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Uglify IFUNC tests for PPC.

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This commit is contained in:
Alan Modra 2009-10-30 00:48:54 -07:00 committed by Ulrich Drepper
parent 51a71cf063
commit 31c759bf37
13 changed files with 116 additions and 99 deletions
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20
ChangeLog
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@ -1,3 +1,23 @@
2009-10-28 Alan Modra <amodra@bigpond.net.au>
* elf/ifuncdep2.c: Include ifunc-sel.h.
(global): Delete.
(foo1_ifunc, foo2_ifunc, foo3_ifunc): Use ifunc_sel.
* elf/ifuncmain1.c (global): Delete.
* elf/ifuncmain1vis.c: Likewise.
* elf/ifuncmain2.c: Likewise.
* elf/ifuncmain5.c: Likewise.
* elf/ifuncmod3.c: Likewise.
* elf/ifuncmain6pie.c: Include ifunc-sel.h.
(foo_ifunc): Use ifunc_one.
* elf/ifuncmain7.c: Likewise.
* elf/ifuncmod1.c: Include ifunc-sel.h.
(global): Define protected var.
(foo_ifunc, foo_hidden_ifunc, foo_protected_ifunc): Use ifunc_sel.
* elf/ifuncmod5.c: Likewise.
* sysdeps/generic/elf/ifunc-sel.h: New file.
* sysdeps/powerpc/elf/ifunc-sel.h: New file.
2009-07-30 Alan Modra <amodra@bigpond.net.au>
* elf/elf.h (R_PPC_NUM, R_PPC64_NUM): Delete unused and incorrect.

34
elf/ifuncdep2.c
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@ -1,6 +1,8 @@
/* Test 3 STT_GNU_IFUNC symbols. */
extern int global;
#include "ifunc-sel.h"
int global __attribute__ ((visibility ("protected"))) = -1;
static int
one (void)
@ -26,15 +28,7 @@ __asm__(".type foo1, %gnu_indirect_function");
void *
foo1_ifunc (void)
{
switch (global)
{
case 1:
return one;
case -1:
return minus_one;
default:
return zero;
}
return ifunc_sel (one, minus_one, zero);
}
void * foo2_ifunc (void) __asm__ ("foo2");
@ -43,15 +37,7 @@ __asm__(".type foo2, %gnu_indirect_function");
void *
foo2_ifunc (void)
{
switch (global)
{
case 1:
return minus_one;
case -1:
return one;
default:
return zero;
}
return ifunc_sel (minus_one, one, zero);
}
void * foo3_ifunc (void) __asm__ ("foo3");
@ -60,13 +46,5 @@ __asm__(".type foo3, %gnu_indirect_function");
void *
foo3_ifunc (void)
{
switch (global)
{
case 1:
return one;
case -1:
return zero;
default:
return minus_one;
}
return ifunc_sel (one, zero, minus_one);
}

2
elf/ifuncmain1.c
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@ -7,8 +7,6 @@
#include <stdlib.h>
int global = -1;
int ret_foo;
int ret_foo_hidden;
int ret_foo_protected;

2
elf/ifuncmain1vis.c
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@ -7,8 +7,6 @@
#include <stdlib.h>
int global = -1;
int ret_foo;
int ret_foo_hidden;
int ret_foo_protected;

2
elf/ifuncmain2.c
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@ -3,8 +3,6 @@
#include <stdlib.h>
int global = -1;
extern int foo1 (void);
int

2
elf/ifuncmain5.c
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@ -2,8 +2,6 @@
#include <stdlib.h>
int global = -1;
extern int foo (void);
extern int foo_protected (void);

3
elf/ifuncmain6pie.c
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@ -6,6 +6,7 @@
*/
#include <stdlib.h>
#include "ifunc-sel.h"
typedef int (*foo_p) (void);
extern foo_p foo_ptr;
@ -22,7 +23,7 @@ __asm__(".type foo, %gnu_indirect_function");
void *
foo_ifunc (void)
{
return one;
return ifunc_one (one);
}
extern int foo (void);

3
elf/ifuncmain7.c
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@ -5,6 +5,7 @@
*/
#include <stdlib.h>
#include "ifunc-sel.h"
extern int foo (void);
@ -21,7 +22,7 @@ static void *
__attribute__ ((used))
foo_ifunc (void)
{
return one;
return ifunc_one (one);
}
typedef int (*foo_p) (void);

