diff options
Diffstat (limited to 'bfd/archures.c')
| -rw-r--r-- | bfd/archures.c | 122 |
1 files changed, 60 insertions, 62 deletions
diff --git a/bfd/archures.c b/bfd/archures.c index 1d72ce5..d58e332 100644 --- a/bfd/archures.c +++ b/bfd/archures.c @@ -24,17 +24,16 @@ Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */ SECTION Architectures - BFD's idea of an architecture is implimented in - <<archures.c>>. BFD keeps one atom in a BFD describing the - architecture of the data attached to the BFD; a pointer to a + BFD keeps one atom in a BFD describing the + architecture of the data attached to the BFD: a pointer to a <<bfd_arch_info_type>>. - Pointers to structures can be requested independently of a bfd + Pointers to structures can be requested independently of a BFD so that an architecture's information can be interrogated - without access to an open bfd. + without access to an open BFD. - The arch information is provided by each architecture package. - The set of default architectures is selected by the #define + The architecture information is provided by each architecture package. + The set of default architectures is selected by the macro <<SELECT_ARCHITECTURES>>. This is normally set up in the <<config/target.mt>> file of your choice. If the name is not defined, then all the architectures supported are included. @@ -44,6 +43,8 @@ SECTION insert as many items into the list of architectures as it wants to; generally this would be one for each machine and one for the default case (an item with a machine field of 0). + + BFD's idea of an architecture is implemented in <<archures.c>>. */ /* @@ -53,11 +54,11 @@ SUBSECTION DESCRIPTION This enum gives the object file's CPU architecture, in a - global sense --- i.e., what processor family does it belong to? - There is another field, which indicates what processor within + global sense---i.e., what processor family does it belong to? + Another field indicates which processor within the family is in use. The machine gives a number which - distingushes different versions of the architecture, - containing for example 2 and 3 for Intel i960 KA and i960 KB, + distinguishes different versions of the architecture, + containing, for example, 2 and 3 for Intel i960 KA and i960 KB, and 68020 and 68030 for Motorola 68020 and 68030. .enum bfd_architecture @@ -166,7 +167,7 @@ SYNOPSIS DESCRIPTION Return a printable string representing the architecture and machine - from the pointer to the arch info structure + from the pointer to the architecture info structure. */ @@ -184,12 +185,11 @@ FUNCTION bfd_scan_arch SYNOPSIS - bfd_arch_info_type *bfd_scan_arch(CONST char *); + bfd_arch_info_type *bfd_scan_arch(CONST char *string); DESCRIPTION - This routine is provided with a string and tries to work out - if bfd supports any cpu which could be described with the name - provided. The routine returns a pointer to an arch_info + Figure out if BFD supports any cpu which could be described with + the name @var{string}. Return a pointer to an <<arch_info>> structure if a machine is found, otherwise NULL. */ @@ -223,11 +223,11 @@ SYNOPSIS CONST bfd *bbfd); DESCRIPTION - This routine is used to determine whether two BFDs' - architectures and achine types are compatible. It calculates + Determine whether two BFDs' + architectures and machine types are compatible. Calculates the lowest common denominator between the two architectures and machine types implied by the BFDs and returns a pointer to - an arch_info structure describing the compatible machine. + an <<arch_info>> structure describing the compatible machine. */ CONST bfd_arch_info_type * @@ -268,8 +268,10 @@ FUNCTION bfd_set_arch_info SYNOPSIS - void bfd_set_arch_info(bfd *, bfd_arch_info_type *); + void bfd_set_arch_info(bfd *abfd, bfd_arch_info_type *arg); +DESCRIPTION + Set the architecture info of @var{abfd} to @var{arg}. */ void DEFUN(bfd_set_arch_info,(abfd, arg), @@ -289,8 +291,9 @@ SYNOPSIS unsigned long mach); DESCRIPTION - Set the architecture and machine type in a bfd. This finds the - correct pointer to structure and inserts it into the arch_info + Set the architecture and machine type in BFD @var{abfd} + to @var{arch} and @var{mach}. Find the correct + pointer to a structure and insert it into the <<arch_info>> pointer. */ @@ -333,9 +336,6 @@ boolean DEFUN(bfd_default_set_arch_mach,(abfd, arch, mach), } - - - /* FUNCTION bfd_get_arch @@ -344,8 +344,8 @@ SYNOPSIS enum