/hg/release/icedtea6-1.5: * Makefile.am (ICEDTEA_PATCHES): Add r...
aph at icedtea.classpath.org
aph at icedtea.classpath.org
Thu Dec 17 08:22:21 PST 2009
changeset b0bb743c12d1 in /hg/release/icedtea6-1.5
details: http://icedtea.classpath.org/hg/release/icedtea6-1.5?cmd=changeset;node=b0bb743c12d1
author: aph
date: Thu Dec 17 16:24:09 2009 +0000
* Makefile.am (ICEDTEA_PATCHES): Add rename-execvpe.patch,
icedtea-6897844-xshm.patch, icedtea-linux-separate-
debuginfo.patch.
diffstat:
5 files changed, 444 insertions(+), 1 deletion(-)
ChangeLog | 6
Makefile.am | 5
patches/icedtea-6897844-xshm.patch | 13
patches/icedtea-linux-separate-debuginfo.patch | 379 ++++++++++++++++++++++++
patches/openjdk/rename-execvpe.patch | 42 ++
diffs (481 lines):
diff -r 98d260aaa04b -r b0bb743c12d1 ChangeLog
--- a/ChangeLog Thu Dec 10 16:51:16 2009 +0000
+++ b/ChangeLog Thu Dec 17 16:24:09 2009 +0000
@@ -1,3 +1,9 @@ 2009-12-10 Andrew Haley <aph at redhat.co
+2009-12-17 Andrew Haley <aph at redhat.com>
+
+ * Makefile.am (ICEDTEA_PATCHES): Add rename-execvpe.patch,
+ icedtea-6897844-xshm.patch,
+ icedtea-linux-separate-debuginfo.patch.
+
2009-12-10 Andrew Haley <aph at redhat.com>
* patches/hotspot/default/icedtea-debuginfo.patch:
diff -r 98d260aaa04b -r b0bb743c12d1 Makefile.am
--- a/Makefile.am Thu Dec 10 16:51:16 2009 +0000
+++ b/Makefile.am Thu Dec 17 16:24:09 2009 +0000
@@ -588,6 +588,7 @@ ICEDTEA_PATCHES = \
patches/icedtea-doc-headers.patch \
patches/openjdk/bidi-tests.patch \
patches/openjdk/annotation-tests.patch \
+ patches/openjdk/rename-execvpe.patch \
patches/security/icedtea-6588003.patch \
patches/security/icedtea-6656586.patch \
patches/security/icedtea-6656610.patch \
@@ -623,7 +624,9 @@ ICEDTEA_PATCHES = \
patches/security/icedtea-6822057.patch \
patches/security/icedtea-6824265.patch \
patches/security/icedtea-6861062.patch \
- patches/security/icedtea-6872358.patch
+ patches/security/icedtea-6872358.patch \
+ patches/icedtea-6897844-xshm.patch \
+ patches/icedtea-linux-separate-debuginfo.patch
if WITH_ALT_HSBUILD
ICEDTEA_PATCHES += \
diff -r 98d260aaa04b -r b0bb743c12d1 patches/icedtea-6897844-xshm.patch
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/patches/icedtea-6897844-xshm.patch Thu Dec 17 16:24:09 2009 +0000
@@ -0,0 +1,13 @@
+--- old/jdk/src/solaris/native/sun/awt/awt_GraphicsEnv.h 2009-07-17 10:36:09.000000000 -0400
++++ openjdk/jdk/src/solaris/native/sun/awt/awt_GraphicsEnv.h 2009-07-30 13:25:52.000000000 -0400
+@@ -42,6 +42,10 @@
+ #include <sys/ipc.h>
+ #include <sys/shm.h>
+ #include <X11/extensions/XShm.h>
++#ifndef X_ShmAttach
++#include <X11/Xmd.h>
++#include <X11/extensions/shmproto.h>
++#endif
+
+ extern int XShmQueryExtension();
+
diff -r 98d260aaa04b -r b0bb743c12d1 patches/icedtea-linux-separate-debuginfo.patch
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/patches/icedtea-linux-separate-debuginfo.patch Thu Dec 17 16:24:09 2009 +0000
@@ -0,0 +1,379 @@
+2009-12-09 Andrew Haley <aph at redhat.com>
+
+ * openjdk/hotspot/agent/src/os/linux/symtab.c (debug_file_directory):
+ New variable.
