_usymaddr uaddr(uintptr_t address)
uaddr will prints the symbol for a specified address, including hexadecimal offset. This allows for the same symbol resolution that ustack provides.
# dtrace -c date -n 'pid$target::main:entry{ uaddr(0x8062578); }'
dtrace: description 'pid$target::main:entry' matched 1 probe
Sun Feb 3 20:58:03 PST 2008
dtrace: pid 105537 has exited
CPU ID FUNCTION:NAME
0 59934 main:entry date`clock_val In the above example, a call to uaddr(0x8062578) causes date`clock_val to be printed.
The example below shows the hexadecimal offsets being printed.
demo$ sudo dtrace -n "pid\$target::main:{uaddr(uregs[R_PC])}" -c
date
dtrace: description 'pid$target::main:' matched 203 probes
Saturday, June 9, 2012 07:06:39 AM IST
CPU ID FUNCTION:NAME
0 67146 main:entry date`main
0 67147 main:0 date`main
0 67148 main:1 date`main+0x1
0 67149 main:3 date`main+0x3
0 67151 main:4 date`main+0x4
0 67152 main:5 date`main+0x5
0 67153 main:6 date`main+0x6
0 67154 main:9 date`main+0x9
0 67155 main:c date`main+0xc
0 67156 main:f date`main+0xf
0 67157 main:14 date`main+0x14
0 67158 main:16 date`main+0x16
0 67159 main:18 date`main+0x18
0 67160 main:1a date`main+0x1a
0 67161 main:1f date`main+0x1f
0 67162 main:22 date`main+0x22
0 67163 main:27 date`main+0x27
0 67164 main:2c date`main+0x2c
0 67165 main:2f date`main+0x2f
0 67166 main:34 date`main+0x34
0 67167 main:37 date`main+0x37
0 67168 main:3a date`main+0x3a
0 67169 main:3b date`main+0x3b
0 67170 main:40 date`main+0x40
0 67171 main:43 date`main+0x43
0 67172 main:46 date`main+0x46
0 67210 main:bb date`main+0xbb
0 67211 main:be date`main+0xbe
0 67212 main:c4 date`main+0xc4
0 67213 main:c6 date`main+0xc6
0 67214 main:c9 date`main+0xc9
0 67215 main:cc date`main+0xcc
0 67216 main:cf date`main+0xcf
0 67217 main:d6 date`main+0xd6
0 67221 main:dd date`main+0xdd
0 67222 main:df date`main+0xdf
0 67223 main:e5 date`main+0xe5
0 67224 main:e8 date`main+0xe8
0 67225 main:ed date`main+0xed
0 67226 main:ee date`main+0xee
0 67227 main:f0 date`main+0xf0
0 67228 main:f5 date`main+0xf5
0 67229 main:f8 date`main+0xf8
0 67230 main:fd date`main+0xfd
0 67231 main:102 date`main+0x102
0 67232 main:104 date`main+0x104
0 67233 main:10a date`main+0x10a
0 67234 main:10e date`main+0x10e
0 67258 main:156 date`main+0x156
0 67259 main:159 date`main+0x159
0 67260 main:15b date`main+0x15b
0 67261 main:160 date`main+0x160
0 67262 main:163 date`main+0x163
0 67263 main:165 date`main+0x165
0 67264 main:16c date`main+0x16c
0 67265 main:16e date`main+0x16e
0 67266 main:171 date`main+0x171
0 67267 main:176 date`main+0x176
0 67268 main:17b date`main+0x17b
0 67269 main:17e date`main+0x17e
0 67270 main:180 date`main+0x180
0 67281 main:1a9 date`main+0x1a9
0 67282 main:1ac date`main+0x1ac
0 67283 main:1b1 date`main+0x1b1
0 67284 main:1b2 date`main+0x1b2
0 67285 main:1b7 date`main+0x1b7
0 67286 main:1ba date`main+0x1ba
0 67287 main:1bc date`main+0x1bc
0 67288 main:1bf date`main+0x1bf
0 67289 main:1c0 date`main+0x1c0
0 67290 main:1c1 date`main+0x1c1
0 67291 main:1c6 date`main+0x1c6
0 67292 main:1c9 date`main+0x1c9
0 67293 main:1cc date`main+0x1cc
0 67294 main:1cd date`main+0x1cd
0 67295 main:1d2 date`main+0x1d2
0 67296 main:1d7 date`main+0x1d7
0 67297 main:1dc date`main+0x1dc
0 67298 main:1e1 date`main+0x1e1
0 67299 main:1e4 date`main+0x1e4
0 67300 main:1e9 date`main+0x1e9
0 67301 main:1ee date`main+0x1ee
0 67302 main:1f1 date`main+0x1f1
0 67303 main:1f3 date`main+0x1f3
0 67304 main:1f6 date`main+0x1f6
0 67305 main:1f7 date`main+0x1f7
0 67306 main:1f8 date`main+0x1f8
0 67307 main:1f9 date`main+0x1f9
0 67308 main:1fa date`main+0x1fa
0 2513 main:return date`main+0x1fa
dtrace: pid 2972 has exited