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24 .\" $Id: elftc_bfd_find_target.3 2251 2011-11-30 16:50:06Z jkoshy $
28 .Dt ELFTC_BFD_FIND_TARGET
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"
53 .Fn elftc_bfd_find_target
54 locates a binary object descriptor corresponding to the descriptor
57 Binary object descriptors encapsulate properties of an object format
58 such as its file representation, ELF class, and byte endianness.
60 Known descriptor names and their properties include:
61 .Bl -column -offset "XXXX" ".Li elf32-x86-64-freebsd" "Object format" "Byte Order" "ELF Class"
62 .It Em Name Ta Em "Object Format" Ta Em "Byte Order" Ta Em "ELF Class"
63 .It Li binary Ta Binary Ta - Ta -
64 .It Li elf32-avr Ta ELF Ta LSB Ta 32
65 .It Li elf32-big Ta ELF Ta MSB Ta 32
66 .It Li elf32-bigarm Ta ELF Ta MSB Ta 32
67 .It Li elf32-bigmips Ta ELF Ta MSB Ta 32
68 .It Li elf32-i386 Ta ELF Ta LSB Ta 32
69 .It Li elf32-i386-freebsd Ta ELF Ta LSB Ta 32
70 .It Li elf32-ia64-big Ta ELF Ta MSB Ta 32
71 .It Li elf32-little Ta ELF Ta LSB Ta 32
72 .It Li elf32-littlearm Ta ELF Ta LSB Ta 32
73 .It Li elf32-littlemips Ta ELF Ta LSB Ta 32
74 .It Li elf32-powerpc Ta ELF Ta MSB Ta 32
75 .It Li elf32-powerpcle Ta ELF Ta LSB Ta 32
76 .It Li elf32-sh Ta ELF Ta MSB Ta 32
77 .It Li elf32-shl Ta ELF Ta LSB Ta 32
78 .It Li elf32-sh-nbsd Ta ELF Ta MSB Ta 32
79 .It Li elf32-shl-nbsd Ta ELF Ta LSB Ta 32
80 .It Li elf32-shbig-linux Ta ELF Ta MSB Ta 32
81 .It Li elf32-shl-linux Ta ELF Ta LSB Ta 32
82 .It Li elf32-sparc Ta ELF Ta MSB Ta 32
83 .It Li elf64-alpha Ta ELF Ta LSB Ta 64
84 .It Li elf64-alpha-freebsd Ta ELF Ta LSB Ta 64
85 .It Li elf64-big Ta ELF Ta MSB Ta 64
86 .It Li elf64-bigmips Ta ELF Ta MSB Ta 64
87 .It Li elf64-ia64-big Ta ELF Ta MSB Ta 64
88 .It Li elf64-ia64-little Ta ELF Ta LSB Ta 64
89 .It Li elf64-little Ta ELF Ta LSB Ta 64
90 .It Li elf64-littlemips Ta ELF Ta LSB Ta 64
91 .It Li elf64-powerpc Ta ELF Ta MSB Ta 64
92 .It Li elf64-powerpcle Ta ELF Ta LSB Ta 64
93 .It Li elf64-sh64 Ta ELF Ta MSB Ta 64
94 .It Li elf64-sh64l Ta ELF Ta LSB Ta 64
95 .It Li elf64-sh64-nbsd Ta ELF Ta MSB Ta 64
96 .It Li elf64-sh64l-nbsd Ta ELF Ta LSB Ta 64
97 .It Li elf64-sh64big-linux Ta ELF Ta MSB Ta 64
98 .It Li elf64-sh64-linux Ta ELF Ta LSB Ta 64
99 .It Li elf64-sparc Ta ELF Ta MSB Ta 64
100 .It Li elf64-sparc-freebsd Ta ELF Ta MSB Ta 64
101 .It Li elf64-x86-64 Ta ELF Ta LSB Ta 64
102 .It Li elf64-x86-64-freebsd Ta ELF Ta LSB Ta 64
103 .It Li ihex Ta IHEX Ta - Ta -
104 .It Li srec Ta SREC Ta - Ta -
105 .It Li symbolsrec Ta SREC Ta - Ta -
109 .Fn elftc_bfd_target_byteorder
110 returns the ELF byte order associated with target descriptor
114 .Fn elftc_bfd_target_class
115 returns the ELF class associated with target descriptor
119 .Fn elftc_bfd_target_flavor
120 returns the object format associated with target descriptor
122 The known object formats are:
123 .Bl -tag -offset "XXXX" -width ".Dv ETF_BINARY" -compact
133 An unknown object format.
135 An object encoded as S-records.
139 .Fn elftc_bfd_find_target
140 returns a valid pointer to an opaque binary target descriptor if
141 successful, or NULL in case of an error.
144 .Fn elftc_bfd_target_byteorder
145 returns the ELF byte order associated with the target descriptor; one of
151 .Fn elftc_bfd_target_class
152 returns the ELF class associated with the target descriptor; one of
158 .Fn elftc_bfd_target_machine
159 returns the ELF architecture associated with the target descriptor.
162 .Fn elftc_bfd_target_flavor
173 To return descriptor information associated with target name
176 .Bd -literal -offset indent
177 struct Elftc_Bfd_Target *t;
179 if ((t = elftc_bfd_find_target("elf64-big")) == NULL)
180 errx(EXIT_FAILURE, "Cannot find target descriptor");
182 printf("Class: %s\\n", elftc_bfd_target_class(t) == ELFCLASS32 ?
183 "ELFCLASS32" : "ELFCLASS64");
184 printf("Byteorder: %s\\n",
185 elftc_bfd_target_byteorder(t) == ELFDATA2LSB ? "LSB" : "MSB");
186 printf("Flavor: %d\\n", elftc_bfd_target_flavor(t));