+ (gnu_debuglink_crc32): New.
+ (build_symtab_internal): Rename from build_symtab, make static.
+ Add logic to look inside debuginfo files.
+ (open_debug_file, find_section_by_name, open_file_from_debug_link,
+ build_id_to_debug_filename, build_symtab_from_build_id,
+ build_symtab): New.
+ * openjdk/hotspot/agent/src/os/linux/libproc_impl.c (add_lib_info_fd):
+ Pass FILENAME to build_symtab().
+ * openjdk/hotspot/agent/src/os/linux/symtab.h (build_symtab):
+ Add FILENAME arg.
+
+2009-12-16 Andrew Haley <aph at redhat.com>
+
+ * openjdk/hotspot/agent/src/os/linux/symtab.c (open_file_from_debug_link):
+ Check for NULL.
+ Fix off by one error in aligning the CRC: the offset is 4 bytes,
+ not 3.
+
+diff -u ../openjdk/icedtea6/openjdk/hotspot/agent/src/os/linux/libproc_impl.c openjdk/hotspot/agent/src/os/linux/libproc_impl.c
+--- ../openjdk/icedtea6/openjdk/hotspot/agent/src/os/linux/libproc_impl.c 2009-05-15 00:36:38.000000000 +0100
++++ openjdk/hotspot/agent/src/os/linux/libproc_impl.c 2009-12-04 16:29:27.552837905 +0000
+@@ -174,7 +174,7 @@
+ return NULL;
+ }
+
+- newlib->symtab = build_symtab(newlib->fd);
++ newlib->symtab = build_symtab(newlib->fd, libname);
+ if (newlib->symtab == NULL) {
+ print_debug("symbol table build failed for %s\n", newlib->name);
+ }
+diff -u ../openjdk/icedtea6/openjdk/hotspot/agent/src/os/linux/symtab.h openjdk/hotspot/agent/src/os/linux/symtab.h
+--- ../openjdk/icedtea6/openjdk/hotspot/agent/src/os/linux/symtab.h 2009-05-15 00:36:38.000000000 +0100
++++ openjdk/hotspot/agent/src/os/linux/symtab.h 2009-12-04 16:30:38.797838015 +0000
+@@ -32,7 +32,7 @@
+ struct symtab;
+
+ // build symbol table for a given ELF file descriptor
+-struct symtab* build_symtab(int fd);
++struct symtab* build_symtab(int fd, const char *filename);
+
+ // destroy the symbol table
+ void destroy_symtab(struct symtab* symtab);
+
+--- openjdk/hotspot/agent/src/os/linux/symtab.c 2009-12-16 17:13:28.879599584 +0000
++++ openjdk/hotspot/agent/src/os/linux/symtab.c 2009-12-16 17:14:15.871601226 +0000
+@@ -53,8 +53,274 @@
+ struct hsearch_data *hash_table;
+ } symtab_t;
+
+-// read symbol table from given fd.
+-struct symtab* build_symtab(int fd) {
++
++// Directory that contains global debuginfo files. In theory it
++// should be possible to change this, but in a Java environment there
++// is no obvious place to put a user interface to do it. Maybe this
++// could be set with an environment variable.