41
elf/ifuncmod1.c
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@ -4,8 +4,9 @@
2. Function pointer.
3. Visibility.
*/
#include "ifunc-sel.h"
extern int global;
int global __attribute__ ((visibility ("protected"))) = -1;
static int
one (void)
@ -20,7 +21,7 @@ minus_one (void)
}
static int
zero (void)
zero (void)
{
return 0;
}
@ -28,52 +29,28 @@ zero (void)
void * foo_ifunc (void) __asm__ ("foo");
__asm__(".type foo, %gnu_indirect_function");
void *
void *
foo_ifunc (void)
{
switch (global)
{
case 1:
return one;
case -1:
return minus_one;
default:
return zero;
}
return ifunc_sel (one, minus_one, zero);
}
void * foo_hidden_ifunc (void) __asm__ ("foo_hidden");
__asm__(".type foo_hidden, %gnu_indirect_function");
void *
void *
foo_hidden_ifunc (void)
{
switch (global)
{
case 1:
return minus_one;
case -1:
return one;
default:
return zero;
}
return ifunc_sel (minus_one, one, zero);
}
void * foo_protected_ifunc (void) __asm__ ("foo_protected");
__asm__(".type foo_protected, %gnu_indirect_function");
void *
void *
foo_protected_ifunc (void)
{
switch (global)
{
case 1:
return one;
case -1:
return zero;
default:
return minus_one;
}
return ifunc_sel (one, zero, minus_one);
}
/* Test hidden indirect function. */

1
elf/ifuncmod3.c
View File

@ -5,4 +5,3 @@
int ret_foo;
int ret_foo_hidden;
int ret_foo_protected;
int global = -1;

33
elf/ifuncmod5.c
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@ -1,6 +1,7 @@
/* Test STT_GNU_IFUNC symbols without direct function call. */
#include "ifunc-sel.h"
extern int global;
int global __attribute__ ((visibility ("protected"))) = -1;
static int
one (void)
@ -26,15 +27,7 @@ __asm__(".type foo, %gnu_indirect_function");
void *
foo_ifunc (void)
{
switch (global)
{
case 1:
return one;
case -1:
return minus_one;
default:
return zero;
}
return ifunc_sel (one, minus_one, zero);
}
void * foo_hidden_ifunc (void) __asm__ ("foo_hidden");
@ -43,15 +36,7 @@ __asm__(".type foo_hidden, %gnu_indirect_function");
void *
foo_hidden_ifunc (void)
{
switch (global)
{
case 1:
return minus_one;
case -1:
return one;
default:
return zero;
}
return ifunc_sel (minus_one, one, zero);
}
void * foo_protected_ifunc (void) __asm__ ("foo_protected");
@ -60,15 +45,7 @@ __asm__(".type foo_protected, %gnu_indirect_function");
void *
foo_protected_ifunc (void)
{
switch (global)
{
case 1:
return one;
case -1:
return zero;
default:
return minus_one;
}
return ifunc_sel (one, zero, minus_one);
}
/* Test hidden indirect function. */

26
sysdeps/generic/elf/ifunc-sel.h Normal file
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@ -0,0 +1,26 @@
/* Used by the elf ifunc tests. */
#ifndef ELF_IFUNC_SEL_H
#define ELF_IFUNC_SEL_H 1
extern int global;
static inline void *
ifunc_sel (int (*f1) (void), int (*f2) (void), int (*f3) (void))
{
switch (global)
{
case 1:
return f1;
case -1:
return f2;
default:
return f3;
}
}
static inline void *
ifunc_one (int (*f1) (void))
{
return f1;
}
#endif

46
sysdeps/powerpc/elf/ifunc-sel.h Normal file
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@ -0,0 +1,46 @@
/* Used by the elf ifunc tests. */
#ifndef ELF_IFUNC_SEL_H
#define ELF_IFUNC_SEL_H 1
extern int global;
static inline void *
ifunc_sel (int (*f1) (void), int (*f2) (void), int (*f3) (void))
{
register void *ret __asm__ ("r3");
__asm__ ("mflr 12\n\t"
"bcl 20,31,1f\n"
"1:\tmflr 11\n\t"
"mtlr 12\n\t"
"addis 12,11,global-1b@ha\n\t"
"lwz 12,global-1b@l(12)\n\t"
"addis %0,11,%2-1b@ha\n\t"
"addi %0,%0,%2-1b@l\n\t"
"cmpwi 12,1\n\t"
"beqlr\n\t"
"addis %0,11,%3-1b@ha\n\t"
"addi %0,%0,%3-1b@l\n\t"
"cmpwi 12,-1\n\t"
"beqlr\n\t"
"addis %0,11,%4-1b@ha\n\t"
"addi %0,%0,%4-1b@l"
: "=r" (ret)
: "X" (&global), "X" (f1), "X" (f2), "X" (f3));
return ret;
}
static inline void *
ifunc_one (int (*f1) (void))
{
register void *ret __asm__ ("r3");
__asm__ ("mflr 12\n\t"
"bcl 20,31,1f\n"
"1:\tmflr %0\n\t"
"mtlr 12\n\t"
"addis %0,%0,%1-1b@ha\n\t"
"addi %0,%0,%1-1b@l"
: "=r" (ret)
: "X" (f1));
return ret;
}
#endif