| /* encode-1.c -- Test for encoder in libsframe. |
| |
| Copyright (C) 2022-2023 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> |
| |
| static int |
| add_fde1 (sframe_encoder_ctx *encode, int idx) |
| { |
| int i, err; |
| /* A contiguous block containing 4 FREs. */ |
| sframe_frame_row_entry fres[] |
| = { {0x0, {0x8, 0, 0}, 0x3}, |
| {0x1, {0x10, 0xf0, 0}, 0x5}, |
| {0x4, {0x10, 0xf0, 0}, 0x4}, |
| {0x1a, {0x8, 0xf0, 0}, 0x5} |
| }; |
| |
| unsigned char finfo = sframe_fde_create_func_info (SFRAME_FRE_TYPE_ADDR1, |
| SFRAME_FDE_TYPE_PCINC); |
| err = sframe_encoder_add_funcdesc (encode, 0xfffff03e, 0x1b, finfo, 4); |
| if (err == -1) |
| return err; |
| |
| for (i = 0; i < 4; i++) |
| if (sframe_encoder_add_fre (encode, idx,fres+i) == SFRAME_ERR) |
| return -1; |
| |
| return 0; |
| } |
| |
| static int |
| add_fde2 (sframe_encoder_ctx *encode, int idx) |
| { |
| int i, err; |
| /* A contiguous block containing 4 FREs. */ |
| sframe_frame_row_entry fres[] |
| = { {0x0, {0x8, 0, 0}, 0x3}, |
| {0x1, {0x10, 0xf0, 0}, 0x5}, |
| {0x4, {0x10, 0xf0, 0}, 0x4}, |
| {0xf, {0x8, 0xf0, 0}, 0x5} |
| }; |
| |
| unsigned char finfo = sframe_fde_create_func_info (SFRAME_FRE_TYPE_ADDR1, |
| SFRAME_FDE_TYPE_PCINC); |
| err = sframe_encoder_add_funcdesc (encode, 0xfffff059, 0x10, finfo, 4); |
| if (err == -1) |
| return err; |
| |
| for (i = 0; i < 4; i++) |
| if (sframe_encoder_add_fre (encode, idx, fres+i) == SFRAME_ERR) |
| return -1; |
| |
| return 0; |
| } |
| |
| /* |
| * SFrame info from the following source (2 fdes, 4 fres in each fde): |
| * static int cnt; |
| * int foo() { return ++cnt; } |
| * int main() { return foo(); } |
| */ |
| #define DATA "DATA2" |
| |
| static int |
| data_match (char *sframe_buf, size_t sz) |
| { |
| FILE *fp; |
| struct stat st; |
| char *sf_buf; |
| size_t sf_size; |
| int diffs; |
| |
| fp = fopen (DATA, "r"); |
| if (fp == NULL) |
| return 0; |
| if (fstat (fileno (fp), &st) < 0) |
| { |
| perror ("fstat"); |
| fclose (fp); |
| return 0; |
| } |
| sf_buf = malloc (st.st_size); |
| if (sf_buf == NULL) |
| { |
| perror ("malloc"); |
| return 0; |
| } |
| sf_size = fread (sf_buf, 1, st.st_size, fp); |
| fclose (fp); |
| if (sf_size == 0 || sf_buf == NULL) |
| { |
| fprintf (stderr, "Encode: Read section failed\n"); |
| return 0; |
| } |
| if (sf_size != sz) |
| return 0; |
| |
| diffs = memcmp (sf_buf, sframe_buf, sz); |
| |
| free (sf_buf); |
| return diffs == 0; |
| } |
| |
| int main (void) |
| { |
| sframe_encoder_ctx *encode; |
| sframe_frame_row_entry frep; |
| char *sframe_buf; |
| size_t sf_size; |
| int err = 0; |
| unsigned int fde_cnt = 0; |
| int match_p = 0; |
| |
| #define TEST(name, cond) \ |
| do \ |
| { \ |
| if (cond) \ |
| pass (name); \ |
| else \ |
| fail (name); \ |
| } \ |
| while (0) |
| |
| encode = sframe_encode (SFRAME_VERSION, 0, |
| SFRAME_ABI_AMD64_ENDIAN_LITTLE, |
| SFRAME_CFA_FIXED_FP_INVALID, |
| -8, /* Fixed RA offset for AMD64. */ |
| &err); |
| |
| fde_cnt = sframe_encoder_get_num_fidx (encode); |
| TEST ("encode-1: Encoder FDE count", fde_cnt == 0); |
| |
| err = sframe_encoder_add_fre (encode, 1, &frep); |
| TEST ("encode-1: Encoder update workflow", err == SFRAME_ERR); |
| |
| err = add_fde1 (encode, 0); |
| TEST ("encode-1: Encoder adding FDE1", err == 0); |
| |
| err = add_fde2 (encode, 1); |
| TEST ("encode-1: Encoder adding FDE2", err == 0); |
| |
| fde_cnt = sframe_encoder_get_num_fidx (encode); |
| TEST ("encode-1: Encoder FDE count", fde_cnt == 2); |
| |
| sframe_buf = sframe_encoder_write (encode, &sf_size, &err); |
| TEST ("encode-1: Encoder write", err == 0); |
| |
| match_p = data_match (sframe_buf, sf_size); |
| TEST ("encode-1: Encode buffer match", match_p == 1); |
| |
| sframe_encoder_free (&encode); |
| return 0; |
| } |