++static const char debug_file_directory[] = "/usr/lib/debug";
++
++/* The CRC used in gnu_debuglink, retrieved from
++ http://sourceware.org/gdb/current/onlinedocs/gdb/Separate-Debug-Files.html#Separate-Debug-Files. */
++unsigned long gnu_debuglink_crc32 (unsigned long crc,
++ unsigned char *buf, size_t len)
++{
++ static const unsigned long crc32_table[256] =
++ {
++ 0x00000000, 0x77073096, 0xee0e612c, 0x990951ba, 0x076dc419,
++ 0x706af48f, 0xe963a535, 0x9e6495a3, 0x0edb8832, 0x79dcb8a4,
++ 0xe0d5e91e, 0x97d2d988, 0x09b64c2b, 0x7eb17cbd, 0xe7b82d07,
++ 0x90bf1d91, 0x1db71064, 0x6ab020f2, 0xf3b97148, 0x84be41de,
++ 0x1adad47d, 0x6ddde4eb, 0xf4d4b551, 0x83d385c7, 0x136c9856,
++ 0x646ba8c0, 0xfd62f97a, 0x8a65c9ec, 0x14015c4f, 0x63066cd9,
++ 0xfa0f3d63, 0x8d080df5, 0x3b6e20c8, 0x4c69105e, 0xd56041e4,
++ 0xa2677172, 0x3c03e4d1, 0x4b04d447, 0xd20d85fd, 0xa50ab56b,
++ 0x35b5a8fa, 0x42b2986c, 0xdbbbc9d6, 0xacbcf940, 0x32d86ce3,
++ 0x45df5c75, 0xdcd60dcf, 0xabd13d59, 0x26d930ac, 0x51de003a,
++ 0xc8d75180, 0xbfd06116, 0x21b4f4b5, 0x56b3c423, 0xcfba9599,
++ 0xb8bda50f, 0x2802b89e, 0x5f058808, 0xc60cd9b2, 0xb10be924,
++ 0x2f6f7c87, 0x58684c11, 0xc1611dab, 0xb6662d3d, 0x76dc4190,
++ 0x01db7106, 0x98d220bc, 0xefd5102a, 0x71b18589, 0x06b6b51f,
++ 0x9fbfe4a5, 0xe8b8d433, 0x7807c9a2, 0x0f00f934, 0x9609a88e,
++ 0xe10e9818, 0x7f6a0dbb, 0x086d3d2d, 0x91646c97, 0xe6635c01,
++ 0x6b6b51f4, 0x1c6c6162, 0x856530d8, 0xf262004e, 0x6c0695ed,
++ 0x1b01a57b, 0x8208f4c1, 0xf50fc457, 0x65b0d9c6, 0x12b7e950,
++ 0x8bbeb8ea, 0xfcb9887c, 0x62dd1ddf, 0x15da2d49, 0x8cd37cf3,
++ 0xfbd44c65, 0x4db26158, 0x3ab551ce, 0xa3bc0074, 0xd4bb30e2,
++ 0x4adfa541, 0x3dd895d7, 0xa4d1c46d, 0xd3d6f4fb, 0x4369e96a,
++ 0x346ed9fc, 0xad678846, 0xda60b8d0, 0x44042d73, 0x33031de5,
++ 0xaa0a4c5f, 0xdd0d7cc9, 0x5005713c, 0x270241aa, 0xbe0b1010,
++ 0xc90c2086, 0x5768b525, 0x206f85b3, 0xb966d409, 0xce61e49f,
++ 0x5edef90e, 0x29d9c998, 0xb0d09822, 0xc7d7a8b4, 0x59b33d17,
++ 0x2eb40d81, 0xb7bd5c3b, 0xc0ba6cad, 0xedb88320, 0x9abfb3b6,
++ 0x03b6e20c, 0x74b1d29a, 0xead54739, 0x9dd277af, 0x04db2615,
++ 0x73dc1683, 0xe3630b12, 0x94643b84, 0x0d6d6a3e, 0x7a6a5aa8,
++ 0xe40ecf0b, 0x9309ff9d, 0x0a00ae27, 0x7d079eb1, 0xf00f9344,
++ 0x8708a3d2, 0x1e01f268, 0x6906c2fe, 0xf762575d, 0x806567cb,
++ 0x196c3671, 0x6e6b06e7, 0xfed41b76, 0x89d32be0, 0x10da7a5a,
++ 0x67dd4acc, 0xf9b9df6f, 0x8ebeeff9, 0x17b7be43, 0x60b08ed5,
++ 0xd6d6a3e8, 0xa1d1937e, 0x38d8c2c4, 0x4fdff252, 0xd1bb67f1,
++ 0xa6bc5767, 0x3fb506dd, 0x48b2364b, 0xd80d2bda, 0xaf0a1b4c,
++ 0x36034af6, 0x41047a60, 0xdf60efc3, 0xa867df55, 0x316e8eef,
++ 0x4669be79, 0xcb61b38c, 0xbc66831a, 0x256fd2a0, 0x5268e236,
++ 0xcc0c7795, 0xbb0b4703, 0x220216b9, 0x5505262f, 0xc5ba3bbe,
