116 lines
3.3 KiB
C
116 lines
3.3 KiB
C
/* be-flipping.c -- Test for handling different endianness in libsframe.
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Copyright (C) 2022 Free Software Foundation, Inc.
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 3 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program. If not, see <http://www.gnu.org/licenses/>. */
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#include "config.h"
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#include <stdio.h>
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#include <stdlib.h>
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#include <sys/stat.h>
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#include "sframe-api.h"
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/* DejaGnu should not use gnulib's vsnprintf replacement here. */
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#undef vsnprintf
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#include <dejagnu.h>
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/* SFrame info from the following source (1 fde 5 fres):
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static int cnt;
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extern void foo (void);
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int bar()
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{
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cnt++;
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if (cnt == 3)
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foo();
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return (cnt);
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}
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gcc -mbig-endian -Wa,--gsframe -c -O3 t.c
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objcopy --dump-section .sframe=DATA-BE t.o
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*/
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#define DATA "DATA-BE"
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int
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main (void)
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{
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sframe_decoder_ctx *dctx = NULL;
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uint32_t nfres, fsize;
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int32_t fstart;
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unsigned char finfo;
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int err = 0;
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FILE *fp;
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struct stat st;
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char *sf_buf;
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size_t sf_size;
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#define TEST(name, cond) \
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do \
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{ \
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if (cond) \
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pass (name); \
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else \
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fail (name); \
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} \
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while (0)
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/* Test setup. */
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fp = fopen (DATA, "r");
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if (fp == NULL)
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goto setup_fail;
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if (fstat (fileno (fp), &st) < 0)
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{
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perror ("fstat");
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fclose (fp);
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goto setup_fail;
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}
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sf_buf = malloc (st.st_size);
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if (sf_buf == NULL)
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{
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perror ("malloc");
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goto setup_fail;
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}
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sf_size = fread (sf_buf, 1, st.st_size, fp);
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fclose (fp);
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if (sf_size == 0)
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{
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fprintf (stderr, "Decode: Read buffer failed\n");
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goto setup_fail;
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}
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/* Execute tests. */
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/* Call to sframe_decode will endian flip the input buffer (big-endian) if
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the host running the test is a little-endian system. This endian-flipped
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copy of the buffer is kept internally in dctx. */
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dctx = sframe_decode (sf_buf, sf_size, &err);
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TEST ("be-flipping: Decoder setup", dctx != NULL);
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unsigned int fde_cnt = sframe_decoder_get_num_fidx (dctx);
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TEST ("be-flipping: Decoder FDE count", fde_cnt == 1);
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err = sframe_decoder_get_funcdesc (dctx, 0, &nfres, &fsize, &fstart, &finfo);
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TEST ("be-flipping: Decoder get FDE", err == 0);
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TEST ("be-flipping: Decoder FRE count", nfres == 5);
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sframe_decoder_free (&dctx);
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return 0;
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setup_fail:
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sframe_decoder_free (&dctx);
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fail ("be-flipping: Test setup");
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return 1;
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}
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