:syslog(int, char *, int)  103
 int     init_module(void *, unsigned long, const char *)  128
 int     delete_module(const char*, unsigned int)   129
 int     klogctl:syslog(int, char *, int)   103
+int     sysinfo(struct sysinfo *)  116
 
 # futex
 int	futex(void *, int, int, void *, void *, int) 240

libc/arch-arm/syscalls.mk

@@ -161,6 +161,7 @@ syscall_src += arch-arm/syscalls/__syslog.S
 syscall_src += arch-arm/syscalls/init_module.S
 syscall_src += arch-arm/syscalls/delete_module.S
 syscall_src += arch-arm/syscalls/klogctl.S
+syscall_src += arch-arm/syscalls/sysinfo.S
 syscall_src += arch-arm/syscalls/futex.S
 syscall_src += arch-arm/syscalls/epoll_create.S
 syscall_src += arch-arm/syscalls/epoll_ctl.S

libc/arch-arm/syscalls/sysinfo.S

@@ -0,0 +1,19 @@
+/* autogenerated by gensyscalls.py */
+#include <sys/linux-syscalls.h>
+
+    .text
+    .type sysinfo, #function
+    .globl sysinfo
+    .align 4
+    .fnstart
+
+sysinfo:
+    .save   {r4, r7}
+    stmfd   sp!, {r4, r7}
+    ldr     r7, =__NR_sysinfo
+    swi     #0
+    ldmfd   sp!, {r4, r7}
+    movs    r0, r0
+    bxpl    lr
+    b       __set_syscall_errno
+    .fnend

libc/arch-sh/syscalls.mk

@@ -150,6 +150,7 @@ syscall_src += arch-sh/syscalls/__syslog.S
 syscall_src += arch-sh/syscalls/init_module.S
 syscall_src += arch-sh/syscalls/delete_module.S
 syscall_src += arch-sh/syscalls/klogctl.S
+syscall_src += arch-sh/syscalls/sysinfo.S
 syscall_src += arch-sh/syscalls/futex.S
 syscall_src += arch-sh/syscalls/epoll_create.S
 syscall_src += arch-sh/syscalls/epoll_ctl.S

libc/arch-sh/syscalls/sysinfo.S

@@ -0,0 +1,32 @@
+/* autogenerated by gensyscalls.py */
+#include <sys/linux-syscalls.h>
+
+    .text
+    .type sysinfo, @function
+    .globl sysinfo
+    .align 4
+
+sysinfo:
+
+    /* invoke trap */
+    mov.l   0f, r3  /* trap num */
+    trapa   #(1 + 0x10)
+
+    /* check return value */
+    cmp/pz  r0
+    bt      __NR_sysinfo_end
+
+    /* keep error number */
+    sts.l   pr, @-r15
+    mov.l   1f, r1
+    jsr     @r1
+    mov     r0, r4
+    lds.l   @r15+, pr
+
+__NR_sysinfo_end:
+    rts
+    nop
+
+    .align  2
+0:  .long   __NR_sysinfo
+1:  .long   __set_syscall_errno

libc/arch-x86/syscalls.mk

@@ -164,6 +164,7 @@ syscall_src += arch-x86/syscalls/__syslog.S
 syscall_src += arch-x86/syscalls/init_module.S
 syscall_src += arch-x86/syscalls/delete_module.S
 syscall_src += arch-x86/syscalls/klogctl.S
+syscall_src += arch-x86/syscalls/sysinfo.S
 syscall_src += arch-x86/syscalls/futex.S
 syscall_src += arch-x86/syscalls/epoll_create.S
 syscall_src += arch-x86/syscalls/epoll_ctl.S

libc/arch-x86/syscalls/sysinfo.S

@@ -0,0 +1,23 @@
+/* autogenerated by gensyscalls.py */
+#include <sys/linux-syscalls.h>
+
+    .text
+    .type sysinfo, @function
+    .globl sysinfo
+    .align 4
+
+sysinfo:
+    pushl   %ebx
+    mov     8(%esp), %ebx
+    movl    $__NR_sysinfo, %eax
+    int     $0x80
+    cmpl    $-129, %eax
+    jb      1f
+    negl    %eax
+    pushl   %eax
+    call    __set_errno
+    addl    $4, %esp
+    orl     $-1, %eax
+1:
+    popl    %ebx
+    ret

libc/docs/CHANGES.TXT

@@ -7,6 +7,9 @@ Differences between current and Android 2.2:
 
 - <math.h>: Added sincos() and sincosf() (GLibc compatibility).
 
+- <sys/sysinfo.h>: Added missing sysinfo() system call implementation
+  (the function was already declared in the header though).
+
 -------------------------------------------------------------------------------
 Differences between Android 2.2. and Android 2.1:
 

libc/include/sys/linux-syscalls.h

@@ -126,6 +126,7 @@
 #define __NR_init_module                  (__NR_SYSCALL_BASE + 128)
 #define __NR_delete_module                (__NR_SYSCALL_BASE + 129)
 #define __NR_syslog                       (__NR_SYSCALL_BASE + 103)
+#define __NR_sysinfo                      (__NR_SYSCALL_BASE + 116)
 #define __NR_futex                        (__NR_SYSCALL_BASE + 240)
 #define __NR_poll                         (__NR_SYSCALL_BASE + 168)
 

libc/include/sys/linux-unistd.h

@@ -192,6 +192,7 @@ int              __syslog (int, char *, int);
 int              init_module (void *, unsigned long, const char *);
 int              delete_module (const char*, unsigned int);
 int              klogctl (int, char *, int);
+int              sysinfo (struct sysinfo *);
 int              futex (void *, int, int, void *, void *, int);
 int              epoll_create (int size);
 int              epoll_ctl (int epfd, int op, int fd, struct epoll_event *event);