libsframe: Add test for PLT0 and PLTN with only one FRE each

On s390x the PLT0 and PLTN entries are described with one SFrame FRE
each.  Add a test case for this particularity.

libsframe/testsuite/
	* libsframe.find/find.exp (plt-findfre-2): Add new test.
	* libsframe.find/plt-findfre-2.c: New test for PLT0 and PLTN
	with only one FRE each.
	* libsframe.find/local.mk (plt-findfre-2): Add new test.

libsframe/
	* Makefile.in: Regenerate.
This commit is contained in:
Jens Remus
2025-07-11 10:29:40 +02:00
parent 22472454fa
commit 0d4d5a2633
4 changed files with 240 additions and 4 deletions

View File

@@ -118,7 +118,8 @@ check_PROGRAMS = $(am__EXEEXT_1)
@HAVE_COMPAT_DEJAGNU_TRUE@ testsuite/libsframe.encode/encode-1 \
@HAVE_COMPAT_DEJAGNU_TRUE@ testsuite/libsframe.find/findfre-1 \
@HAVE_COMPAT_DEJAGNU_TRUE@ testsuite/libsframe.find/findfunc-1 \
@HAVE_COMPAT_DEJAGNU_TRUE@ testsuite/libsframe.find/plt-findfre-1
@HAVE_COMPAT_DEJAGNU_TRUE@ testsuite/libsframe.find/plt-findfre-1 \
@HAVE_COMPAT_DEJAGNU_TRUE@ testsuite/libsframe.find/plt-findfre-2
subdir = .
ACLOCAL_M4 = $(top_srcdir)/aclocal.m4
am__aclocal_m4_deps = $(top_srcdir)/../bfd/acinclude.m4 \
@@ -193,7 +194,8 @@ libsframe_la_LINK = $(LIBTOOL) $(AM_V_lt) --tag=CC $(AM_LIBTOOLFLAGS) \
@HAVE_COMPAT_DEJAGNU_TRUE@ testsuite/libsframe.encode/encode-1$(EXEEXT) \
@HAVE_COMPAT_DEJAGNU_TRUE@ testsuite/libsframe.find/findfre-1$(EXEEXT) \
@HAVE_COMPAT_DEJAGNU_TRUE@ testsuite/libsframe.find/findfunc-1$(EXEEXT) \
@HAVE_COMPAT_DEJAGNU_TRUE@ testsuite/libsframe.find/plt-findfre-1$(EXEEXT)
@HAVE_COMPAT_DEJAGNU_TRUE@ testsuite/libsframe.find/plt-findfre-1$(EXEEXT) \
@HAVE_COMPAT_DEJAGNU_TRUE@ testsuite/libsframe.find/plt-findfre-2$(EXEEXT)
am__dirstamp = $(am__leading_dot)dirstamp
am_testsuite_libsframe_decode_be_flipping_OBJECTS = testsuite/libsframe.decode/testsuite_libsframe_decode_be_flipping-be-flipping.$(OBJEXT)
testsuite_libsframe_decode_be_flipping_OBJECTS = \
@@ -230,6 +232,11 @@ testsuite_libsframe_find_plt_findfre_1_OBJECTS = \
$(am_testsuite_libsframe_find_plt_findfre_1_OBJECTS)
testsuite_libsframe_find_plt_findfre_1_DEPENDENCIES = \
${top_builddir}/libsframe.la
am_testsuite_libsframe_find_plt_findfre_2_OBJECTS = testsuite/libsframe.find/testsuite_libsframe_find_plt_findfre_2-plt-findfre-2.$(OBJEXT)
testsuite_libsframe_find_plt_findfre_2_OBJECTS = \
$(am_testsuite_libsframe_find_plt_findfre_2_OBJECTS)
testsuite_libsframe_find_plt_findfre_2_DEPENDENCIES = \
${top_builddir}/libsframe.la
AM_V_P = $(am__v_P_@AM_V@)
am__v_P_ = $(am__v_P_@AM_DEFAULT_V@)
am__v_P_0 = false
@@ -271,7 +278,8 @@ SOURCES = $(libsframe_la_SOURCES) \
$(testsuite_libsframe_encode_encode_1_SOURCES) \
$(testsuite_libsframe_find_findfre_1_SOURCES) \
$(testsuite_libsframe_find_findfunc_1_SOURCES) \
$(testsuite_libsframe_find_plt_findfre_1_SOURCES)
$(testsuite_libsframe_find_plt_findfre_1_SOURCES) \
$(testsuite_libsframe_find_plt_findfre_2_SOURCES)
DIST_SOURCES = $(libsframe_la_SOURCES) \
$(testsuite_libsframe_decode_be_flipping_SOURCES) \
$(testsuite_libsframe_decode_frecnt_1_SOURCES) \
@@ -279,7 +287,8 @@ DIST_SOURCES = $(libsframe_la_SOURCES) \
$(testsuite_libsframe_encode_encode_1_SOURCES) \
$(testsuite_libsframe_find_findfre_1_SOURCES) \
$(testsuite_libsframe_find_findfunc_1_SOURCES) \
$(testsuite_libsframe_find_plt_findfre_1_SOURCES)
$(testsuite_libsframe_find_plt_findfre_1_SOURCES) \
