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authorDave Brolley <brolley@redhat.com>2009-09-14 11:58:49 -0400
committerDave Brolley <brolley@redhat.com>2009-09-14 11:58:49 -0400
commit775c3771bb4a5f663a763d7c65b1571e24e4b212 (patch)
treedf01d695bcf1f0d0e7fac567a4b917bc273a00e3 /runtime/regs.h
parentd2c9ec9b6933fbe36834d7ad52be0994e96eb12c (diff)
parentef0e74fc1131f1d217c78aa839d0de731ea7c940 (diff)
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Merge branch 'master' of ssh://sources.redhat.com/git/systemtap
Diffstat (limited to 'runtime/regs.h')
-rw-r--r--runtime/regs.h20
1 files changed, 14 insertions, 6 deletions
diff --git a/runtime/regs.h b/runtime/regs.h
index d80cdf0a..dc6b50af 100644
--- a/runtime/regs.h
+++ b/runtime/regs.h
@@ -12,53 +12,61 @@
#define _REGS_H_
#if defined (STAPCONF_X86_UNIREGS) && (defined (__x86_64__) || defined (__i386__))
+
#define REG_IP(regs) regs->ip
-#define REG_IP_LVALUE 1
#define REG_SP(regs) regs->sp
#define REG_FP(regs) regs->bp
#elif defined (__x86_64__)
#define REG_IP(regs) regs->rip
-#define REG_IP_LVALUE 1
#define REG_SP(regs) regs->rsp
#elif defined (__i386__)
#define REG_IP(regs) regs->eip
-#define REG_IP_LVALUE 1
#define REG_SP(regs) regs->esp
#define REG_FP(regs) regs->ebp
#elif defined (__ia64__)
+
#define REG_IP(regs) ((regs)->cr_iip +ia64_psr(regs)->ri)
#define REG_SP(regs) ((regs)->r12)
+#define SET_REG_IP(regs, x) \
+ (((regs)->cr_iip = (x) & ~3UL), (ia64_psr(regs)->ri = (x) & 3UL))
+
#elif defined (__powerpc64__)
#define REG_IP(regs) regs->nip
-#define REG_IP_LVALUE 1
#define REG_SP(regs) regs->gpr[1]
#define REG_LINK(regs) regs->link
#elif defined (__arm__)
#define REG_IP(regs) regs->ARM_pc
-#define REG_IP_LVALUE 1
#define REG_SP(regs) regs->ARM_sp
#define REG_LINK(regs) regs->ARM_lr
#elif defined (__s390__) || defined (__s390x__)
+
#ifndef __s390x__
#define PSW_ADDR_AMODE 0x80000000UL
+#define PSW_ADDR_INSN 0x7FFFFFFFUL
#else /* __s390x__ */
#define PSW_ADDR_AMODE 0x0000000000000000UL
+#define PSW_ADDR_INSN 0xFFFFFFFFFFFFFFFFUL
#endif /* __s390x__ */
-#define REG_IP(regs) (((regs)->psw.addr) | PSW_ADDR_AMODE)
+#define REG_IP(regs) (((regs)->psw.addr) & PSW_ADDR_INSN)
#define REG_SP(regs) (regs)->gprs[15]
+#define SET_REG_IP(regs,x) (regs)->psw.addr = (x) | PSW_ADDR_AMODE
#else
#error "Unimplemented architecture"
#endif
+#ifndef SET_REG_IP
+#define SET_REG_IP(regs, x) REG_IP(regs) = x
+#endif
+
#endif /* _REGS_H_ */