gistfile1.txt

This C++

stacks.h

void look_at_the_stack_here(void);

inline void inlined_different_file(void) {
  look_at_the_stack_here();
}

inline void inlined_separate_decl(void);

stacks_inl.h

inline void inlined_separate_decl(void) {
  look_at_the_stack_here();
}

stacks.cpp

#include "stacks.h"
#include "stacks_inl.h"

void look_at_the_stack_here(void) {
  raise(/* signal */);
}

void simple_call(void) {
  look_at_the_stack_here();
}

inline void inlined_same_file(void) {
  look_at_the_stack_here();
}

inline void inlined_same_file_two(void) {
  simple_call();
}

int main(void) {
  simple_call();
  inlined_same_file();
  inlined_same_file_two();
  inlined_different_file();
  inlined_separate_decl();
  return 0;
}

Produces the DWARF line number program:

.debug_line: line number info for a single cu
Source lines (from CU-DIE at .debug_info offset 0x0000000b):

<pc>        [row,col] NS BB ET PE EB IS= DI= uri: "filepath"
NS new statement, BB new basic block, ET end of text sequence
PE prologue end, EB epilogue begin
IA=val ISA number, DI=val discriminator value
0x00400977  [   6, 0] NS uri: "stacks.h"
0x0040097b  [   7, 0] NS
0x00400980  [   8, 0] NS
0x00400983  [   8, 0] NS ET
0x00400983  [   4, 0] NS uri: "stacks_inl.h"
0x00400987  [   5, 0] NS
0x0040098c  [   6, 0] NS
0x0040098f  [   6, 0] NS ET
0x00400936  [   6, 0] NS uri: "stacks.cpp"
0x0040093a  [   7, 0] NS
0x00400944  [   8, 0] NS
0x00400947  [  10, 0] NS
0x0040094b  [  11, 0] NS
0x00400950  [  12, 0] NS
0x00400953  [  22, 0] NS
0x00400957  [  23, 0] NS
0x0040095c  [  24, 0] NS
0x00400961  [  25, 0] NS
0x00400966  [  26, 0] NS
0x0040096b  [  27, 0] NS
0x00400970  [  28, 0] NS
0x00400975  [  29, 0] NS
0x00400977  [  29, 0] NS ET
0x0040098f  [  14, 0] NS
0x00400993  [  15, 0] NS
0x00400998  [  16, 0] NS
0x0040099b  [  16, 0] NS ET
0x0040099b  [  18, 0] NS
0x0040099f  [  19, 0] NS
0x004009a4  [  20, 0] NS
0x004009a7  [  20, 0] NS ET