$(testsuite_libsframe_find_plt_findfre_2_SOURCES)
AM_V_DVIPS = $(am__v_DVIPS_@AM_V@)
am__v_DVIPS_ = $(am__v_DVIPS_@AM_DEFAULT_V@)
am__v_DVIPS_0 = @echo " DVIPS " $@;
@@ -569,6 +578,9 @@ testsuite_libsframe_find_findfunc_1_CPPFLAGS = -I${top_srcdir}/../include -Wall
testsuite_libsframe_find_plt_findfre_1_SOURCES = testsuite/libsframe.find/plt-findfre-1.c
testsuite_libsframe_find_plt_findfre_1_LDADD = ${top_builddir}/libsframe.la
testsuite_libsframe_find_plt_findfre_1_CPPFLAGS = -I${top_srcdir}/../include -Wall
testsuite_libsframe_find_plt_findfre_2_SOURCES = testsuite/libsframe.find/plt-findfre-2.c
testsuite_libsframe_find_plt_findfre_2_LDADD = ${top_builddir}/libsframe.la
testsuite_libsframe_find_plt_findfre_2_CPPFLAGS = -I${top_srcdir}/../include -Wall
all: config.h
$(MAKE) $(AM_MAKEFLAGS) all-am
@@ -748,6 +760,13 @@ testsuite/libsframe.find/testsuite_libsframe_find_plt_findfre_1-plt-findfre-1.$(
testsuite/libsframe.find/plt-findfre-1$(EXEEXT): $(testsuite_libsframe_find_plt_findfre_1_OBJECTS) $(testsuite_libsframe_find_plt_findfre_1_DEPENDENCIES) $(EXTRA_testsuite_libsframe_find_plt_findfre_1_DEPENDENCIES) testsuite/libsframe.find/$(am__dirstamp)
@rm -f testsuite/libsframe.find/plt-findfre-1$(EXEEXT)
$(AM_V_CCLD)$(LINK) $(testsuite_libsframe_find_plt_findfre_1_OBJECTS) $(testsuite_libsframe_find_plt_findfre_1_LDADD) $(LIBS)
testsuite/libsframe.find/testsuite_libsframe_find_plt_findfre_2-plt-findfre-2.$(OBJEXT): \
testsuite/libsframe.find/$(am__dirstamp) \
testsuite/libsframe.find/$(DEPDIR)/$(am__dirstamp)
testsuite/libsframe.find/plt-findfre-2$(EXEEXT): $(testsuite_libsframe_find_plt_findfre_2_OBJECTS) $(testsuite_libsframe_find_plt_findfre_2_DEPENDENCIES) $(EXTRA_testsuite_libsframe_find_plt_findfre_2_DEPENDENCIES) testsuite/libsframe.find/$(am__dirstamp)
@rm -f testsuite/libsframe.find/plt-findfre-2$(EXEEXT)
$(AM_V_CCLD)$(LINK) $(testsuite_libsframe_find_plt_findfre_2_OBJECTS) $(testsuite_libsframe_find_plt_findfre_2_LDADD) $(LIBS)
mostlyclean-compile:
-rm -f *.$(OBJEXT)
@@ -768,6 +787,7 @@ distclean-compile:
@AMDEP_TRUE@@am__include@ @am__quote@testsuite/libsframe.find/$(DEPDIR)/testsuite_libsframe_find_findfre_1-findfre-1.Po@am__quote@
@AMDEP_TRUE@@am__include@ @am__quote@testsuite/libsframe.find/$(DEPDIR)/testsuite_libsframe_find_findfunc_1-findfunc-1.Po@am__quote@
@AMDEP_TRUE@@am__include@ @am__quote@testsuite/libsframe.find/$(DEPDIR)/testsuite_libsframe_find_plt_findfre_1-plt-findfre-1.Po@am__quote@
@AMDEP_TRUE@@am__include@ @am__quote@testsuite/libsframe.find/$(DEPDIR)/testsuite_libsframe_find_plt_findfre_2-plt-findfre-2.Po@am__quote@
.c.o:
@am__fastdepCC_TRUE@ $(AM_V_CC)depbase=`echo $@ | sed 's|[^/]*$$|$(DEPDIR)/&|;s|\.o$$||'`;\
@@ -912,6 +932,20 @@ testsuite/libsframe.find/testsuite_libsframe_find_plt_findfre_1-plt-findfre-1.ob
@AMDEP_TRUE@@am__fastdepCC_FALSE@ DEPDIR=$(DEPDIR) $(CCDEPMODE) $(depcomp) @AMDEPBACKSLASH@
@am__fastdepCC_FALSE@ $(AM_V_CC@am__nodep@)$(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(testsuite_libsframe_find_plt_findfre_1_CPPFLAGS) $(CPPFLAGS) $(AM_CFLAGS) $(CFLAGS) -c -o testsuite/libsframe.find/testsuite_libsframe_find_plt_findfre_1-plt-findfre-1.obj `if test -f 'testsuite/libsframe.find/plt-findfre-1.c'; then $(CYGPATH_W) 'testsuite/libsframe.find/plt-findfre-1.c'; else $(CYGPATH_W) '$(srcdir)/testsuite/libsframe.find/plt-findfre-1.c'; fi`
