1 //===-- sanitizer_freebsd.h -------------------------------------*- C++ -*-===// 2 // 3 // The LLVM Compiler Infrastructure 4 // 5 // This file is distributed under the University of Illinois Open Source 6 // License. See LICENSE.TXT for details. 7 // 8 //===----------------------------------------------------------------------===// 9 // 10 // This file is a part of Sanitizer runtime. It contains FreeBSD-specific 11 // definitions. 12 // 13 //===----------------------------------------------------------------------===// 14 15 #ifndef SANITIZER_FREEBSD_H 16 #define SANITIZER_FREEBSD_H 17 18 #include "sanitizer_internal_defs.h" 19 20 // x86-64 FreeBSD 9.2 and older define 'ucontext_t' incorrectly in 21 // 32-bit mode. 22 #if SANITIZER_FREEBSD && (SANITIZER_WORDSIZE == 32) 23 # include <osreldate.h> 24 # if __FreeBSD_version <= 902001 // v9.2 25 # include <link.h> 26 # include <sys/param.h> 27 # include <ucontext.h> 28 29 namespace __sanitizer { 30 31 typedef unsigned long long __xuint64_t; 32 33 typedef __int32_t __xregister_t; 34 35 typedef struct __xmcontext { 36 __xregister_t mc_onstack; 37 __xregister_t mc_gs; 38 __xregister_t mc_fs; 39 __xregister_t mc_es; 40 __xregister_t mc_ds; 41 __xregister_t mc_edi; 42 __xregister_t mc_esi; 43 __xregister_t mc_ebp; 44 __xregister_t mc_isp; 45 __xregister_t mc_ebx; 46 __xregister_t mc_edx; 47 __xregister_t mc_ecx; 48 __xregister_t mc_eax; 49 __xregister_t mc_trapno; 50 __xregister_t mc_err; 51 __xregister_t mc_eip; 52 __xregister_t mc_cs; 53 __xregister_t mc_eflags; 54 __xregister_t mc_esp; 55 __xregister_t mc_ss; 56 57 int mc_len; 58 int mc_fpformat; 59 int mc_ownedfp; 60 __xregister_t mc_flags; 61 62 int mc_fpstate[128] __aligned(16); 63 __xregister_t mc_fsbase; 64 __xregister_t mc_gsbase; 65 __xregister_t mc_xfpustate; 66 __xregister_t mc_xfpustate_len; 67 68 int mc_spare2[4]; 69 } xmcontext_t; 70 71 typedef struct __xucontext { 72 sigset_t uc_sigmask; 73 xmcontext_t uc_mcontext; 74 75 struct __ucontext *uc_link; 76 stack_t uc_stack; 77 int uc_flags; 78 int __spare__[4]; 79 } xucontext_t; 80 81 struct xkinfo_vmentry { 82 int kve_structsize; 83 int kve_type; 84 __xuint64_t kve_start; 85 __xuint64_t kve_end; 86 __xuint64_t kve_offset; 87 __xuint64_t kve_vn_fileid; 88 __uint32_t kve_vn_fsid; 89 int kve_flags; 90 int kve_resident; 91 int kve_private_resident; 92 int kve_protection; 93 int kve_ref_count; 94 int kve_shadow_count; 95 int kve_vn_type; 96 __xuint64_t kve_vn_size; 97 __uint32_t kve_vn_rdev; 98 __uint16_t kve_vn_mode; 99 __uint16_t kve_status; 100 int _kve_ispare[12]; 101 char kve_path[PATH_MAX]; 102 }; 103 104 typedef struct { 105 __uint32_t p_type; 106 __uint32_t p_offset; 107 __uint32_t p_vaddr; 108 __uint32_t p_paddr; 109 __uint32_t p_filesz; 110 __uint32_t p_memsz; 111 __uint32_t p_flags; 112 __uint32_t p_align; 113 } XElf32_Phdr; 114 115 struct xdl_phdr_info { 116 Elf_Addr dlpi_addr; 117 const char *dlpi_name; 118 const XElf32_Phdr *dlpi_phdr; 119 Elf_Half dlpi_phnum; 120 unsigned long long int dlpi_adds; 121 unsigned long long int dlpi_subs; 122 size_t dlpi_tls_modid; 123 void *dlpi_tls_data; 124 }; 125 126 typedef int (*__xdl_iterate_hdr_callback)(struct xdl_phdr_info*, size_t, void*); 127 typedef int xdl_iterate_phdr_t(__xdl_iterate_hdr_callback, void*); 128 129 #define xdl_iterate_phdr(callback, param) \ 130 (((xdl_iterate_phdr_t*) dl_iterate_phdr)((callback), (param))) 131 132 } // namespace __sanitizer 133 134 # endif // __FreeBSD_version <= 902001 135 #endif // SANITIZER_FREEBSD && (SANITIZER_WORDSIZE == 32) 136 137 #endif // SANITIZER_FREEBSD_H 138