FM / dyninst

/usr/share/systemtap/runtime/dyninst

Name	Size	Mode	Actions
addr-map.c	565	0644	edit dl rm
alloc.c	1188	0644	edit dl rm
arith.c	2291	0644	edit dl rm
common_session_state.h	6921	0644	edit dl rm
copy.c	4095	0644	edit dl rm
debug.h	413	0644	edit dl rm
ilog2.h	2943	0644	edit dl rm
io.c	4541	0644	edit dl rm
linux_defs.h	5602	0644	edit dl rm
linux_hash.h	1877	0644	edit dl rm
linux_types.h	654	0644	edit dl rm
loc2c-runtime.h	2494	0644	edit dl rm
map_list.h	1059	0644	edit dl rm
map_runtime.h	5160	0644	edit dl rm
namespaces.h	0	0644	edit dl rm
offptr.h	4788	0644	edit dl rm
offset_list.h	4428	0644	edit dl rm
perf.c	0	0644	edit dl rm
print.c	2700	0644	edit dl rm
probe_lock.h	1849	0644	edit dl rm
regs.c	2557	0644	edit dl rm
runtime.h	10292	0644	edit dl rm
runtime_context.h	6556	0644	edit dl rm
runtime_defines.h	280	0644	edit dl rm
session_attributes.c	1717	0644	edit dl rm
session_attributes.h	772	0644	edit dl rm
shm.c	6171	0644	edit dl rm
stapdyn.h	4617	0644	edit dl rm
stat_runtime.h	1832	0644	edit dl rm
sym.c	1621	0644	edit dl rm
task_finder.c	0	0644	edit dl rm
timer.c	2770	0644	edit dl rm
transport.c	31128	0644	edit dl rm
transport.h	3968	0644	edit dl rm
unwind.c	0	0644	edit dl rm
uprobes-regs.c	3163	0644	edit dl rm
uprobes.c	1798	0644	edit dl rm
uprobes.h	953	0644	edit dl rm

Edit: /usr/share/systemtap/runtime/dyninst/loc2c-runtime.h (2494B)

/* target operations in the Dyninst mode
 * Copyright (C) 2012, 2016 Red Hat Inc.
 *
 * 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 _STAPDYN_LOC2C_RUNTIME_H_
#define _STAPDYN_LOC2C_RUNTIME_H_

#include "../loc2c-runtime.h"

#define __get_user_asm(x, addr, err, itype, rtype, ltype, errret)	\
        (err) = __get_user((x), (typeof(x)*)(uintptr_t)(addr))

#define __put_user_asm(x, addr, err, itype, rtype, ltype, errret)	\
        (err) = __put_user((x), (typeof(x)*)(uintptr_t)(addr))

#define u_fetch_register(regno) \
  pt_regs_fetch_register(c->uregs, regno)
#define u_store_register(regno, value) \
  pt_regs_store_register(c->uregs, regno, value)

#if defined(__i386__)
// The kernel's way of getting esp doesn't work as an lvalue
#undef pt_dwarf_register_4
#define pt_dwarf_register_4(regs)	regs->esp
#endif

#define _stp_deref_nofault(value, size, addr, seg)			\
    __copy_from_user((void *)&(value), (void *)(addr), (size_t)(size))

#define uread(ptr) ({ \
	typeof(*(ptr)) _v = 0; \
	if (__copy_from_user((void *)&_v, (void *)(ptr), sizeof(*(ptr)))) \
	    DEREF_FAULT(ptr); \
	_v; \
    })

#define uwrite(ptr, value) ({ \
	typeof(*(ptr)) _v; \
	_v = (typeof(*(ptr)))(value); \
	if (__copy_to_user((void *)(ptr), (void *)&_v, sizeof(*(ptr)))) \
	    STORE_DEREF_FAULT(ptr); \
    })

#define uderef(size, addr) ({ \
    intptr_t _i = 0; \
    switch (size) { \
        case 1: _i = uread((u8 *)(uintptr_t)(addr)); break; \
        case 2: _i = uread((u16 *)(uintptr_t)(addr)); break;    \
        case 4: _i = uread((u32 *)(uintptr_t)(addr)); break;        \
        case 8: _i = uread((u64 *)(uintptr_t)(addr)); break;            \
	default: __get_user_bad(); \
    } \
    _i; \
  })

#define store_uderef(size, addr, value) ({ \
    switch (size) { \
        case 1: uwrite((u8 *)(uintptr_t)(addr), (value)); break;    \
        case 2: uwrite((u16 *)(uintptr_t)(addr), (value)); break;   \
        case 4: uwrite((u32 *)(uintptr_t)(addr), (value)); break;   \
        case 8: uwrite((u64 *)(uintptr_t)(addr), (value)); break;   \
	default: __put_user_bad(); \
    } \
  })

/* We still need to clean the runtime more before these can go away... */
#define kread uread
#define kwrite uwrite
#define kderef uderef
#define store_kderef store_uderef

#endif /* _STAPDYN_LOC2C_RUNTIME_H_ */

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