testsuite/libsframe.find/testsuite_libsframe_find_plt_findfre_2-plt-findfre-2.o: testsuite/libsframe.find/plt-findfre-2.c
@am__fastdepCC_TRUE@ $(AM_V_CC)$(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(testsuite_libsframe_find_plt_findfre_2_CPPFLAGS) $(CPPFLAGS) $(AM_CFLAGS) $(CFLAGS) -MT testsuite/libsframe.find/testsuite_libsframe_find_plt_findfre_2-plt-findfre-2.o -MD -MP -MF testsuite/libsframe.find/$(DEPDIR)/testsuite_libsframe_find_plt_findfre_2-plt-findfre-2.Tpo -c -o testsuite/libsframe.find/testsuite_libsframe_find_plt_findfre_2-plt-findfre-2.o `test -f 'testsuite/libsframe.find/plt-findfre-2.c' || echo '$(srcdir)/'`testsuite/libsframe.find/plt-findfre-2.c
@am__fastdepCC_TRUE@ $(AM_V_at)$(am__mv) testsuite/libsframe.find/$(DEPDIR)/testsuite_libsframe_find_plt_findfre_2-plt-findfre-2.Tpo testsuite/libsframe.find/$(DEPDIR)/testsuite_libsframe_find_plt_findfre_2-plt-findfre-2.Po
@AMDEP_TRUE@@am__fastdepCC_FALSE@ $(AM_V_CC)source='testsuite/libsframe.find/plt-findfre-2.c' object='testsuite/libsframe.find/testsuite_libsframe_find_plt_findfre_2-plt-findfre-2.o' libtool=no @AMDEPBACKSLASH@
@AMDEP_TRUE@@am__fastdepCC_FALSE@ DEPDIR=$(DEPDIR) $(CCDEPMODE) $(depcomp) @AMDEPBACKSLASH@
@am__fastdepCC_FALSE@ $(AM_V_CC@am__nodep@)$(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(testsuite_libsframe_find_plt_findfre_2_CPPFLAGS) $(CPPFLAGS) $(AM_CFLAGS) $(CFLAGS) -c -o testsuite/libsframe.find/testsuite_libsframe_find_plt_findfre_2-plt-findfre-2.o `test -f 'testsuite/libsframe.find/plt-findfre-2.c' || echo '$(srcdir)/'`testsuite/libsframe.find/plt-findfre-2.c
testsuite/libsframe.find/testsuite_libsframe_find_plt_findfre_2-plt-findfre-2.obj: testsuite/libsframe.find/plt-findfre-2.c
@am__fastdepCC_TRUE@ $(AM_V_CC)$(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(testsuite_libsframe_find_plt_findfre_2_CPPFLAGS) $(CPPFLAGS) $(AM_CFLAGS) $(CFLAGS) -MT testsuite/libsframe.find/testsuite_libsframe_find_plt_findfre_2-plt-findfre-2.obj -MD -MP -MF testsuite/libsframe.find/$(DEPDIR)/testsuite_libsframe_find_plt_findfre_2-plt-findfre-2.Tpo -c -o testsuite/libsframe.find/testsuite_libsframe_find_plt_findfre_2-plt-findfre-2.obj `if test -f 'testsuite/libsframe.find/plt-findfre-2.c'; then $(CYGPATH_W) 'testsuite/libsframe.find/plt-findfre-2.c'; else $(CYGPATH_W) '$(srcdir)/testsuite/libsframe.find/plt-findfre-2.c'; fi`
@am__fastdepCC_TRUE@ $(AM_V_at)$(am__mv) testsuite/libsframe.find/$(DEPDIR)/testsuite_libsframe_find_plt_findfre_2-plt-findfre-2.Tpo testsuite/libsframe.find/$(DEPDIR)/testsuite_libsframe_find_plt_findfre_2-plt-findfre-2.Po
@AMDEP_TRUE@@am__fastdepCC_FALSE@ $(AM_V_CC)source='testsuite/libsframe.find/plt-findfre-2.c' object='testsuite/libsframe.find/testsuite_libsframe_find_plt_findfre_2-plt-findfre-2.obj' libtool=no @AMDEPBACKSLASH@
@AMDEP_TRUE@@am__fastdepCC_FALSE@ DEPDIR=$(DEPDIR) $(CCDEPMODE) $(depcomp) @AMDEPBACKSLASH@
@am__fastdepCC_FALSE@ $(AM_V_CC@am__nodep@)$(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(testsuite_libsframe_find_plt_findfre_2_CPPFLAGS) $(CPPFLAGS) $(AM_CFLAGS) $(CFLAGS) -c -o testsuite/libsframe.find/testsuite_libsframe_find_plt_findfre_2-plt-findfre-2.obj `if test -f 'testsuite/libsframe.find/plt-findfre-2.c'; then $(CYGPATH_W) 'testsuite/libsframe.find/plt-findfre-2.c'; else $(CYGPATH_W) '$(srcdir)/testsuite/libsframe.find/plt-findfre-2.c'; fi`
mostlyclean-libtool:
-rm -f *.lo

