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Name	Size	Permission
?;dyninst	[ DIR ]	drwxr-xr-x
?;linux	[ DIR ]	drwxr-xr-x
?;transport	[ DIR ]	drwxr-xr-x
?;unwind	[ DIR ]	drwxr-xr-x
addr-map.c	523 B	-rw-r--r--
addr-map.h	723 B	-rw-r--r--
alloc.c	498 B	-rw-r--r--
arith.c	483 B	-rw-r--r--
common_probe_context.h	6.08 KB	-rw-r--r--
common_session_state.h	415 B	-rw-r--r--
compatdefs.h	3.02 KB	-rw-r--r--
copy.c	585 B	-rw-r--r--
debug.h	485 B	-rw-r--r--
io.c	508 B	-rw-r--r--
k_syms.h	182 B	-rw-r--r--
loc2c-runtime.h	8.96 KB	-rw-r--r--
map-gen.c	25.29 KB	-rw-r--r--
map-stat.c	3.38 KB	-rw-r--r--
map.c	14.1 KB	-rw-r--r--
map.h	5.78 KB	-rw-r--r--
mempool.c	2.58 KB	-rw-r--r--
namespaces.h	487 B	-rw-r--r--
pmap-gen.c	8.17 KB	-rw-r--r--
print.c	486 B	-rw-r--r--
print.h	680 B	-rw-r--r--
print_flush.c	4.29 KB	-rw-r--r--
probe_lock.h	498 B	-rw-r--r--
proc_fs_compatibility.h	2.22 KB	-rw-r--r--
procfs-probes.c	4.21 KB	-rw-r--r--
procfs-probes.h	674 B	-rw-r--r--
procfs.c	7.3 KB	-rw-r--r--
ptrace_compatibility.h	1.48 KB	-rw-r--r--
regs.c	4.18 KB	-rw-r--r--
regs.h	2.12 KB	-rw-r--r--
runtime.h	928 B	-rw-r--r--
runtime_context.h	669 B	-rw-r--r--
runtime_defines.h	3.5 KB	-rw-r--r--
stack-arm.c	1.65 KB	-rw-r--r--
stack-ia64.c	1.06 KB	-rw-r--r--
stack-mips.c	125 B	-rw-r--r--
stack-s390.c	2.25 KB	-rw-r--r--
stack.c	18.79 KB	-rw-r--r--
stat-common.c	8.29 KB	-rw-r--r--
stat.c	7.25 KB	-rw-r--r--
stat.h	1.92 KB	-rw-r--r--
stp_helper_lock.h	2.98 KB	-rw-r--r--
stp_string.c	8.15 KB	-rw-r--r--
stp_string.h	598 B	-rw-r--r--
stp_task_work.c	2.75 KB	-rw-r--r--
stp_utrace.c	94.13 KB	-rw-r--r--
stp_utrace.h	13.68 KB	-rw-r--r--
sym.c	34.44 KB	-rw-r--r--
sym.h	5.83 KB	-rw-r--r--
syscall.h	15.61 KB	-rw-r--r--
task_finder_vma.c	12.81 KB	-rw-r--r--
time.c	13.31 KB	-rw-r--r--
timer.c	481 B	-rw-r--r--
timer.h	482 B	-rw-r--r--
uidgid_compatibility.h	603 B	-rw-r--r--
unwind.c	46.51 KB	-rw-r--r--
utrace_compatibility.h	3.07 KB	-rw-r--r--
vma.c	8.83 KB	-rw-r--r--
vsprintf.c	22.98 KB	-rw-r--r--
vsprintf.h	1.47 KB	-rw-r--r--

Code Editor : loc2c-runtime.h

/* target operations
 * Copyright (C) 2005-2012 Red Hat Inc.
 * Copyright (C) 2005-2007 Intel Corporation.
 * Copyright (C) 2007 Quentin Barnes.
 *
 * This file is part of systemtap, and is free software.  You can
 * redistribute it and/or modify it under the terms of the GNU General
 * Public License (GPL); either version 2, or (at your option) any
 * later version.
 */

