summaryrefslogtreecommitdiffstats
path: root/tools/apriori/main.c
diff options
context:
space:
mode:
Diffstat (limited to 'tools/apriori/main.c')
-rw-r--r--tools/apriori/main.c229
1 files changed, 0 insertions, 229 deletions
diff --git a/tools/apriori/main.c b/tools/apriori/main.c
deleted file mode 100644
index 552392a..0000000
--- a/tools/apriori/main.c
+++ /dev/null
@@ -1,229 +0,0 @@
-/* TODO:
- 1. check the ARM EABI version--this works for versions 1 and 2.
- 2. use a more-intelligent approach to finding the symbol table,
- symbol-string table, and the .dynamic section.
- 3. fix the determination of the host and ELF-file endianness
- 4. write the help screen
-*/
-
-#include <stdio.h>
-#include <common.h>
-#include <debug.h>
-#include <libelf.h>
-#include <elf.h>
-#include <gelf.h>
-#include <cmdline.h>
-#include <string.h>
-#include <errno.h>
-#include <string.h>
-#include <sys/types.h>
-#include <sys/stat.h>
-#include <fcntl.h>
-#include <unistd.h>
-#include <apriori.h>
-#include <prelinkmap.h>
-
-/* Flag set by --verbose. This variable is global as it is accessed by the
- macro INFO() in multiple compilation unites. */
-int verbose_flag = 0;
-/* Flag set by --quiet. This variable is global as it is accessed by the
- macro PRINT() in multiple compilation unites. */
-int quiet_flag = 0;
-static void print_dynamic_symbols(Elf *elf, const char *symtab_name);
-
-static unsigned s_next_link_addr;
-static off_t s_addr_increment;
-
-static void report_library_size_in_memory(const char *name, off_t fsize)
-{
- ASSERT(s_next_link_addr != -1UL);
- INFO("Setting next link address (current is at 0x%08x):\n",
- s_next_link_addr);
- if (s_addr_increment) {
- FAILIF(s_addr_increment < fsize,
- "Command-line-specified address increment of 0x%08llx (%lld) "
- "less than file [%s]'s size of %lld bytes!\n",
- s_addr_increment, s_addr_increment, name, fsize);
- FAILIF(s_next_link_addr % 4096,
- "User-provided address increment 0x%08lx "
- "is not page-aligned!\n",
- s_addr_increment);
- INFO("\tignoring file size, adjusting by address increment.\n");
- s_next_link_addr += s_addr_increment;
- }
- else {
- INFO("\tuser address increment is zero, adjusting by file size.\n");
- s_next_link_addr += fsize;
- s_next_link_addr &= ~(4096 - 1);
- }
- INFO("\t[%s] file size 0x%08lx\n",
- name,
- fsize);
- INFO("\tnext prelink address: 0x%08x\n", s_next_link_addr);
- ASSERT(!(s_next_link_addr % 4096)); /* New address must be page-aligned */
-}
-
-static unsigned get_next_link_address(const char *name) {
- return s_next_link_addr;
-}
-
-int main(int argc, char **argv) {
- /* Do not issue INFO() statements before you call get_options() to set
- the verbose flag as necessary.
- */
-
- char **lookup_dirs, **default_libs;
- char *mapfile, *output, *prelinkmap;
- int start_addr, inc_addr, locals_only, num_lookup_dirs,
- num_default_libs, dry_run;
- int first = get_options(argc, argv,
- &start_addr, &inc_addr, &locals_only,
- &quiet_flag,
- &dry_run,
- &lookup_dirs, &num_lookup_dirs,
- &default_libs, &num_default_libs,
- &verbose_flag,
- &mapfile,
- &output,
- &prelinkmap);
-
- /* Perform some command-line-parameter checks. */
- int cmdline_err = 0;
- if (first == argc) {
- ERROR("You must specify at least one input ELF file!\n");
- cmdline_err++;
- }
- /* We complain when the user does not specify a start address for
- prelinking when the user does not pass the locals_only switch. The
- reason is that we will have a collection of executables, which we always
- prelink to zero, and shared libraries, which we prelink at the specified
- prelink address. When the user passes the locals_only switch, we do not
- fail if the user does not specify start_addr, because the file to
- prelink may be an executable, and not a shared library. At this moment,
- we do not know what the case is. We find that out when we call function
- init_source().