View File

@@ -26,6 +26,7 @@ if [string equal $COMPAT_DEJAGNU "no"] {
unsupported findfre-1
unsupported findfunc-1
unsupported plt-findfre-1
unsupported plt-findfre-2
return;
}
@@ -40,3 +41,7 @@ if { [host_execute "testsuite/libsframe.find/findfunc-1"] ne "" } {
if { [host_execute "testsuite/libsframe.find/plt-findfre-1"] ne "" } {
fail "plt-findfre-1"
}
if { [host_execute "testsuite/libsframe.find/plt-findfre-2"] ne "" } {
fail "plt-findfre-2"
}

View File

@@ -1,5 +1,6 @@
if HAVE_COMPAT_DEJAGNU
check_PROGRAMS += %D%/findfre-1 %D%/findfunc-1 %D%/plt-findfre-1
check_PROGRAMS += %D%/plt-findfre-2
endif
%C%_findfre_1_SOURCES = %D%/findfre-1.c
@@ -13,3 +14,7 @@ endif
%C%_plt_findfre_1_SOURCES = %D%/plt-findfre-1.c
%C%_plt_findfre_1_LDADD = ${top_builddir}/libsframe.la
%C%_plt_findfre_1_CPPFLAGS = -I${top_srcdir}/../include -Wall
%C%_plt_findfre_2_SOURCES = %D%/plt-findfre-2.c
%C%_plt_findfre_2_LDADD = ${top_builddir}/libsframe.la
%C%_plt_findfre_2_CPPFLAGS = -I${top_srcdir}/../include -Wall

