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path: root/ldso/util/readsoname2.c
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Diffstat (limited to 'ldso/util/readsoname2.c')
-rw-r--r--ldso/util/readsoname2.c115
1 files changed, 0 insertions, 115 deletions
diff --git a/ldso/util/readsoname2.c b/ldso/util/readsoname2.c
deleted file mode 100644
index 1bf47b7c6..000000000
--- a/ldso/util/readsoname2.c
+++ /dev/null
@@ -1,115 +0,0 @@
-char *readsonameXX(char *name, FILE *infile, int expected_type, int *type)
-{
- ElfW(Ehdr) *epnt;
- ElfW(Phdr) *ppnt;
- int i, j;
- char *header;
- ElfW(Word) dynamic_addr = 0;
- ElfW(Word) dynamic_size = 0;
- unsigned long page_size = getpagesize();
- ElfW(Word) strtab_val = 0;
- ElfW(Word) needed_val;
- ElfW(Sword) loadaddr = -1;
- ElfW(Dyn) *dpnt;
- struct stat st;
- char *needed;
- char *soname = NULL;
- int multi_libcs = 0;
-
- if(expected_type == LIB_DLL)
- {
- warn("%s does not match type specified for directory!", name);
- expected_type = LIB_ANY;
- }
-
- *type = LIB_ELF;
-
- if (fstat(fileno(infile), &st))
- return NULL;
- header = mmap(0, st.st_size, PROT_READ, MAP_SHARED, fileno(infile), 0);
- if (header == (caddr_t)-1)
- return NULL;
-
- epnt = (ElfW(Ehdr) *)header;
- if ((char *)(epnt+1) > (char *)(header + st.st_size))
- goto skip;
-
- ppnt = (ElfW(Phdr) *)&header[epnt->e_phoff];
- if ((char *)ppnt < (char *)header ||
- (char *)(ppnt+epnt->e_phnum) > (char *)(header + st.st_size))
- goto skip;
-
- for(i = 0; i < epnt->e_phnum; i++)
- {
- if (loadaddr == -1 && ppnt->p_type == PT_LOAD)
- loadaddr = (ppnt->p_vaddr & ~(page_size-1)) -
- (ppnt->p_offset & ~(page_size-1));
- if(ppnt->p_type == 2)
- {
- dynamic_addr = ppnt->p_offset;
- dynamic_size = ppnt->p_filesz;
- };
- ppnt++;
- };
-
- dpnt = (ElfW(Dyn) *) &header[dynamic_addr];
- dynamic_size = dynamic_size / sizeof(ElfW(Dyn));
- if ((char *)dpnt < (char *)header ||
- (char *)(dpnt+dynamic_size) > (char *)(header + st.st_size))
- goto skip;
-
- while (dpnt->d_tag != DT_NULL)
- {
- if (dpnt->d_tag == DT_STRTAB)
- strtab_val = dpnt->d_un.d_val;
- dpnt++;
- };
-
- if (!strtab_val)
- goto skip;
-
- dpnt = (ElfW(Dyn) *) &header[dynamic_addr];
- while (dpnt->d_tag != DT_NULL)
- {
- if (dpnt->d_tag == DT_SONAME || dpnt->d_tag == DT_NEEDED)
- {
- needed_val = dpnt->d_un.d_val;
- if (needed_val + strtab_val - loadaddr >= 0 ||
- needed_val + strtab_val - loadaddr < st.st_size)
- {
- needed = (char *) (header - loadaddr + strtab_val + needed_val);
-
- if (dpnt->d_tag == DT_SONAME)
- soname = xstrdup(needed);
-
- for (j = 0; needed_tab[j].soname != NULL; j++)
- {
- if (strcmp(needed, needed_tab[j].soname) == 0)
- {
- if (*type != LIB_ELF && *type != needed_tab[j].type)
- multi_libcs = 1;
- *type = needed_tab[j].type;
- }
- }
- }
- }
- dpnt++;
- };
-
- if (multi_libcs)
- warn("%s appears to be for multiple libc's", name);
-
- /* If we could not deduce the libc type, and we know what to expect, set the type */
- if(*type == LIB_ELF && expected_type != LIB_ANY) *type = expected_type;
-
- if(expected_type != LIB_ANY && expected_type != LIB_ELF &&
- expected_type != *type)
- {
- warn("%s does not match type specified for directory!", name);
- }
-
- skip:
- munmap(header, st.st_size);
-
- return soname;
-}