#ifndef _LOC2C_RUNTIME_H_
#define _LOC2C_RUNTIME_H_

/* See also the linux/ and dyninst/ runtime specializations. */

/* These three macro definitions are generic, just shorthands
   used by the generated code.  */

#define op_abs(x)	(x < 0 ? -x : x)

#define fetch_bitfield(target, base, higherbits, nbits)			      \
  target = (((base) >> (sizeof (base) * 8 - (higherbits) - (nbits)))	      \
	    & (((__typeof (base)) 1 << (nbits)) - 1))

#define store_bitfield(target, base, higherbits, nbits)			      \
  target = ((target							      \
	     &~ ((((__typeof (target)) 1 << (nbits)) - 1)		      \
		 << (sizeof (target) * 8 - (higherbits) - (nbits))))	      \
	    | ((((__typeof (target)) (base))				      \
		& (((__typeof (target)) 1 << (nbits)) - 1))		      \
	       << (sizeof (target) * 8 - (higherbits) - (nbits))))

/* dwarf_div_op and dwarf_mod_op do division and modulo operations catching any
   divide by zero issues.  When they detect div_by_zero they "fault"
   by jumping to the (slightly misnamed) deref_fault label.  */
#define dwarf_div_op(a,b) ({							\
    if (b == 0) {							\
	snprintf(c->error_buffer, sizeof(c->error_buffer),		\
		 STAP_MSG_LOC2C_03, "DW_OP_div");			\
	c->last_error = c->error_buffer;				\
	goto deref_fault;						\
    }									\
    a / b;								\
})
#define dwarf_mod_op(a,b) ({							\
    if (b == 0) {							\
	snprintf(c->error_buffer, sizeof(c->error_buffer),		\
		 STAP_MSG_LOC2C_03, "DW_OP_mod");			\
	c->last_error = c->error_buffer;				\
	goto deref_fault;						\
    }									\
    a % b;								\
})

/* Given a DWARF register number, fetch its intptr_t (long) value from the
   probe context, or store a new value into the probe context.

The register number argument is always a canonical decimal number, so it
   can be pasted into an identifier name.  These definitions turn it into a
   per-register macro, defined below for machines with individually-named
   registers.  */
#define pt_regs_fetch_register(pt_regs, regno) \
  ((intptr_t) pt_dwarf_register_##regno (pt_regs))
#define pt_regs_store_register(pt_regs, regno, value) \
  (pt_dwarf_register_##regno (pt_regs) = (value))

#if defined (STAPCONF_X86_UNIREGS) && defined (__i386__)

#define pt_dwarf_register_0(regs)  regs->ax
#define pt_dwarf_register_1(regs)  regs->cx
#define pt_dwarf_register_2(regs)  regs->dx
#define pt_dwarf_register_3(regs)  regs->bx
#define pt_dwarf_register_4(regs)  ((long) &regs->sp)
#define pt_dwarf_register_5(regs)  regs->bp
#define pt_dwarf_register_6(regs)  regs->si
#define pt_dwarf_register_7(regs)  regs->di

#elif defined (STAPCONF_X86_UNIREGS) && defined (__x86_64__)

#define pt_dwarf_register_0(regs)  regs->ax
#define pt_dwarf_register_1(regs)  regs->dx
#define pt_dwarf_register_2(regs)  regs->cx
#define pt_dwarf_register_3(regs)  regs->bx
#define pt_dwarf_register_4(regs)  regs->si
#define pt_dwarf_register_5(regs)  regs->di
#define pt_dwarf_register_6(regs)  regs->bp
#define pt_dwarf_register_7(regs)  regs->sp
#define pt_dwarf_register_8(regs)  regs->r8
#define pt_dwarf_register_9(regs)  regs->r9
#define pt_dwarf_register_10(regs) regs->r10
#define pt_dwarf_register_11(regs) regs->r11
#define pt_dwarf_register_12(regs) regs->r12
#define pt_dwarf_register_13(regs) regs->r13
#define pt_dwarf_register_14(regs) regs->r14
#define pt_dwarf_register_15(regs) regs->r15