View File

@@ -0,0 +1,192 @@
/* plt-findfre-2.c -- Test for sframe_find_fre for SFrame FDE of type
PCMASK with with one SFrame FRE only.
Copyright (C) 2025 Free Software Foundation, Inc.
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>. */
#include "config.h"
#include <stdlib.h>
#include <string.h>
#include <sys/stat.h>
#include "sframe-api.h"
/* DejaGnu should not use gnulib's vsnprintf replacement here. */
#undef vsnprintf
#include <dejagnu.h>
/* s390x-specific size in bytes of plt0 and pltN. */
#define PLT_SIZE 32
/* Magic values added to CFA offsets to make them distingishable. Must
be multiple of 8 due to s390x-specific CFA alignment factor. */
#define PLT0_CFA_OFFSET_MAGIC 0
#define PLTN_CFA_OFFSET_MAGIC 8
static int
add_plt0_fde (sframe_encoder_ctx *ectx, uint32_t plt_vaddr,
uint32_t sframe_vaddr, int idx)
{
/* 1 single FRE. */
sframe_frame_row_entry fre
= { 0x0,
{ 0, 160 + PLT0_CFA_OFFSET_MAGIC },
SFRAME_V1_FRE_INFO (SFRAME_BASE_REG_SP, 1, SFRAME_FRE_OFFSET_2B) };
unsigned char finfo = sframe_fde_create_func_info (SFRAME_FRE_TYPE_ADDR1,
SFRAME_FDE_TYPE_PCINC);
int32_t func_start_addr = plt_vaddr - sframe_vaddr;
/* 1 PCINC-type FDE for 1 plt0 entry of 32 bytes. */
int err = sframe_encoder_add_funcdesc_v2 (ectx, func_start_addr,
PLT_SIZE /* func size. */,
finfo,
0 /* rep block size. */,
1 /* num FREs. */);
if (err == -1)
return err;
if (sframe_encoder_add_fre (ectx, idx, &fre) == SFRAME_ERR)
return -1;
return 0;
}
static int
add_pltn_fde (sframe_encoder_ctx *ectx, uint32_t plt_vaddr,
uint32_t sframe_vaddr, int idx)
{
/* 1 single FRE. */
sframe_frame_row_entry fre
= { 0x0,
{ 0, 160 + PLTN_CFA_OFFSET_MAGIC },
SFRAME_V1_FRE_INFO (SFRAME_BASE_REG_SP, 1, SFRAME_FRE_OFFSET_2B) };
unsigned char finfo = sframe_fde_create_func_info (SFRAME_FRE_TYPE_ADDR1,
SFRAME_FDE_TYPE_PCMASK);
int32_t func_start_addr = plt_vaddr - sframe_vaddr;
/* 1 PCMASK-type FDE for 5 pltN entries of 32 bytes each. */
int err = sframe_encoder_add_funcdesc_v2 (ectx, func_start_addr,
5 * PLT_SIZE /* func size. */,
finfo,
PLT_SIZE /* rep block size. */,
1 /* num FREs. */);
if (err == -1)
return err;
if (sframe_encoder_add_fre (ectx, idx, &fre) == SFRAME_ERR)
return -1;
return 0;
}
static
void test_plt_findfre (const char suffix, const uint32_t plt_vaddr,
const uint32_t sframe_vaddr)
{
sframe_encoder_ctx *ectx;
sframe_decoder_ctx *dctx;
sframe_frame_row_entry frep;
char *sframe_buf;
size_t sf_size;
int err = 0;
unsigned int fde_cnt = 0;
int i;
#define TEST(cond, ...) \
do \
{ \
if (cond) \
pass (__VA_ARGS__); \
else \
fail (__VA_ARGS__); \
} \
while (0)
ectx = sframe_encode (SFRAME_VERSION, 0, SFRAME_ABI_S390X_ENDIAN_BIG,
SFRAME_CFA_FIXED_FP_INVALID,
SFRAME_CFA_FIXED_RA_INVALID,
&err);
TEST (ectx != NULL && err == 0, "plt-findfre-2%c: Creating SFrame encoder", suffix);
