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24 .\" $Id: elftc_bfd_find_target.3 3752 2019-06-28 01:12:53Z emaste $
27 .Dt ELFTC_BFD_FIND_TARGET 3
30 .Nm elftc_bfd_find_target ,
31 .Nm elftc_bfd_target_byteorder ,
32 .Nm elftc_bfd_target_class ,
33 .Nm elftc_bfd_target_flavor ,
34 .Nm elftc_bfd_target_machine
35 .Nd binary object descriptor handling
40 .Vt struct Elftc_Bfd_Target;
41 .Ft "Elftc_Bfd_Target *"
42 .Fn elftc_bfd_find_target "const char *target_name"
44 .Fn elftc_bfd_target_class "Elftc_Bfd_Target *target"
46 .Fn elftc_bfd_target_byteorder "Elftc_Bfd_Target *target"
47 .Ft Elftc_Bfd_Target_Flavor
48 .Fn elftc_bfd_target_flavor "Elftc_Bfd_Target *target"
50 .Fn elftc_bfd_target_machine "Elftc_Bfd_Target *target"
52 .Fn elftc_bfd_target_osabi "Elftc_Bfd_Target *target"
55 .Fn elftc_bfd_find_target
56 locates a binary object descriptor corresponding to the descriptor
59 Binary object descriptors encapsulate properties of an object format
60 such as its file representation, ELF class, and byte endianness.
62 Known descriptor names and their properties include:
63 .Bl -column -offset "XXXX" ".Li elf32-x86-64-freebsd" "Object format" "Byte Order" "Bit Width"
64 .It Em Name Ta Em "Object Format" Ta Em "Byte Order" Ta Em "Bit Width"
65 .It Li binary Ta Binary Ta - Ta -
66 .It Li efi-app-ia32 Ta PE Ta LSB Ta 32
67 .It Li efi-app-x86_64 Ta PE Ta LSB Ta 64
68 .It Li elf32-avr Ta ELF Ta LSB Ta 32
69 .It Li elf32-big Ta ELF Ta MSB Ta 32
70 .It Li elf32-bigarm Ta ELF Ta MSB Ta 32
71 .It Li elf32-bigmips Ta ELF Ta MSB Ta 32
72 .It Li elf32-i386 Ta ELF Ta LSB Ta 32
73 .It Li elf32-i386-freebsd Ta ELF Ta LSB Ta 32
74 .It Li elf32-ia64-big Ta ELF Ta MSB Ta 32
75 .It Li elf32-little Ta ELF Ta LSB Ta 32
76 .It Li elf32-littlearm Ta ELF Ta LSB Ta 32
77 .It Li elf32-littlemips Ta ELF Ta LSB Ta 32
78 .It Li elf32-powerpc Ta ELF Ta MSB Ta 32
79 .It Li elf32-powerpc-freebsd Ta ELF Ta MSB Ta 32
80 .It Li elf32-powerpcle Ta ELF Ta LSB Ta 32
81 .It Li elf32-riscv Ta ELF Ta LSB Ta 32
82 .It Li elf64-riscv Ta ELF Ta LSB Ta 64
83 .It Li elf64-riscv-freebsd Ta ELF Ta LSB Ta 64
84 .It Li elf32-sh Ta ELF Ta MSB Ta 32
85 .It Li elf32-shl Ta ELF Ta LSB Ta 32
86 .It Li elf32-sh-nbsd Ta ELF Ta MSB Ta 32
87 .It Li elf32-shl-nbsd Ta ELF Ta LSB Ta 32
88 .It Li elf32-shbig-linux Ta ELF Ta MSB Ta 32
89 .It Li elf32-shl-linux Ta ELF Ta LSB Ta 32
90 .It Li elf32-sparc Ta ELF Ta MSB Ta 32
91 .It Li elf32-tradbigmips Ta ELF Ta MSB Ta 32
92 .It Li elf32-tradlittlemips Ta ELF Ta LSB Ta 32
93 .It Li elf64-alpha Ta ELF Ta LSB Ta 64
94 .It Li elf64-alpha-freebsd Ta ELF Ta LSB Ta 64
95 .It Li elf64-big Ta ELF Ta MSB Ta 64
