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authorDavid E. O'Brien <obrien@FreeBSD.org>1998-12-01 09:42:46 +0000
committerDavid E. O'Brien <obrien@FreeBSD.org>1998-12-01 09:42:46 +0000
commit279cf52593918c108d7320c4c63a753c1a8804b9 (patch)
tree55e8b8e9810a46e9620de6e46a3a565fc1834c29 /devel/mprof
parent6dda0fcb76e8763425d4ec5177e823f7e4b36e32 (diff)
downloadports-279cf52593918c108d7320c4c63a753c1a8804b9.tar.gz
ports-279cf52593918c108d7320c4c63a753c1a8804b9.zip
Notes
Diffstat (limited to 'devel/mprof')
-rw-r--r--devel/mprof/files/patch-02129
1 files changed, 129 insertions, 0 deletions
diff --git a/devel/mprof/files/patch-02 b/devel/mprof/files/patch-02
new file mode 100644
index 000000000000..03ce45500122
--- /dev/null
+++ b/devel/mprof/files/patch-02
@@ -0,0 +1,129 @@
+--- mprof.c.orig Tue Apr 20 21:36:20 1993
++++ mprof.c Wed Nov 25 14:20:44 1998
+@@ -8,6 +8,9 @@
+ #include <stdio.h>
+ #include <sys/file.h>
+ #include <ctype.h>
++#ifdef __ELF__
++#include <elf.h>
++#endif
+ #include <a.out.h>
+ #include <stab.h>
+ #include "mprof.h"
+@@ -699,6 +702,108 @@
+ st_read(exec_name)
+ char *exec_name;
+ {
++#ifdef __ELF__
++ int elf_file = open(exec_name, (O_RDONLY));
++ Elf_Ehdr ehdr;
++ Elf_Shdr shdr, shstrhdr, symhdr, strhdr, stabhdr, stabstrhdr;
++ int gotsym, gotstr, gotstab, gotstabstr;
++ char *sh_strings;
++ char *stab_strings;
++ Elf_Sym asym;
++ extern char *index();
++ extern char *malloc();
++ char *stmp;
++ int string_size;
++ unsigned char type;
++ char *fname;
++ int i;
++
++ read(elf_file, &ehdr, sizeof(ehdr));
++ if (!ehdr.e_shnum) {
++ fprintf(stdout, "st_read -- no symbols in executable\n");
++ exit(1);
++ }
++
++ /* read the section names */
++ lseek(elf_file, ehdr.e_shoff + ehdr.e_shstrndx * ehdr.e_shentsize, L_SET);
++ read(elf_file, &shstrhdr, ehdr.e_shentsize);
++ sh_strings = malloc(shstrhdr.sh_size);
++ lseek(elf_file, shstrhdr.sh_offset, L_SET);
++ read(elf_file, sh_strings, shstrhdr.sh_size);
++
++ /* find the stab sections */
++ gotsym = gotstr = 0;
++ for (i = 0; i < ehdr.e_shnum; i++) {
++ lseek(elf_file, ehdr.e_shoff + i * ehdr.e_shentsize, L_SET);
++ read(elf_file, &shdr, ehdr.e_shentsize);
++ if (!strcmp(sh_strings + shdr.sh_name, ".stab")) {
++ stabhdr = shdr;
++ gotstab = 1;
++ } else if (!strcmp(sh_strings + shdr.sh_name, ".stabstr")) {
++ stabstrhdr = shdr;
++ gotstabstr = 1;
++ } else if (shdr.sh_type == SHT_SYMTAB) {
++ symhdr = shdr;
++ gotsym = 1;
++ } else if (shdr.sh_type == SHT_STRTAB) {
++ strhdr = shdr;
++ gotstr = 1;
++ }
++ }
++ if (!gotsym || !gotstr) {
++ fprintf(stdout, "st_read -- no symbols in executable\n");
++ exit(1);
++ }
++
++ /* read in the string table
++ */
++ st_strings = malloc(strhdr.sh_size);
++ lseek(elf_file, strhdr.sh_offset, L_SET);
++ read(elf_file, st_strings, strhdr.sh_size);
++
++ if (gotstabstr) {
++ stab_strings = malloc(stabstrhdr.sh_size);
++ lseek(elf_file, stabstrhdr.sh_offset, L_SET);
++ read(elf_file, stab_strings, stabstrhdr.sh_size);
++ }
++
++ /* read in the symbols one at a time
++ */
++ lseek(elf_file, symhdr.sh_offset, L_SET);
++ for (i = 0; i < symhdr.sh_size / sizeof(Elf_Sym); i++) {
++ read(elf_file, &asym, sizeof(asym));
++ type = ELF_ST_TYPE(asym.st_info);
++ if (type == STT_FUNC) {
++ /* here's a candidate for a function name
++ */
++ fname = (char *) (st_strings + asym.st_name);
++ stab_name(stab_i) = fname;
++ stab_addr(stab_i) = asym.st_value;
++ stab_incr(stab_i);
++ }
++ }
++
++ /* read the stab sections to look for structures */
++ if (gotstab) {
++ struct nlist stab;
++ lseek(elf_file, stabhdr.sh_offset, L_SET);
++ for (i = 0; i < stabhdr.sh_size / sizeof(struct nlist); i++) {
++ read(elf_file, &stab, sizeof(stab));
++ if (stab.n_type == N_LSYM || stab.n_type == N_GSYM) {
++ st_read_structure((char *) (stab_strings + stab.n_un.n_strx));
++ }
++ }
++ }
++
++ stab_name(stab_i) = "unknown";
++ stab_addr(stab_i) = stab_addr(stab_i - 1) + 0x10000;
++ stab_incr(stab_i);
++ stab_name(stab_i) = "end_marker";
++ stab_addr(stab_i) = 0xffffffff;
++ stab_incr(stab_i);
++ qsort(stab, stab_i, sizeof(struct finfo), stab_compare);
++ close(elf_file);
++#else
+ int aout_file = open(exec_name, (O_RDONLY));
+ struct exec hdr;
+ struct nlist asym;
+@@ -772,6 +877,7 @@
+ stab_addr(stab_i) = 0xffffffff;
+ stab_incr(stab_i);
+ qsort(stab, stab_i, sizeof(struct finfo), stab_compare);
++#endif
+ }
+
+ void