err = add_plt0_fde (ectx, plt_vaddr, sframe_vaddr, 0);
TEST (err == 0, "plt-findfre-2%c: Adding FDE for plt0", suffix);
fde_cnt = sframe_encoder_get_num_fidx (ectx);
TEST (fde_cnt == 1, "plt-findfre-2%c: Test FDE count after adding FDE for plt0", suffix);
err = add_pltn_fde (ectx, plt_vaddr + PLT_SIZE, sframe_vaddr, 1);
TEST (err == 0, "plt-findfre-2%c: Adding FDE for pltN", suffix);
fde_cnt = sframe_encoder_get_num_fidx (ectx);
TEST (fde_cnt == 2, "plt-findfre-2%c: Test FDE count after adding FDE for pltN", suffix);
sframe_buf = sframe_encoder_write (ectx, &sf_size, &err);
TEST (err == 0, "plt-findfre-2%c: Encoder write", suffix);
dctx = sframe_decode (sframe_buf, sf_size, &err);
TEST (dctx != NULL, "plt-findfre-2%c: Decoder setup", suffix);
/* Find the only FRE in PLT0 at offset 0. */
err = sframe_find_fre (dctx, (plt_vaddr + 0 - sframe_vaddr), &frep);
TEST (err == 0 && sframe_fre_get_cfa_offset (dctx, &frep, &err) == 160 + PLT0_CFA_OFFSET_MAGIC,
"plt-findfre-2%c: Find only FRE in PLT0 at offset 0", suffix);
/* Find the only FRE in PLT0 at offset PLT_SIZE-1. */
err = sframe_find_fre (dctx, (plt_vaddr + (PLT_SIZE-1) - sframe_vaddr), &frep);
TEST (err == 0 && sframe_fre_get_cfa_offset (dctx, &frep, &err) == 160 + PLT0_CFA_OFFSET_MAGIC,
"plt-findfre-2%c: Find only FRE in PLT0 at offset PLT_SIZE-1", suffix);
/* Find the only FRE in PLT1-5 at offset 0 and PLT_SIZE-1. */
for (i = 1; i < 5; i++)
{
/* Find the only FRE in PLTN at offset 0. */
err = sframe_find_fre (dctx, (plt_vaddr + i * PLT_SIZE + 0 - sframe_vaddr), &frep);
TEST (err == 0 && sframe_fre_get_cfa_offset (dctx, &frep, &err) == 160 + PLTN_CFA_OFFSET_MAGIC,
"plt-findfre-2%c: Find only FRE in PLT%d at offset 0", suffix, i);
/* Find the only FRE in PLTN at offset 31. */
err = sframe_find_fre (dctx, (plt_vaddr + i * PLT_SIZE + (PLT_SIZE-1) - sframe_vaddr), &frep);
TEST (err == 0 && sframe_fre_get_cfa_offset (dctx, &frep, &err) == 160 + PLTN_CFA_OFFSET_MAGIC,
"plt-findfre-2%c: Find only FRE in PLT%d at offset PLT_SIZE-1", suffix, i);
}
/* Find no FRE in non-existing PLT6 at offset 0. */
err = sframe_find_fre (dctx, (plt_vaddr + 6 * PLT_SIZE + 0 - sframe_vaddr), &frep);
TEST (err != 0, "plt-findfre-2%c: Find no FRE in out of range PLT6 at offset 0", suffix);
sframe_encoder_free (&ectx);
sframe_decoder_free (&dctx);
}
int
main (void)
{
uint32_t sframe_vaddr = 0x402220;
uint32_t plt_vaddr = 0x401020;
printf ("plt-findfre-2a: Testing with plt_vaddr = %#x; sframe_vaddr = %#x\n",
plt_vaddr, sframe_vaddr);
test_plt_findfre ('a', plt_vaddr, sframe_vaddr);
sframe_vaddr = 0x401020;
plt_vaddr = 0x402220;
printf ("plt-findfre-2b: Testing with plt_vaddr = %#x; sframe_vaddr = %#x\n",
plt_vaddr, sframe_vaddr);
test_plt_findfre ('b', plt_vaddr, sframe_vaddr);
return 0;
}