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-rw-r--r--libsframe/testsuite/libsframe.find/find.exp5
-rw-r--r--libsframe/testsuite/libsframe.find/local.mk5
-rw-r--r--libsframe/testsuite/libsframe.find/plt-findfre-2.c201
3 files changed, 211 insertions, 0 deletions
diff --git a/libsframe/testsuite/libsframe.find/find.exp b/libsframe/testsuite/libsframe.find/find.exp
index d1be070..62471a3 100644
--- a/libsframe/testsuite/libsframe.find/find.exp
+++ b/libsframe/testsuite/libsframe.find/find.exp
@@ -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"
+}
diff --git a/libsframe/testsuite/libsframe.find/local.mk b/libsframe/testsuite/libsframe.find/local.mk
index 03206b1..52741e8 100644
--- a/libsframe/testsuite/libsframe.find/local.mk
+++ b/libsframe/testsuite/libsframe.find/local.mk
@@ -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
diff --git a/libsframe/testsuite/libsframe.find/plt-findfre-2.c b/libsframe/testsuite/libsframe.find/plt-findfre-2.c
new file mode 100644
index 0000000..00a5b2a
--- /dev/null
+++ b/libsframe/testsuite/libsframe.find/plt-findfre-2.c
@@ -0,0 +1,201 @@
+/* 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,
+ { SFRAME_V2_S390X_CFA_OFFSET_ENCODE (160 + PLT0_CFA_OFFSET_MAGIC) },
+ SFRAME_V1_FRE_INFO (SFRAME_BASE_REG_SP, 1, SFRAME_FRE_OFFSET_1B) };
+
+ unsigned char finfo = sframe_fde_create_func_info (SFRAME_FRE_TYPE_ADDR1,
+ SFRAME_FDE_TYPE_PCINC);
+ uint32_t offsetof_fde_in_sec
+ = sframe_encoder_get_offsetof_fde_start_addr (ectx, idx, NULL);
+
+ int32_t func_start_addr = (plt_vaddr
+ - (sframe_vaddr + offsetof_fde_in_sec));
+
+ /* 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,
+ { SFRAME_V2_S390X_CFA_OFFSET_ENCODE (160 + PLTN_CFA_OFFSET_MAGIC) },
+ SFRAME_V1_FRE_INFO (SFRAME_BASE_REG_SP, 1, SFRAME_FRE_OFFSET_1B) };
+
+ unsigned char finfo = sframe_fde_create_func_info (SFRAME_FRE_TYPE_ADDR1,
+ SFRAME_FDE_TYPE_PCMASK);
+ uint32_t offsetof_fde_in_sec
+ = sframe_encoder_get_offsetof_fde_start_addr (ectx, idx, NULL);
+
+ int32_t func_start_addr = (plt_vaddr
+ - (sframe_vaddr + offsetof_fde_in_sec));
+
+ /* 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, SFRAME_F_FDE_FUNC_START_PCREL,
+ 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;
+}
generated by cgit v1.1 at 2025-07-13 17:47:35 +0000