b6cbf7203b
This patch imports the unmodified current version of NetBSD libc. The NetBSD includes are in /nbsd_include, while the libc code itself is split between lib/nbsd_libc and common/lib/libc.
61 lines
1.4 KiB
ArmAsm
61 lines
1.4 KiB
ArmAsm
/* $NetBSD: ptrace.S,v 1.6 2011/01/16 02:43:10 matt Exp $ */
|
|
|
|
#include "SYS.h"
|
|
#include "assym.h"
|
|
|
|
#if defined(LIBC_SCCS) && !defined(lint)
|
|
__RCSID("$NetBSD: ptrace.S,v 1.6 2011/01/16 02:43:10 matt Exp $")
|
|
#endif /* LIBC_SCCS && !lint */
|
|
|
|
#define XCALLFRAMELEN ((((2+5)*SZREG) + CALLFRAMELEN - 1) & -CALLFRAMELEN)
|
|
#define XCALLFRAME_DATA (XCALLFRAMELEN - 1*SZREG)
|
|
#define XCALLFRAME_ADDR (XCALLFRAMELEN - 2*SZREG)
|
|
#define XCALLFRAME_PID (XCALLFRAMELEN - 3*SZREG)
|
|
#define XCALLFRAME_REQUEST (XCALLFRAMELEN - 4*SZREG)
|
|
#define XCALLFRAME_R30 (XCALLFRAMELEN - 5*SZREG)
|
|
|
|
ENTRY(ptrace)
|
|
#ifdef _REENTRANT
|
|
mflr %r0
|
|
stw %r0,CALLFRAME_LR(%r1)
|
|
stwu %r1,-XCALLFRAMELEN(%r1)
|
|
stw %r3,XCALLFRAME_REQUEST(%r1)
|
|
stw %r4,XCALLFRAME_PID(%r1)
|
|
stw %r5,XCALLFRAME_ADDR(%r1)
|
|
stw %r6,XCALLFRAME_DATA(%r1)
|
|
#ifdef PIC
|
|
stw %r30,XCALLFRAME_R30(%r1)
|
|
PIC_TOCSETUP(ptrace, %r30)
|
|
#endif
|
|
|
|
bl PIC_PLT(_C_LABEL(__errno))
|
|
li %r7,0
|
|
stw %r7,0(%r3)
|
|
|
|
#ifdef PIC
|
|
lwz %r30,XCALLFRAME_R30(%r1)
|
|
#endif
|
|
lwz %r6,XCALLFRAME_DATA(%r1)
|
|
lwz %r4,XCALLFRAME_PID(%r1)
|
|
lwz %r5,XCALLFRAME_ADDR(%r1)
|
|
lwz %r3,XCALLFRAME_REQUEST(%r1)
|
|
addi %r1,%r1,XCALLFRAMELEN
|
|
lwz %r0,CALLFRAME_LR(%r1)
|
|
mtlr %r0
|
|
#else
|
|
#ifdef PIC
|
|
mflr %r0
|
|
PIC_GOTSETUP(%r7)
|
|
lwz %r7,_C_LABEL(errno)@got(%r7)
|
|
li %r8,0
|
|
stw %r8,0(%r7)
|
|
mtlr 0
|
|
#else
|
|
lis %r7,_C_LABEL(errno)@ha
|
|
li %r8,0
|
|
stw %r8,_C_LABEL(errno)@l(%r7)
|
|
#endif /* PIC */
|
|
#endif /* _REENTRANT */
|
|
_DOSYSCALL(ptrace)
|
|
bnslr
|
|
b _C_LABEL(__cerror)
|