96 .It Li elf64-bigmips Ta ELF Ta MSB Ta 64
97 .It Li elf64-ia64-big Ta ELF Ta MSB Ta 64
98 .It Li elf64-ia64-little Ta ELF Ta LSB Ta 64
99 .It Li elf64-little Ta ELF Ta LSB Ta 64
100 .It Li elf64-littleaarch64 Ta ELF Ta LSB Ta 64
101 .It Li elf64-littlemips Ta ELF Ta LSB Ta 64
102 .It Li elf64-powerpc Ta ELF Ta MSB Ta 64
103 .It Li elf64-powerpc-freebsd Ta ELF Ta MSB Ta 64
104 .It Li elf64-powerpcle Ta ELF Ta LSB Ta 64
105 .It Li elf64-sh64 Ta ELF Ta MSB Ta 64
106 .It Li elf64-sh64l Ta ELF Ta LSB Ta 64
107 .It Li elf64-sh64-nbsd Ta ELF Ta MSB Ta 64
108 .It Li elf64-sh64l-nbsd Ta ELF Ta LSB Ta 64
109 .It Li elf64-sh64big-linux Ta ELF Ta MSB Ta 64
110 .It Li elf64-sh64-linux Ta ELF Ta LSB Ta 64
111 .It Li elf64-sparc Ta ELF Ta MSB Ta 64
112 .It Li elf64-sparc-freebsd Ta ELF Ta MSB Ta 64
113 .It Li elf64-tradbigmips Ta ELF Ta MSB Ta 64
114 .It Li elf64-tradlittlemips Ta ELF Ta LSB Ta 64
115 .It Li elf64-x86-64 Ta ELF Ta LSB Ta 64
116 .It Li elf64-x86-64-freebsd Ta ELF Ta LSB Ta 64
117 .It Li ihex Ta IHEX Ta - Ta -
118 .It Li pei-i386 Ta PE Ta LSB Ta 32
119 .It Li pei-x86-64 Ta PE Ta LSB Ta 64
120 .It Li srec Ta SREC Ta - Ta -
121 .It Li symbolsrec Ta SREC Ta - Ta -
125 .Fn elftc_bfd_target_byteorder
126 returns the ELF byte order associated with target descriptor
130 .Fn elftc_bfd_target_class
131 returns the ELF class associated with target descriptor
135 .Fn elftc_bfd_target_flavor
136 returns the object format associated with target descriptor
138 The known object formats are:
139 .Bl -tag -offset "XXXX" -width ".Dv ETF_BINARY" -compact
149 An unknown object format.
151 An object encoded as S-records.
155 .Fn elftc_bfd_find_target
156 returns a valid pointer to an opaque binary target descriptor if
157 successful, or NULL in case of an error.
160 .Fn elftc_bfd_target_byteorder
161 returns the ELF byte order associated with the target descriptor; one of
167 .Fn elftc_bfd_target_class
168 returns the ELF class associated with the target descriptor; one of
174 .Fn elftc_bfd_target_machine
175 returns the ELF architecture associated with the target descriptor.
178 .Fn elftc_bfd_target_flavor
189 To return descriptor information associated with target name
192 .Bd -literal -offset indent
193 struct Elftc_Bfd_Target *t;
195 if ((t = elftc_bfd_find_target("elf64-big")) == NULL)
196 errx(EXIT_FAILURE, "Cannot find target descriptor");
198 printf("Class: %s\\n", elftc_bfd_target_class(t) == ELFCLASS32 ?
199 "ELFCLASS32" : "ELFCLASS64");
200 printf("Byteorder: %s\\n",
201 elftc_bfd_target_byteorder(t) == ELFDATA2LSB ? "LSB" : "MSB");
202 printf("Flavor: %d\\n", elftc_bfd_target_flavor(t));