diff options
Diffstat (limited to 'lib/libc/amd64/sys/brk.S')
| -rw-r--r-- | lib/libc/amd64/sys/brk.S | 33 |
1 files changed, 16 insertions, 17 deletions
diff --git a/lib/libc/amd64/sys/brk.S b/lib/libc/amd64/sys/brk.S index c8311bb..1636858 100644 --- a/lib/libc/amd64/sys/brk.S +++ b/lib/libc/amd64/sys/brk.S @@ -33,20 +33,18 @@ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF * SUCH DAMAGE. * - * $Id: brk.S,v 1.1 1994/08/05 01:18:39 wollman Exp $ + * $Id: brk.S,v 1.2 1995/01/23 01:29:39 davidg Exp $ */ #if defined(SYSLIBC_RCS) && !defined(lint) .text - .asciz "$Id$" + .asciz "$Id: brk.S,v 1.2 1995/01/23 01:29:39 davidg Exp $" #endif /* SYSLIBC_RCS and not lint */ #include "SYS.h" -#define SYS_brk 17 - - .globl curbrk - .globl minbrk + .globl HIDENAME(curbrk) + .globl HIDENAME(minbrk) ENTRY(_brk) jmp ok @@ -54,39 +52,40 @@ ENTRY(brk) #ifdef PIC movl 4(%esp),%eax PIC_PROLOGUE - movl PIC_GOT(curbrk),%edx # set up GOT addressing - movl PIC_GOT(minbrk),%ecx # + movl PIC_GOT(HIDENAME(curbrk)),%edx # set up GOT addressing + movl PIC_GOT(HIDENAME(minbrk)),%ecx # cmpl %eax,(%ecx) PIC_EPILOGUE jl ok movl (%ecx),%eax movl %eax,4(%esp) ok: - lea SYS_brk,%eax - LCALL(7,0) + lea SYS_break,%eax + KERNCALL jb err movl 4(%esp),%eax movl %eax,(%edx) movl $0,%eax ret err: - jmp PIC_PLT(cerror) + PIC_PROLOGUE + jmp PIC_PLT(HIDENAME(cerror)) #else movl 4(%esp),%eax - cmpl %eax,minbrk + cmpl %eax,HIDENAME(minbrk) jl ok - movl minbrk,%eax + movl HIDENAME(minbrk),%eax movl %eax,4(%esp) ok: - lea SYS_brk,%eax - LCALL(7,0) + lea SYS_break,%eax + KERNCALL jb err movl 4(%esp),%eax - movl %eax,curbrk + movl %eax,HIDENAME(curbrk) movl $0,%eax ret err: - jmp cerror + jmp HIDENAME(cerror) #endif |
