From 94988a2b4e6bd85ee8216c65cc8cd73d14cf1ad1 Mon Sep 17 00:00:00 2001
From: wolfbeast <mcwerewolf@gmail.com>
Date: Wed, 23 May 2018 20:16:00 +0200
Subject: Remove the jprof profiler.

This resolves #377.
---
 tools/jprof/elf.cpp | 133 ----------------------------------------------------
 1 file changed, 133 deletions(-)
 delete mode 100644 tools/jprof/elf.cpp

(limited to 'tools/jprof/elf.cpp')

diff --git a/tools/jprof/elf.cpp b/tools/jprof/elf.cpp
deleted file mode 100644
index 1de1d2dcc..000000000
--- a/tools/jprof/elf.cpp
+++ /dev/null
@@ -1,133 +0,0 @@
-/* This Source Code Form is subject to the terms of the Mozilla Public
- * License, v. 2.0. If a copy of the MPL was not distributed with this
- * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
-
-#include "leaky.h"
-
-#ifdef USE_ELF
-
-#include "leaky.h"
-#include <stdio.h>
-#include <malloc.h>
-#include <libelf/libelf.h>
-#include <unistd.h>
-#include <fcntl.h>
-#include <string.h>
-
-void leaky::readSymbols(const char *fileName)
-{
-    int fd = ::open(fileName, O_RDONLY);
-    if (fd < 0) {
-	fprintf(stderr, "%s: unable to open \"%s\"\n", applicationName,
-		fileName);
-	exit(-1);
-    }
-
-    elf_version(EV_CURRENT);
-    Elf *elf = elf_begin(fd, ELF_C_READ, 0);
-    if (!elf) {
-	fprintf(stderr, "%s: \"%s\": has no symbol table\n", applicationName,
-		fileName);
-	exit(-1);
-    }
-
-    long alloced = 10000;
-    Symbol* syms = (Symbol*) malloc(sizeof(Symbol) * 10000);
-    Symbol* sp = syms;
-    Symbol* last = syms + alloced;
-
-    // Get each of the relevant sections and add them to the list of
-    // symbols.
-    Elf32_Ehdr *ehdr = elf32_getehdr(elf);
-    if (!ehdr) {
-	fprintf(stderr, "%s: elf library lossage\n", applicationName);
-	exit(-1);
-    }
-#if 0
-    Elf32_Half ndx = ehdr->e_shstrndx;
-#endif
-
-    Elf_Scn *scn = 0;
-    int strtabndx = -1;
-    for (int i = 1; (scn = elf_nextscn(elf, scn)) != 0; i++) {
-	Elf32_Shdr *shdr = elf32_getshdr(scn);
-#if 0
-	char *name = elf_strptr(elf, ndx, (size_t) shdr->sh_name);
-	printf("Section %s (%d 0x%x)\n", name ? name : "(null)",
-	       shdr->sh_type, shdr->sh_type);
-#endif
-	if (shdr->sh_type == SHT_STRTAB) {
-	    /* We assume here that string tables preceed symbol tables... */
-	    strtabndx = i;
-	    continue;
-	}
-#if 0
-	if (shdr->sh_type == SHT_DYNAMIC) {
-	    /* Dynamic */
-	    Elf_Data *data = elf_getdata(scn, 0);
-	    if (!data || !data->d_size) {
-		printf("No data...");
-		continue;
-	    }
-
-	    Elf32_Dyn *dyn = (Elf32_Dyn*) data->d_buf;
-	    Elf32_Dyn *lastdyn =
-		(Elf32_Dyn*) ((char*) data->d_buf + data->d_size);
-	    for (; dyn < lastdyn; dyn++) {
-		printf("tag=%d value=0x%x\n", dyn->d_tag, dyn->d_un.d_val);
-	    }
-	} else
-#endif
-	if ((shdr->sh_type == SHT_SYMTAB) ||
-	    (shdr->sh_type == SHT_DYNSYM)) {
-	    /* Symbol table */
-	    Elf_Data *data = elf_getdata(scn, 0);
-	    if (!data || !data->d_size) {
-		printf("No data...");
-		continue;
-	    }
-
-	    /* In theory we now have the symbols... */
-	    Elf32_Sym *esym = (Elf32_Sym*) data->d_buf;
-	    Elf32_Sym *lastsym =
-		(Elf32_Sym*) ((char*) data->d_buf + data->d_size);
-	    for (; esym < lastsym; esym++) {
-#if 0
-		char *nm = elf_strptr(elf, strtabndx, (size_t)esym->st_name);
-		printf("%20s 0x%08x %02x %02x\n",
-		       nm, esym->st_value, ELF32_ST_BIND(esym->st_info),
-		       ELF32_ST_TYPE(esym->st_info));
-#endif
-		if ((esym->st_value == 0) ||
-		    (ELF32_ST_BIND(esym->st_info) == STB_WEAK) ||
-		    (ELF32_ST_BIND(esym->st_info) == STB_NUM) ||
-		    (ELF32_ST_TYPE(esym->st_info) != STT_FUNC)) {
-		    continue;
-		}
-#if 1
-		char *nm = elf_strptr(elf, strtabndx, (size_t)esym->st_name);
-#endif
-		sp->name = nm ? strdup(nm) : "(no name)";
-		sp->address = esym->st_value;
-		sp++;
-		if (sp >= last) {
-		    long n = alloced + 10000;
-		    syms = (Symbol*)
-			realloc(syms, (size_t) (sizeof(Symbol) * n));
-		    last = syms + n;
-		    sp = syms + alloced;
-		    alloced = n;
-		}
-	    }
-	}
-    }
-
-    int interesting = sp - syms;
-    if (!quiet) {
-	printf("Total of %d symbols\n", interesting);
-    }
-    usefulSymbols = interesting;
-    externalSymbols = syms;
-}
-
-#endif /* USE_ELF */
-- 
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