++ 0xb2bd0b28, 0x2bb45a92, 0x5cb36a04, 0xc2d7ffa7, 0xb5d0cf31,
++ 0x2cd99e8b, 0x5bdeae1d, 0x9b64c2b0, 0xec63f226, 0x756aa39c,
++ 0x026d930a, 0x9c0906a9, 0xeb0e363f, 0x72076785, 0x05005713,
++ 0x95bf4a82, 0xe2b87a14, 0x7bb12bae, 0x0cb61b38, 0x92d28e9b,
++ 0xe5d5be0d, 0x7cdcefb7, 0x0bdbdf21, 0x86d3d2d4, 0xf1d4e242,
++ 0x68ddb3f8, 0x1fda836e, 0x81be16cd, 0xf6b9265b, 0x6fb077e1,
++ 0x18b74777, 0x88085ae6, 0xff0f6a70, 0x66063bca, 0x11010b5c,
++ 0x8f659eff, 0xf862ae69, 0x616bffd3, 0x166ccf45, 0xa00ae278,
++ 0xd70dd2ee, 0x4e048354, 0x3903b3c2, 0xa7672661, 0xd06016f7,
++ 0x4969474d, 0x3e6e77db, 0xaed16a4a, 0xd9d65adc, 0x40df0b66,
++ 0x37d83bf0, 0xa9bcae53, 0xdebb9ec5, 0x47b2cf7f, 0x30b5ffe9,
++ 0xbdbdf21c, 0xcabac28a, 0x53b39330, 0x24b4a3a6, 0xbad03605,
++ 0xcdd70693, 0x54de5729, 0x23d967bf, 0xb3667a2e, 0xc4614ab8,
++ 0x5d681b02, 0x2a6f2b94, 0xb40bbe37, 0xc30c8ea1, 0x5a05df1b,
++ 0x2d02ef8d
++ };
++ unsigned char *end;
++
++ crc = ~crc & 0xffffffff;
++ for (end = buf + len; buf < end; ++buf)
++ crc = crc32_table[(crc ^ *buf) & 0xff] ^ (crc >> 8);
++ return ~crc & 0xffffffff;
++}
++
++/* Open a debuginfo file and check its CRC. If it exists and the CRC
++ matches return its fd. */
++static int
++open_debug_file (const char *pathname, unsigned int crc)
++{
++ unsigned int file_crc = 0;
++ unsigned char buffer[8 * 1024];
++
++ int fd = pathmap_open(pathname);
++
++ if (fd < 0)
++ return -1;
++
++ lseek(fd, 0, SEEK_SET);
++
++ for (;;) {
++ int len = read(fd, buffer, sizeof buffer);
++ if (len <= 0)
++ break;
++ file_crc = gnu_debuglink_crc32(file_crc, buffer, len);
++ }
++
++ if (crc == file_crc)
++ return fd;
++ else {
++ close(fd);
++ return -1;
++ }
++}
++
++/* Find an ELF section. */
++static struct elf_section *find_section_by_name(char *name,
++ int fd,
++ ELF_EHDR *ehdr,
++ ELF_SHDR *shbuf,
++ struct elf_section *scn_cache)
++{
++ ELF_SHDR* cursct = NULL;
++ char *strtab;
++ int cnt;
++
++ if (scn_cache[ehdr->e_shstrndx].c_data == NULL) {
++ if ((scn_cache[ehdr->e_shstrndx].c_data
++ = read_section_data(fd, ehdr, cursct)) == NULL) {
++ return NULL;
++ }
++ }
++
++ strtab = scn_cache[ehdr->e_shstrndx].c_data;
++
++ for (cursct = shbuf, cnt = 0;
++ cnt < ehdr->e_shnum;
++ cnt++, cursct++) {
++ if (strcmp(cursct->sh_name + strtab, name) == 0) {
++ scn_cache[cnt].c_data = read_section_data(fd, ehdr, cursct);
++ return &scn_cache[cnt];
++ }
++ }
++
++ return NULL;
++}
++
++/* Look for a ".gnu_debuglink" section. If one exists, try to open a
++ suitable debuginfo file. */
++static int open_file_from_debug_link(const char *name,
++ int fd,
++ ELF_EHDR *ehdr,
++ ELF_SHDR *shbuf,
++ struct elf_section *scn_cache)
++{
++ int debug_fd;
