diff options
author | 2015-08-28 09:58:54 +0800 | |
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committer | 2015-09-01 12:44:00 +0800 | |
commit | e44e3482bdb4d0ebde2d8b41830ac2cdb07948fb (patch) | |
tree | 66b09f592c55df2878107a468a91d21506104d3f /qemu/roms/ipxe/src/util/einfo.c | |
parent | 9ca8dbcc65cfc63d6f5ef3312a33184e1d726e00 (diff) |
Add qemu 2.4.0
Change-Id: Ic99cbad4b61f8b127b7dc74d04576c0bcbaaf4f5
Signed-off-by: Yang Zhang <yang.z.zhang@intel.com>
Diffstat (limited to 'qemu/roms/ipxe/src/util/einfo.c')
-rw-r--r-- | qemu/roms/ipxe/src/util/einfo.c | 175 |
1 files changed, 175 insertions, 0 deletions
diff --git a/qemu/roms/ipxe/src/util/einfo.c b/qemu/roms/ipxe/src/util/einfo.c new file mode 100644 index 000000000..d21558980 --- /dev/null +++ b/qemu/roms/ipxe/src/util/einfo.c @@ -0,0 +1,175 @@ +/* + * Copyright (C) 2010 Michael Brown <mbrown@fensystems.co.uk>. + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License as + * published by the Free Software Foundation; either version 2 of the + * License, or any later version. + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA + * 02110-1301, USA. + */ + +#include <stddef.h> +#include <stdint.h> +#include <stdlib.h> +#include <stdio.h> +#include <string.h> +#include <errno.h> +#include <sys/types.h> +#include <sys/stat.h> +#include <sys/mman.h> +#include <unistd.h> +#include <fcntl.h> +#include <getopt.h> + +#define eprintf(...) fprintf ( stderr, __VA_ARGS__ ) + +/** Command-line options */ +struct options { +}; + +/** Error usage information */ +struct einfo { + /** Size of error information record */ + uint32_t size; + /** Error number */ + uint32_t error; + /** Offset to error description (NUL-terminated) */ + uint32_t desc; + /** Offset to file name (NUL-terminated) */ + uint32_t file; + /** Line number */ + uint32_t line; +} __attribute__ (( packed )); + +/** + * Process einfo file + * + * @v infile Filename + * @v opts Command-line options + */ +static void einfo ( const char *infile, + struct options *opts __attribute__ (( unused )) ) { + int fd; + struct stat stat; + size_t len; + void *start; + struct einfo *einfo; + + /* Open einfo file */ + if ( ( fd = open ( infile, O_RDONLY ) ) < 0 ) { + eprintf ( "Cannot open \"%s\": %s\n", + infile, strerror ( errno ) ); + exit ( 1 ); + } + + /* Get file size */ + if ( fstat ( fd, &stat ) < 0 ) { + eprintf ( "Cannot stat \"%s\": %s\n", + infile, strerror ( errno ) ); + exit ( 1 ); + } + len = stat.st_size; + + if ( len ) { + + /* Map file */ + if ( ( start = mmap ( NULL, len, PROT_READ, MAP_SHARED, + fd, 0 ) ) == MAP_FAILED ) { + eprintf ( "Cannot mmap \"%s\": %s\n", + infile, strerror ( errno ) ); + exit ( 1 ); + } + + /* Iterate over einfo records */ + for ( einfo = start ; ( ( void * ) einfo ) < ( start + len ) ; + einfo = ( ( ( void * ) einfo ) + einfo->size ) ) { + printf ( "%08x\t%s\t%d\t%s\n", einfo->error, + ( ( ( char * ) einfo ) + einfo->file ), + einfo->line, + ( ( ( char * ) einfo ) + einfo->desc ) ); + } + + /* Unmap file */ + munmap ( start, len ); + } + + /* Close file */ + close ( fd ); +} + +/** + * Print help + * + * @v program_name Program name + */ +static void print_help ( const char *program_name ) { + eprintf ( "Syntax: %s file1.einfo [file2.einfo...]\n", + program_name ); +} + +/** + * Parse command-line options + * + * @v argc Argument count + * @v argv Argument list + * @v opts Options structure to populate + */ +static int parse_options ( const int argc, char **argv, + struct options *opts __attribute__ (( unused )) ) { + int c; + + while (1) { + int option_index = 0; + static struct option long_options[] = { + { "help", 0, NULL, 'h' }, + { 0, 0, 0, 0 } + }; + + if ( ( c = getopt_long ( argc, argv, "s:h", + long_options, + &option_index ) ) == -1 ) { + break; + } + + switch ( c ) { + case 'h': + print_help ( argv[0] ); + exit ( 0 ); + case '?': + default: + exit ( 2 ); + } + } + return optind; +} + +int main ( int argc, char **argv ) { + struct options opts = { + }; + int infile_index; + const char *infile; + + /* Parse command-line arguments */ + infile_index = parse_options ( argc, argv, &opts ); + if ( argc <= infile_index ) { + print_help ( argv[0] ); + exit ( 2 ); + } + + /* Process each einfo file */ + for ( ; infile_index < argc ; infile_index++ ) { + infile = argv[infile_index]; + einfo ( infile, &opts ); + } + + return 0; +} |