ref: 3f87ffea44150d233b11a38b1ca3673207fe206e
dir: /sys/man/2/getcallerpc/
.TH GETCALLERPC 2 .SH NAME getcallerpc \- fetch return PC of current function .SH SYNOPSIS .br .B #include <u.h> .br .B #include <libc.h> .PP .B uintptr getcallerpc(void *firstarg) .SH DESCRIPTION .I Getcallerpc is a portable way to discover the PC to which the current function will return. .I Firstarg should be a pointer to the first argument to the function in question. .SH EXAMPLE .IP .EX void printpc(int arg) { print("Called from %p\en", getcallerpc(&arg)); } void main(int argc, char *argv[]) { printpc(0); printpc(0); printpc(0); } .EE .SH SOURCE .B /sys/src/libc/$objtype/getcallerpc.[cs] .SH BUGS The .I firstarg parameter should not be necessary.