++ struct elf_section *debug_link = find_section_by_name(".gnu_debuglink", fd, ehdr,
++ shbuf, scn_cache);
++ if (debug_link == NULL)
++ return -1;
++ char *debug_filename = debug_link->c_data;
++ int offset = (strlen(debug_filename) + 4) >> 2;
++ static unsigned int crc;
++ crc = ((unsigned int*)debug_link->c_data)[offset];
++ char *debug_pathname = malloc(strlen(debug_filename)
++ + strlen(name)
++ + strlen(".debug/")
++ + strlen(debug_file_directory)
++ + 2);
++ strcpy(debug_pathname, name);
++ char *last_slash = strrchr(debug_pathname, '/');
++ if (last_slash == NULL)
++ return -1;
++
++ /* Look in the same directory as the object. */
++ strcpy(last_slash+1, debug_filename);
++
++ debug_fd = open_debug_file(debug_pathname, crc);
++ if (debug_fd >= 0) {
++ free(debug_pathname);
++ return debug_fd;
++ }
++
++ /* Look in a subdirectory named ".debug". */
++ strcpy(last_slash+1, ".debug/");
++ strcat(last_slash, debug_filename);
++
++ debug_fd = open_debug_file(debug_pathname, crc);
++ if (debug_fd >= 0) {
++ free(debug_pathname);
++ return debug_fd;
++ }
++
++ /* Look in /usr/lib/debug + the full pathname. */
++ strcpy(debug_pathname, debug_file_directory);
++ strcat(debug_pathname, name);
++ last_slash = strrchr(debug_pathname, '/');
++ strcpy(last_slash+1, debug_filename);
++
++ debug_fd = open_debug_file(debug_pathname, crc);
++ if (debug_fd >= 0) {
++ free(debug_pathname);
++ return debug_fd;
++ }
++
++ free(debug_pathname);
++ return -1;
++}
++
++static struct symtab* build_symtab_internal(int fd, const char *filename, bool try_debuginfo);
++
++/* Look for a ".gnu_debuglink" section. If one exists, try to open a
++ suitable debuginfo file and read a symbol table from it. */
++static struct symtab *build_symtab_from_debug_link(const char *name,
++ int fd,
++ ELF_EHDR *ehdr,
++ ELF_SHDR *shbuf,
++ struct elf_section *scn_cache)
++{
++ fd = open_file_from_debug_link(name, fd, ehdr, shbuf, scn_cache);
++
++ if (fd >= 0) {
++ struct symtab *symtab = build_symtab_internal(fd, NULL, /* try_debuginfo */ false);
++ close(fd);
++ return symtab;
++ }
++
++ return NULL;
++}
++
++// Given a build_id, find the associated debuginfo file
++static char *
++build_id_to_debug_filename (size_t size, unsigned char *data)
++{
++ char *filename, *s;
++
++ filename = malloc(strlen (debug_file_directory) + (sizeof "/.build-id/" - 1) + 1
++ + 2 * size + (sizeof ".debug" - 1) + 1);
++ s = filename + sprintf (filename, "%s/.build-id/", debug_file_directory);
++ if (size > 0)
++ {
++ size--;
++ s += sprintf (s, "%02x", *data++);
++ }
++ if (size > 0)
++ *s++ = '/';
++ while (size-- > 0)
++ s += sprintf (s, "%02x", *data++);
++ strcpy (s, ".debug");
++
++ return filename;
++}
++
