added:

lab/prof/
  lab/prof/Makefile
  lab/prof/main
  lab/prof/main.c
  lab/prof/main.s

lab/prof/Makefile

@@ -0,0 +1,6 @@
+
+main: main.c
+	gcc -m64 -O3 -Wall main.c -o main
+
+main.s: main.c
+	gcc -m64 -O3 -Wall -fomit-frame-pointer -fno-PIC -S main.c

lab/prof/main.c

@@ -0,0 +1,14 @@
+#include <stdio.h>
+
+long long foo(long long int x){
+  return x+1;
+}
+
+#include <stdlib.h>
+int main(int argc, char** argv){
+  fprintf(stderr, "sizeof(long long int)=%ld\n", 
+      sizeof(long long int));
+  long long int x = 57;
+  x = foo(x);
+  exit(-1);
+}

lab/prof/main.s

@@ -0,0 +1,77 @@
+	.text
+.globl _foo
+_foo:
+LFB3:
+	leaq	1(%rdi), %rax
+	ret
+LFE3:
+	.cstring
+LC0:
+	.ascii "sizeof(long long int)=%ld\12\0"
+	.text
+.globl _main
+_main:
+LFB20:
+	subq	$8, %rsp
+LCFI0:
+	movl	$8, %edx
+	leaq	LC0(%rip), %rsi
+	movq	___stderrp@GOTPCREL(%rip), %rax
+	movq	(%rax), %rdi
+	xorl	%eax, %eax
+	call	_fprintf
+	movl	$-1, %edi
+	call	_exit
+LFE20:
+	.section __TEXT,__eh_frame,coalesced,no_toc+strip_static_syms+live_support
+EH_frame1:
+	.set L$set$0,LECIE1-LSCIE1
+	.long L$set$0
+LSCIE1:
+	.long	0x0
+	.byte	0x1
+	.ascii "zR\0"
+	.byte	0x1
+	.byte	0x78
+	.byte	0x10
+	.byte	0x1
+	.byte	0x10
+	.byte	0xc
+	.byte	0x7
+	.byte	0x8
+	.byte	0x90
+	.byte	0x1
+	.align 3
+LECIE1:
+	.globl _foo.eh
+_foo.eh:
+LSFDE1:
+	.set L$set$1,LEFDE1-LASFDE1
+	.long L$set$1
+LASFDE1:
+	.long	LASFDE1-EH_frame1
+	.quad	LFB3-.
+	.set L$set$2,LFE3-LFB3
+	.quad L$set$2
+	.byte	0x0
+	.align 3
+LEFDE1:
+	.globl _main.eh
+_main.eh:
+LSFDE3:
+	.set L$set$3,LEFDE3-LASFDE3
+	.long L$set$3
+LASFDE3:
+	.long	LASFDE3-EH_frame1
+	.quad	LFB20-.
+	.set L$set$4,LFE20-LFB20
+	.quad L$set$4
+	.byte	0x0
+	.byte	0x4
+	.set L$set$5,LCFI0-LFB20
+	.long L$set$5
+	.byte	0xe
+	.byte	0x10
+	.align 3
+LEFDE3:
+	.subsections_via_symbols

src/dissection-of-foreign-call-frame.txt

@@ -1,80 +0,0 @@
-0x00298010:     cmp    $0xfffffff0,%eax ;;; 4 args at -4(esp),-8(esp),-12(esp),-16(esp)
-0x00298013:     jne    0x275b28
-0x00298019:     mov    -4(%esp),%eax    ; get arg0
-0x0029801d:     cmp    $0x4f,%eax       ; is it null
-0x00298020:     jne    0x298048         ; if not, jump
-0x00298026:     mov    -16(%esp),%eax   ; get arg3
-0x0029802a:     mov    %eax,%edi        ; put it in edi
-0x0029802c:     and    $0x7,%eax        ; closure?
-0x0029802f:     cmp    $0x3,%eax
-0x00298032:     jne    0x275b00
-0x00298038:     movl   $0x4f,-4(%esp)   ; put null in arg0
-0x00298040:     mov    $0xfffffff4,%eax ; set argc
-0x00298045:     jmp    *-3(%edi)        ; tcall
- 
-0x00298048:     mov    -4(%esp),%eax    ; not null, get arg0
-0x0029804c:     mov    %eax,%ebx
-0x0029804e:     and    $0x7,%eax
-0x00298051:     cmp    $0x1,%eax
-0x00298054:     jne    0x275a00
-0x0029805a:     mov    -1(%ebx),%eax    ; take car
-0x0029805d:     mov    %eax,-20(%esp)   ; save to -20(esp)
-0x00298061:     cmp    4(%esi),%ebp     ; check overflow
-0x00298064:     jl     0x2980a9
-0x0029806a:     movl   $0x4040,-40(%esp) ; memreq -> -40(esp)
-0x00298072:     mov    %edi,-32(%esp)    ; cp -> -32(esp)
-0x00298076:     mov    $0x6785,%eax
-0x0029807b:     mov    %eax,%edi         ; handler -> edi
-0x0029807d:     add    $0xffffffe0,%esp  ; decrement stack by 32
-0x00298080:     mov    $0xfffffffc,%eax  ; 4 -> argc
-0x00298085:     mov    $0x6000,%ebx      ; ik_for_call
-0x0029808a:     jmp    0x2980a0
-                                                XXXXXXXX, XXXXXXX
--4(esp), -8(esp), -12(esp), -16(esp), -20(esp), -24(esp), -28(esp), -32(esp), -36(esp)
-0x08f:                 live-mask:  0xfe 0x01
-0x091:                 framesize:  36
-0x095:                 ?????????:  532 = 0x214
-0x099:                 multivalu:  0x2870488
-0x09d:                 0x00
-0x09e:                 0x00
-0x09f:                 0x00
-
-            -40(esp): out0
-            -36(esp): my-rp
-my-frame:   -32(esp): saved cp
-            -28(esp): junk?
-            -24(esp): junk?
-            -20(esp): saved value
-            -16(esp): arg3
-            -12(esp): arg2
-             -8(esp): arg1
-             -4(esp): arg0
-              0(esp): rp
-
-0x002980a0:     call   *%ebx
-0x002980a2:     mov    0(%esp),%edi
-0x002980a6:     sub    $0xffffffe0,%esp
-                                         ;;; no overflow
-0x002980a9:     mov    5(%edi),%eax
-0x002980ac:     mov    %eax,4(%ebp)
-0x002980af:     mov    -4(%esp),%eax
-0x002980b3:     mov    %eax,8(%ebp)
-0x002980b6:     mov    -16(%esp),%eax
-0x002980ba:     mov    %eax,12(%ebp)
-0x002980bd:     movl   $0x2957a98,0(%ebp)
-0x002980c4:     mov    %ebp,%eax
-0x002980c6:     add    $0x10,%ebp
-0x002980c9:     add    $0x3,%eax
-0x002980cc:     mov    %eax,-32(%esp)
-0x002980d0:     mov    1(%edi),%eax
-0x002980d3:     mov    %eax,%edi
-0x002980d5:     and    $0x7,%eax
-0x002980d8:     cmp    $0x3,%eax
-0x002980db:     jne    0x275b00
-0x002980e1:     mov    -20(%esp),%eax
-0x002980e5:     mov    %eax,-4(%esp)
-0x002980e9:     mov    -32(%esp),%eax
-0x002980ed:     mov    %eax,-16(%esp)
-0x002980f1:     mov    $0xfffffff0,%eax ;;; 4 tail args
-0x002980f6:     jmp    *-3(%edi)
-