#elif defined __i386__

/* The stack pointer is unlike other registers.  When a trap happens in
   kernel mode, it is not saved in the trap frame (struct pt_regs).
   The `esp' (and `xss') fields are valid only for a user-mode trap.
   For a kernel mode trap, the interrupted state's esp is actually an
   address inside where the `struct pt_regs' on the kernel trap stack points. */

#define pt_dwarf_register_0(regs)	regs->eax
#define pt_dwarf_register_1(regs)	regs->ecx
#define pt_dwarf_register_2(regs)	regs->edx
#define pt_dwarf_register_3(regs)	regs->ebx
#define pt_dwarf_register_4(regs)	(user_mode(regs) ? regs->esp : (long)&regs->esp)
#define pt_dwarf_register_5(regs)	regs->ebp
#define pt_dwarf_register_6(regs)	regs->esi
#define pt_dwarf_register_7(regs)	regs->edi

#elif defined __ia64__

#undef pt_regs_fetch_register
#undef pt_regs_store_register

#define pt_regs_fetch_register(pt_regs,regno)	\
  ia64_fetch_register(regno, pt_regs, &c->unwaddr)
#define pt_regs_store_register(pt_regs,regno,value) \
  ia64_store_register(regno, pt_regs, value)

#elif defined __x86_64__

#define pt_dwarf_register_0(regs)	regs->rax
#define pt_dwarf_register_1(regs)	regs->rdx
#define pt_dwarf_register_2(regs)	regs->rcx
#define pt_dwarf_register_3(regs)	regs->rbx
#define pt_dwarf_register_4(regs)	regs->rsi
#define pt_dwarf_register_5(regs)	regs->rdi
#define pt_dwarf_register_6(regs)	regs->rbp
#define pt_dwarf_register_7(regs)	regs->rsp
#define pt_dwarf_register_8(regs)	regs->r8
#define pt_dwarf_register_9(regs)	regs->r9
#define pt_dwarf_register_10(regs)	regs->r10
#define pt_dwarf_register_11(regs)	regs->r11
#define pt_dwarf_register_12(regs)	regs->r12
#define pt_dwarf_register_13(regs)	regs->r13
#define pt_dwarf_register_14(regs)	regs->r14
#define pt_dwarf_register_15(regs)	regs->r15

#elif defined __powerpc__

#undef pt_regs_fetch_register
#undef pt_regs_store_register
#define pt_regs_fetch_register(pt_regs,regno) \
  ((intptr_t) pt_regs->gpr[regno])
#define pt_regs_store_register(pt_regs,regno,value) \
  (pt_regs->gpr[regno] = (value))

#elif defined __mips__

#undef pt_regs_fetch_register
#undef pt_regs_store_register
#define pt_regs_fetch_register(pt_regs,regno) \
  ((intptr_t) pt_regs->regs[regno])
#define pt_regs_store_register(pt_regs,regno,value) \
  (pt_regs->regs[regno] = (value))

#elif defined (__aarch64__)

#define pt_dwarf_register_0(pt_regs)	pt_regs->regs[0]
#define pt_dwarf_register_1(pt_regs)	pt_regs->regs[1]
#define pt_dwarf_register_2(pt_regs)	pt_regs->regs[2]
#define pt_dwarf_register_3(pt_regs)	pt_regs->regs[3]
#define pt_dwarf_register_4(pt_regs)	pt_regs->regs[4]
#define pt_dwarf_register_5(pt_regs)	pt_regs->regs[5]
#define pt_dwarf_register_6(pt_regs)	pt_regs->regs[6]
#define pt_dwarf_register_7(pt_regs)	pt_regs->regs[7]
#define pt_dwarf_register_8(pt_regs)	pt_regs->regs[8]
#define pt_dwarf_register_9(pt_regs)	pt_regs->regs[9]

