1/* findfre-1.c -- Test for sframe_find_fre in libsframe. 2 3 Copyright (C) 2023-2024 Free Software Foundation, Inc. 4 5 This program is free software; you can redistribute it and/or modify 6 it under the terms of the GNU General Public License as published by 7 the Free Software Foundation; either version 3 of the License, or 8 (at your option) any later version. 9 10 This program is distributed in the hope that it will be useful, 11 but WITHOUT ANY WARRANTY; without even the implied warranty of 12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 13 GNU General Public License for more details. 14 15 You should have received a copy of the GNU General Public License 16 along with this program. If not, see <http://www.gnu.org/licenses/>. */ 17 18#include "config.h" 19 20#include <stdlib.h> 21#include <string.h> 22#include <sys/stat.h> 23 24#include "sframe-api.h" 25 26/* DejaGnu should not use gnulib's vsnprintf replacement here. */ 27#undef vsnprintf 28#include <dejagnu.h> 29 30static int 31add_fde1 (sframe_encoder_ctx *encode, int idx) 32{ 33 int i, err; 34 /* A contiguous block containing 4 FREs. */ 35 sframe_frame_row_entry fres[] 36 = { {0x0, {0x1, 0, 0}, 0x3}, 37 {0x1, {0x2, 0xf0, 0}, 0x5}, 38 {0x10, {0x3, 0xf0, 0}, 0x4}, 39 {0x38, {0x8, 0xf0, 0}, 0x5} 40 }; 41 42 unsigned char finfo = sframe_fde_create_func_info (SFRAME_FRE_TYPE_ADDR1, 43 SFRAME_FDE_TYPE_PCINC); 44 err = sframe_encoder_add_funcdesc (encode, 0xfffff03e, 0x40, finfo, 4); 45 if (err == -1) 46 return err; 47 48 for (i = 0; i < 4; i++) 49 if (sframe_encoder_add_fre (encode, idx,fres+i) == SFRAME_ERR) 50 return -1; 51 52 return 0; 53} 54 55static int 56add_fde2 (sframe_encoder_ctx *encode, int idx) 57{ 58 int i, err; 59 /* A contiguous block containing 4 FREs. */ 60 sframe_frame_row_entry fres[] 61 = { {0x0, {0x10, 0, 0}, 0x3}, 62 {0x10, {0x12, 0xf0, 0}, 0x5}, 63 {0x14, {0x14, 0xf0, 0}, 0x4}, 64 {0x20, {0x15, 0xf0, 0}, 0x5} 65 }; 66 67 unsigned char finfo = sframe_fde_create_func_info (SFRAME_FRE_TYPE_ADDR1, 68 SFRAME_FDE_TYPE_PCINC); 69 err = sframe_encoder_add_funcdesc (encode, 0xfffff08e, 0x60, finfo, 4); 70 if (err == -1) 71 return err; 72 73 for (i = 0; i < 4; i++) 74 if (sframe_encoder_add_fre (encode, idx, fres+i) == SFRAME_ERR) 75 return -1; 76 77 return 0; 78} 79 80int main (void) 81{ 82 sframe_encoder_ctx *encode; 83 sframe_decoder_ctx *dctx; 84 sframe_frame_row_entry frep; 85 char *sframe_buf; 86 size_t sf_size; 87 int err = 0; 88 unsigned int fde_cnt = 0; 89 90#define TEST(name, cond) \ 91 do \ 92 { \ 93 if (cond) \ 94 pass (name); \ 95 else \ 96 fail (name); \ 97 } \ 98 while (0) 99 100 encode = sframe_encode (SFRAME_VERSION, 0, 101 SFRAME_ABI_AMD64_ENDIAN_LITTLE, 102 SFRAME_CFA_FIXED_FP_INVALID, 103 -8, /* Fixed RA offset for AMD64. */ 104 &err); 105 106 err = add_fde1 (encode, 0); 107 TEST ("findfre-1: Adding FDE1", err == 0); 108 109 err = add_fde2 (encode, 1); 110 TEST ("findfre-1: Adding FDE2", err == 0); 111 112 fde_cnt = sframe_encoder_get_num_fidx (encode); 113 TEST ("findfre-1: Test FDE count", fde_cnt == 2); 114 115 sframe_buf = sframe_encoder_write (encode, &sf_size, &err); 116 TEST ("findfre-1: Encoder write", err == 0); 117 118 dctx = sframe_decode (sframe_buf, sf_size, &err); 119 TEST("findfre-1: Decoder setup", dctx != NULL); 120 121 /* Find the third FRE in first FDE. */ 122 err = sframe_find_fre (dctx, (0xfffff03e + 0x15), &frep); 123 TEST("findfre-1: Find third FRE", 124 ((err == 0) && (sframe_fre_get_cfa_offset(dctx, &frep, &err) == 0x3))); 125 126 /* Find an FRE for PC at the end of range covered by FRE. */ 127 err = sframe_find_fre (dctx, (0xfffff03e + 0x9), &frep); 128 TEST("findfre-1: Find FRE for last PC covered by FRE", 129 ((err == 0) && (sframe_fre_get_cfa_offset(dctx, &frep, &err) == 0x2))); 130 131 /* Find the last FRE in first FDE. */ 132 err = sframe_find_fre (dctx, (0xfffff03e + 0x39), &frep); 133 TEST("findfre-1: Find last FRE", 134 ((err == 0) && (sframe_fre_get_cfa_offset(dctx, &frep, &err) == 0x8))); 135 136 /* Find the second FRE in second FDE. */ 137 err = sframe_find_fre (dctx, (0xfffff08e + 0x11), &frep); 138 TEST("findfre-1: Find second FRE", 139 ((err == 0) && (sframe_fre_get_cfa_offset(dctx, &frep, &err) == 0x12))); 140 141 /* Find the first FRE in second FDE. */ 142 err = sframe_find_fre (dctx, (0xfffff08e + 0x0), &frep); 143 TEST("findfre-1: Find first FRE", 144 ((err == 0) && (sframe_fre_get_cfa_offset(dctx, &frep, &err) == 0x10))); 145 146 /* Find FRE for PC out of range. Expect error code. */ 147 err = sframe_find_fre (dctx, (0xfffff03e + 0x40), &frep); 148 TEST("findfre-1: Find FRE for out of range PC", 149 (err == SFRAME_ERR)); 150 151 sframe_encoder_free (&encode); 152 sframe_decoder_free (&dctx); 153 154 return 0; 155} 156