1 /* plt-findfre-1.c -- Test for sframe_find_fre for SFRAME_FDE_TYPE_PCMASK. 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 30 static int 31 add_plt_fde1 (sframe_encoder_ctx *ectx, int idx) 32 { 33 int i, err; 34 /* A contiguous block containing 3 FREs. The start_ip_offset must remain 35 less than 16 bytes. */ 36 sframe_frame_row_entry fres[] 37 = { {0x0, {0x1, 0, 0}, 0x3}, 38 {0x6, {0x2, 0xf0, 0}, 0x5}, 39 {0xc, {0x3, 0xf0, 0}, 0x4} 40 }; 41 42 unsigned char finfo = sframe_fde_create_func_info (SFRAME_FRE_TYPE_ADDR1, 43 SFRAME_FDE_TYPE_PCMASK); 44 /* 5 pltN entries of 16 bytes each. */ 45 err = sframe_encoder_add_funcdesc_v2 (ectx, 0x1000, 16*5, finfo, 16, 3); 46 if (err == -1) 47 return err; 48 49 for (i = 0; i < 3; i++) 50 if (sframe_encoder_add_fre (ectx, idx, fres+i) == SFRAME_ERR) 51 return -1; 52 53 return 0; 54 } 55 56 int main (void) 57 { 58 sframe_encoder_ctx *ectx; 59 sframe_decoder_ctx *dctx; 60 sframe_frame_row_entry frep; 61 char *sframe_buf; 62 size_t sf_size; 63 int err = 0; 64 unsigned int fde_cnt = 0; 65 66 #define TEST(name, cond) \ 67 do \ 68 { \ 69 if (cond) \ 70 pass (name); \ 71 else \ 72 fail (name); \ 73 } \ 74 while (0) 75 76 ectx = sframe_encode (SFRAME_VERSION, 0, SFRAME_ABI_AMD64_ENDIAN_LITTLE, 77 SFRAME_CFA_FIXED_FP_INVALID, 78 -8, /* Fixed RA offset for AMD64. */ 79 &err); 80 81 err = add_plt_fde1 (ectx, 0); 82 TEST ("plt-findfre-1: Adding FDE1 for plt", err == 0); 83 84 fde_cnt = sframe_encoder_get_num_fidx (ectx); 85 TEST ("plt-findfre-1: Test FDE count", fde_cnt == 1); 86 87 sframe_buf = sframe_encoder_write (ectx, &sf_size, &err); 88 TEST ("plt-findfre-1: Encoder write", err == 0); 89 90 dctx = sframe_decode (sframe_buf, sf_size, &err); 91 TEST("plt-findfre-1: Decoder setup", dctx != NULL); 92 93 /* Find the first FRE in PLT1. */ 94 err = sframe_find_fre (dctx, (0x1000 + 0x0), &frep); 95 TEST("plt-findfre-1: Find first FRE in PLT1", 96 ((err == 0) && (sframe_fre_get_cfa_offset (dctx, &frep, &err) == 0x1))); 97 98 /* Find the second FRE. */ 99 err = sframe_find_fre (dctx, (0x1000 + 0x6), &frep); 100 TEST("plt-findfre-1: Find second FRE in PLT1", 101 ((err == 0) && (sframe_fre_get_cfa_offset (dctx, &frep, &err) == 0x2))); 102 103 /* Find the last FRE. */ 104 err = sframe_find_fre (dctx, (0x1000 + 0xc), &frep); 105 TEST("plt-findfre-1: Find last FRE in PLT1", 106 ((err == 0) && (sframe_fre_get_cfa_offset (dctx, &frep, &err) == 0x3))); 107 108 /* Find the first FRE in PLT4. */ 109 err = sframe_find_fre (dctx, (0x1000 + 16*3 + 0x0), &frep); 110 TEST("plt-findfre-1: Find first FRE in PLT4", 111 ((err == 0) && (sframe_fre_get_cfa_offset (dctx, &frep, &err) == 0x1))); 112 113 /* Find the second FRE in PLT4. */ 114 err = sframe_find_fre (dctx, (0x1000 + 16*3 + 0x6), &frep); 115 TEST("plt-findfre-1: Find second FRE in PLT4", 116 ((err == 0) && (sframe_fre_get_cfa_offset (dctx, &frep, &err) == 0x2))); 117 118 /* Find the last FRE in PLT4. */ 119 err = sframe_find_fre (dctx, (0x1000 + 16*3 + 0xc), &frep); 120 TEST("plt-findfre-1: Find last FRE in PLT4", 121 ((err == 0) && (sframe_fre_get_cfa_offset (dctx, &frep, &err) == 0x3))); 122 123 sframe_encoder_free (&ectx); 124 sframe_decoder_free (&dctx); 125 126 return 0; 127 } 128