- */
- if (!locals_only && start_addr == -1) {
- ERROR("You must specify --start-addr!\n");
- cmdline_err++;
- }
- if (start_addr == -1 && inc_addr != -1) {
- ERROR("You must provide a start address if you provide an "
- "address increment!\n");
- cmdline_err++;
- }
- if (prelinkmap != NULL && start_addr != -1) {
- ERROR("You may not provide a prelink-map file (-p) and use -s/-i "
- "at the same time!\n");
- cmdline_err++;
- }
- if (inc_addr == 0) {
- ERROR("You may not specify a link-address increment of zero!\n");
- cmdline_err++;
- }
- if (locals_only) {
- if (argc - first == 1) {
- if (inc_addr != -1) {
- ERROR("You are prelinking a single file; there is no point in "
- "specifying a prelink-address increment!\n");
- /* This is nonfatal error, but paranoia is healthy. */
- cmdline_err++;
- }
- }
- if (lookup_dirs != NULL || default_libs != NULL) {
- ERROR("You are prelinking local relocations only; there is "
- "no point in specifying lookup directories!\n");
- /* This is nonfatal error, but paranoia is healthy. */
- cmdline_err++;
- }
- }
-
- /* If there is an output option, then that must specify a file, if there is
- a single input file, or a directory, if there are multiple input
- files. */
- if (output != NULL) {
- struct stat output_st;
- FAILIF(stat(output, &output_st) < 0 && errno != ENOENT,
- "stat(%s): %s (%d)\n",
- output,
- strerror(errno),
- errno);
-
- if (argc - first == 1) {
- FAILIF(!errno && !S_ISREG(output_st.st_mode),
- "you have a single input file: -o must specify a "
- "file name!\n");
- }
- else {
- FAILIF(errno == ENOENT,
- "you have multiple input files: -o must specify a "
- "directory name, but %s does not exist!\n",
- output);
- FAILIF(!S_ISDIR(output_st.st_mode),
- "you have multiple input files: -o must specify a "
- "directory name, but %s is not a directory!\n",
- output);
- }
- }
-
- if (cmdline_err) {
- print_help(argv[0]);
- FAILIF(1, "There are command-line-option errors.\n");
- }
-
- /* Check to see whether the ELF library is current. */
- FAILIF (elf_version(EV_CURRENT) == EV_NONE, "libelf is out of date!\n");
-
- if (inc_addr < 0) {
- if (!locals_only)
- PRINT("User has not provided an increment address, "
- "will use library size to calculate successive "
- "prelink addresses.\n");
- inc_addr = 0;
- }
-
- void (*func_report_library_size_in_memory)(const char *name, off_t fsize);
- unsigned (*func_get_next_link_address)(const char *name);
-
- if (prelinkmap != NULL) {
- INFO("Reading prelink addresses from prelink-map file [%s].\n",
- prelinkmap);
- pm_init(prelinkmap);
- func_report_library_size_in_memory = pm_report_library_size_in_memory;
- func_get_next_link_address = pm_get_next_link_address;
- }
- else {
- INFO("Start address: 0x%x\n", start_addr);
- INFO("Increment address: 0x%x\n", inc_addr);
- s_next_link_addr = start_addr;
- s_addr_increment = inc_addr;
- func_report_library_size_in_memory = report_library_size_in_memory;
- func_get_next_link_address = get_next_link_address;
- }
-
- /* Prelink... */
- apriori(&argv[first], argc - first, output,
- func_report_library_size_in_memory, func_get_next_link_address,
- locals_only,
- dry_run,
- lookup_dirs, num_lookup_dirs,
- default_libs, num_default_libs,
- mapfile);
-
- FREEIF(mapfile);
- FREEIF(output);
- if (lookup_dirs) {
- ASSERT(num_lookup_dirs);
- while (num_lookup_dirs--)
- FREE(lookup_dirs[num_lookup_dirs]);
- FREE(lookup_dirs);
- }
- if (default_libs) {
- ASSERT(num_default_libs);
- while (num_default_libs--)
- FREE(default_libs[num_default_libs]);
- FREE(default_libs);
- }
-
- return 0;
-}
generated by cgit v1.1 at 2024-09-16 16:02:07 +0000