bfd_architecture bfd_get_arch(bfd *abfd); DESCRIPTION - Returns the enumerated type which describes the supplied bfd's - architecture + Return the enumerated type which describes the BFD @var{abfd}'s + architecture. */ @@ -362,8 +362,8 @@ SYNOPSIS unsigned long bfd_get_mach(bfd *abfd); DESCRIPTION - Returns the long type which describes the supplied bfd's - machine + Return the long type which describes the BFD @var{abfd}'s + machine. */ unsigned long @@ -380,14 +380,15 @@ SYNOPSIS unsigned int bfd_arch_bits_per_byte(bfd *abfd); DESCRIPTION - Returns the number of bits in one of the architectures bytes + Return the number of bits in one of the BFD @var{abfd}'s + architecture's bytes. */ unsigned int DEFUN(bfd_arch_bits_per_byte, (abfd), bfd *abfd) - { - return abfd->arch_info->bits_per_byte; - } +{ + return abfd->arch_info->bits_per_byte; +} /* FUNCTION @@ -397,33 +398,32 @@ SYNOPSIS unsigned int bfd_arch_bits_per_address(bfd *abfd); DESCRIPTION - Returns the number of bits in one of the architectures addresses + Return the number of bits in one of the BFD @var{abfd}'s + architecture's addresses. */ unsigned int DEFUN(bfd_arch_bits_per_address, (abfd), bfd *abfd) - { - return abfd->arch_info->bits_per_address; - } - +{ + return abfd->arch_info->bits_per_address; +} +extern void bfd_a29k_arch PARAMS ((void)); +extern void bfd_alpha_arch PARAMS ((void)); extern void bfd_h8300_arch PARAMS ((void)); -extern void bfd_sh_arch PARAMS ((void)); extern void bfd_h8500_arch PARAMS ((void)); -extern void bfd_alpha_arch PARAMS ((void)); +extern void bfd_hppa_arch PARAMS ((void)); +extern void bfd_i386_arch PARAMS ((void)); extern void bfd_i960_arch PARAMS ((void)); -extern void bfd_empty_arch PARAMS ((void)); -extern void bfd_sparc_arch PARAMS ((void)); -extern void bfd_m88k_arch PARAMS ((void)); extern void bfd_m68k_arch PARAMS ((void)); -extern void bfd_vax_arch PARAMS ((void)); -extern void bfd_a29k_arch PARAMS ((void)); +extern void bfd_m88k_arch PARAMS ((void)); extern void bfd_mips_arch PARAMS ((void)); -extern void bfd_i386_arch PARAMS ((void)); extern void bfd_rs6000_arch PARAMS ((void)); -extern void bfd_hppa_arch PARAMS ((void)); -extern void bfd_z8k_arch PARAMS ((void)); +extern void bfd_sh_arch PARAMS ((void)); +extern void bfd_sparc_arch PARAMS ((void)); +extern void bfd_vax_arch PARAMS ((void)); extern void bfd_we32k_arch PARAMS ((void)); +extern void bfd_z8k_arch PARAMS ((void)); static void (*archures_init_table[]) PARAMS ((void)) = { @@ -457,10 +457,10 @@ INTERNAL_FUNCTION bfd_arch_init SYNOPSIS - void bfd_arch_init(void); + void bfd_arch_init(void); DESCRIPTION - This routine initializes the architecture dispatch table by + Initialize the architecture dispatch table by calling all installed architecture packages and getting them to poke around. */ @@ -483,10 +483,10 @@ INTERNAL_FUNCTION bfd_arch_linkin SYNOPSIS - void bfd_arch_linkin(bfd_arch_info_type *); + void bfd_arch_linkin(bfd_arch_info_type *ptr); DESCRIPTION - Link the provided arch info structure into the list + Link the architecture info structure @var{ptr} into the list. */ void DEFUN(bfd_arch_linkin,(ptr), @@ -532,7 +532,7 @@ INTERNAL_FUNCTION bfd_default_scan SYNOPSIS - boolean bfd_default_scan(CONST struct bfd_arch_info *, CONST char *); + boolean bfd_default_scan(CONST struct bfd_arch_info *info, CONST char *string); DESCRIPTION The default function for working out whether this is an @@ -649,16 +649,15 @@ CONST char *string) } - - /* FUNCTION bfd_get_arch_info - SYNOPSIS - bfd_arch_info_type * bfd_get_arch_info(bfd *); + bfd_arch_info_type * bfd_get_arch_info(bfd *abfd); +DESCRIPTION + Return the architecture info struct in @var{abfd}. */ bfd_arch_info_type * @@ -680,8 +679,8 @@ SYNOPSIS long machine); DESCRIPTION - Look for the architecure info struct which matches the - arguments given. A machine of 0 will match the + Look for the architecure info structure which matches the + arguments @var{arch} and @var{machine}. A machine of 0 matches the machine/architecture structure which marks itself as the default. */ @@ -706,20 +705,19 @@ long machine) } - /* FUNCTION bfd_printable_arch_mach SYNOPSIS - CONST char * bfd_printable_arch_mach + CONST char *bfd_printable_arch_mach (enum bfd_architecture arch, unsigned long machine); DESCRIPTION Return a printable string representing the architecture and machine type. - NB. The use of this routine is depreciated. + This routine is depreciated. */ CONST char * |