#define pt_dwarf_register_10(pt_regs)	pt_regs->regs[10]
#define pt_dwarf_register_11(pt_regs)	pt_regs->regs[11]
#define pt_dwarf_register_12(pt_regs)	pt_regs->regs[12]
#define pt_dwarf_register_13(pt_regs)	pt_regs->regs[13]
#define pt_dwarf_register_14(pt_regs)	pt_regs->regs[14]
#define pt_dwarf_register_15(pt_regs)	pt_regs->regs[15]
#define pt_dwarf_register_16(pt_regs)	pt_regs->regs[16]
#define pt_dwarf_register_17(pt_regs)	pt_regs->regs[17]
#define pt_dwarf_register_18(pt_regs)	pt_regs->regs[18]
#define pt_dwarf_register_19(pt_regs)	pt_regs->regs[19]

#define pt_dwarf_register_20(pt_regs)	pt_regs->regs[20]
#define pt_dwarf_register_21(pt_regs)	pt_regs->regs[21]
#define pt_dwarf_register_22(pt_regs)	pt_regs->regs[22]
#define pt_dwarf_register_23(pt_regs)	pt_regs->regs[23]
#define pt_dwarf_register_24(pt_regs)	pt_regs->regs[24]
#define pt_dwarf_register_25(pt_regs)	pt_regs->regs[25]
#define pt_dwarf_register_26(pt_regs)	pt_regs->regs[26]
#define pt_dwarf_register_27(pt_regs)	pt_regs->regs[27]
#define pt_dwarf_register_28(pt_regs)	pt_regs->regs[28]
#define pt_dwarf_register_29(pt_regs)	pt_regs->regs[29]

#define pt_dwarf_register_30(pt_regs)	pt_regs->regs[30]
#define pt_dwarf_register_31(pt_regs)	pt_regs->sp

#elif defined (__arm__)

#undef pt_regs_fetch_register
#undef pt_regs_store_register
#define pt_regs_fetch_register(pt_regs,regno) \
  ((long) pt_regs->uregs[regno])
#define pt_regs_store_register(pt_regs,regno,value) \
  (pt_regs->uregs[regno] = (value))

#elif defined (__s390__) || defined (__s390x__)

#undef pt_regs_fetch_register
#undef pt_regs_store_register
#define pt_regs_fetch_register(pt_regs,regno) \
  ((intptr_t) pt_regs->gprs[regno])
#define pt_regs_store_register(pt_regs,regno,value) \
  (pt_regs->gprs[regno] = (value))

#endif

#if STP_SKIP_BADVARS
#define DEREF_FAULT(addr) ({0; })
#define STORE_DEREF_FAULT(addr) ({0; })
#define CATCH_DEREF_FAULT() ({0; })
#else
#define DEREF_FAULT(addr) ({						    \
    snprintf(c->error_buffer, sizeof(c->error_buffer),			    \
	     STAP_MSG_LOC2C_01, (long)(intptr_t)(addr));		    \
    c->last_error = c->error_buffer;					    \
    goto deref_fault;							    \
    })

#define STORE_DEREF_FAULT(addr) ({					    \
    snprintf(c->error_buffer, sizeof(c->error_buffer),			    \
	     STAP_MSG_LOC2C_02, (long)(intptr_t)(addr));		    \
    c->last_error = c->error_buffer;					    \
    goto deref_fault;							    \
    })

#define CATCH_DEREF_FAULT()	({0; }) /* always emitted by translator.cxx for functions & probes */
#endif

#endif /* _LOC2C_RUNTIME_H_ */

${this.title}

Code Editor : loc2c-runtime.h