| 12345678910111213141516171819202122232425262728293031323334 |
- .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 /$arch/include/u.h
|
