ref: 1b4f88745ddce9a4870c4cf1c9c2877486c2c4bb
parent: 60a0cff60f2c11945afc0026c2f6ed532dc60e87
author: Roberto E. Vargas Caballero <k0ga@shike2.com>
date: Mon Jan 25 12:08:44 EST 2016
[cc1] Print information about size, aligment and offset in structs This informatio mut be calculated in the frontend (sizeof and _Alignof), and it is a bit stupid that the backend must recalculate it again, so the best option is to print it to the IR.
--- a/cc1/code.c
+++ b/cc1/code.c
@@ -264,9 +264,13 @@
for (sp = tp->p.fields; n-- > 0; ++sp)
emittype((*sp)->type);
emitletter(tp);
- if ((tag = tp->tag->name) != NULL)
- printf("\t%s", tag);- putchar('\n');+ tag = tp->tag->name;
+ printf("\t\"%s\t#%c%llX\t#%c%llX\n",+ (tag) ? tag : "",
+ sizettype->letter,
+ (unsigned long long) tp->size,
+ sizettype->letter,
+ (unsigned long long) tp->align);
n = tp->n.elem;
for (sp = tp->p.fields; n-- > 0; ++sp)
emit(ODECL, *sp);
@@ -378,6 +382,8 @@
putchar('\t');emitletter(sym->type);
printf("\t\"%s", (sym->name) ? sym->name : "");+ if (sym->flags & ISFIELD)
+ printf("\t#%c%llX", sizettype->letter, sym->u.i); putchar('\n');sym->flags |= ISEMITTED;
}
--- a/cc1/tests/test002.c
+++ b/cc1/tests/test002.c
@@ -7,9 +7,9 @@
G8 F "main
{\
-S2 S
-M5 I "i
-M6 P "next
+S2 "S #NC #N2
+M5 I "i #N0
+M6 P "next #N2
A9 S2 "y
A10 P "p
A11 N "n
--- a/cc1/tests/test015.c
+++ b/cc1/tests/test015.c
@@ -4,13 +4,13 @@
error:
test015.c:52: error: label 's' already defined
output:
-S8 s2
-M9 I "s
-S5 s1
-M6 I "s
-M10 S8 "s1
-S2 s
-M11 S5 "s
+S8 "s2 #N2 #N1
+M9 I "s #N0
+S5 "s1 #N4 #N1
+M6 I "s #N0
+M10 S8 "s1 #N2
+S2 "s #N4 #N1
+M11 S5 "s #N0
G12 S2 "s2
G14 F "main
{--- a/cc1/tests/test017.c
+++ b/cc1/tests/test017.c
@@ -6,12 +6,12 @@
G10 F "main
{\
-S2 s1
-M3 I "y
-M4 I "z
+S2 "s1 #N4 #N1
+M3 I "y #N0
+M4 I "z #N2
A11 S2 "nested
-S6 s2
-M8 P "p
+S6 "s2 #N4 #N2
+M8 P "p #N0
A12 S6 "v
A12 M8 .P A11 'P :P
A12 M8 .P @S2 M3 .I #I1 :I
--- a/cc1/tests/test030.c
+++ b/cc1/tests/test030.c
@@ -6,12 +6,12 @@
output:
G14 F "f1
{-S2 foo
-M3 I "i
-M4 I "j
-M5 I "k
-M7 P "p
-M8 J "v
+S2 "foo #N24 #N2
+M3 I "i #N0
+M4 I "j #N2
+M5 I "k #N4
+M7 P "p #N6
+M8 J "v #NE
A9 S2 "f
A11 P "p
A12 I "n
--- a/cc1/tests/test040.c
+++ b/cc1/tests/test040.c
@@ -6,10 +6,10 @@
G9 F "main
{\
-S2 List
-M4 I "len
-M6 P "head
-M7 P "back
+S2 "List #N1C #N2
+M4 I "len #N0
+M6 P "head #N2
+M7 P "back #N6
A10 S2 "List
r A10 M4 .I
}
--- a/cc1/tests/test041.c
+++ b/cc1/tests/test041.c
@@ -16,8 +16,8 @@
A5 P "q
A7 P "s
A8 P "p
-S10 foo
-M11 I "i
+S10 "foo #N2 #N1
+M11 I "i #N0
A12 S10 "foo
A3 A3 #I0 !I #W0 #W0 ?W gI :I
A8 A3 #I0 !I #P0 #P0 ?P :P
--- a/cc1/tests/test043.c
+++ b/cc1/tests/test043.c
@@ -3,9 +3,9 @@
description: Test for double typedef (taken from plan9 kernel)
error:
output:
-S2 Clock0link
-M6 P "clock
-M8 P "link
+S2 "Clock0link #NC #N2
+M6 P "clock #N0
+M8 P "link #N2
G9 S2 "cl0
G11 F "main
{--- a/cc1/tests/test047.c
+++ b/cc1/tests/test047.c
@@ -3,10 +3,10 @@
description: Basic test for initializer
error:
output:
-S2 S
-M3 I "a
-M4 I "b
-M5 I "c
+S2 "S #N6 #N1
+M3 I "a #N0
+M4 I "b #N2
+M5 I "c #N4
G6 S2 "x
(
#I1
--- a/cc1/tests/test048.c
+++ b/cc1/tests/test048.c
@@ -3,9 +3,9 @@
description: Basic test for initializer
error:
output:
-S2 S
-M3 I "a
-M4 I "b
+S2 "S #N4 #N1
+M3 I "a #N0
+M4 I "b #N2
V5 S2 #N1
G6 V5 "x
(
--- a/cc1/tests/test052.c
+++ b/cc1/tests/test052.c
@@ -3,9 +3,9 @@
description: Basic test for initializer
error:
output:
-S2 S
-M3 I "a
-M4 I "b
+S2 "S #N4 #N1
+M3 I "a #N0
+M4 I "b #N2
V5 S2 #N2
G6 V5 "arr
(
--- a/cc1/tests/test053.c
+++ b/cc1/tests/test053.c
@@ -3,9 +3,9 @@
description: Basic test for initializer
error:
output:
-S2 S
-M3 I "a
-M4 I "b
+S2 "S #N4 #N1
+M3 I "a #N0
+M4 I "b #N2
G5 S2 "s
(
#I1
--- a/cc1/tests/test056.c
+++ b/cc1/tests/test056.c
@@ -4,12 +4,12 @@
error:
output:
V6 K #N3
-S2 S
-M3 I "a
-M4 I "b
-M5 I "c
-M7 V6 "d
-M8 I "e
+S2 "S #NB #N1
+M3 I "a #N0
+M4 I "b #N2
+M5 I "c #N4
+M7 V6 "d #N6
+M8 I "e #N9
G9 S2 "s
(
#I1