++// Read a build ID note. Try to open any associated debuginfo file
++// and return its symtab
++static struct symtab* build_symtab_from_build_id(Elf64_Nhdr *note)
++{
++ int fd;
++ struct symtab *symtab = NULL;
++
++ unsigned char *bytes
++ = (unsigned char*)(note+1) + note->n_namesz;
++ unsigned char *filename
++ = (build_id_to_debug_filename (note->n_descsz, bytes));
++
++ fd = pathmap_open(filename);
++ if (fd >= 0) {
++ symtab = build_symtab_internal(fd, NULL, /* try_debuginfo */ false);
++ close(fd);
++ }
++ free(filename);
++
++ return symtab;
++}
++
++// read symbol table from given fd. If try_debuginfo) is true, also
++// try to open an associated debuginfo file
++static struct symtab* build_symtab_internal(int fd, const char *filename, bool try_debuginfo) {
+ ELF_EHDR ehdr;
+ char *names = NULL;
+ struct symtab* symtab = NULL;
+@@ -90,7 +356,8 @@
+
+ for (cursct = shbuf, cnt = 0; cnt < ehdr.e_shnum; cnt++) {
+ scn_cache[cnt].c_shdr = cursct;
+- if (cursct->sh_type == SHT_SYMTAB || cursct->sh_type == SHT_STRTAB) {
++ if (cursct->sh_type == SHT_SYMTAB || cursct->sh_type == SHT_STRTAB
++ || cursct->sh_type == SHT_NOTE) {
+ if ( (scn_cache[cnt].c_data = read_section_data(fd, &ehdr, cursct)) == NULL) {
+ goto quit;
+ }
+@@ -163,6 +430,30 @@
+ }
+ }
+
++ // If we have no symtab in this file, look for a separate debuginfo file
++ if (try_debuginfo) {
++#ifdef NT_GNU_BUILD_ID
++ // First we look for a Build ID
++ for (cursct = shbuf, cnt = 0;
++ symtab == NULL && cnt < ehdr.e_shnum;
++ cnt++) {
++ if (cursct->sh_type == SHT_NOTE) {
++ Elf64_Nhdr *note = (Elf64_Nhdr *)scn_cache[cnt].c_data;
++ if (note->n_type == NT_GNU_BUILD_ID) {
++ symtab = build_symtab_from_build_id(note);
++ }
++ }
++ cursct++;
++ }
++#endif
++
++ // Then, if that doesn't work, the debug link
++ if (symtab == NULL) {
++ symtab = build_symtab_from_debug_link(filename, fd, &ehdr, shbuf,
++ scn_cache);
++ }
++ }
++
+ quit:
+ if (shbuf) free(shbuf);
+ if (phbuf) free(phbuf);
+@@ -177,6 +468,11 @@
+ return symtab;
+ }
+
++struct symtab* build_symtab(int fd, const char *filename) {
++ return build_symtab_internal(fd, filename, /* try_debuginfo */ true);
++}
++
++
+ void destroy_symtab(struct symtab* symtab) {
+ if (!symtab) return;
+ if (symtab->strs) free(symtab->strs);
diff -r 98d260aaa04b -r b0bb743c12d1 patches/openjdk/rename-execvpe.patch
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/patches/openjdk/rename-execvpe.patch Thu Dec 17 16:24:09 2009 +0000
@@ -0,0 +1,42 @@
+# HG changeset patch
+# User martin
+# Date 1248923453 25200
+# Node ID 0f6e8cdc0cbab5221e81b7d25f1b869bd6ecf34a
+# Parent ac4f0c58f4c771267f1b5c65a8cf5bf2722a881b
+[mq]: rename-execvpe
+
+diff --git a/src/solaris/native/java/lang/UNIXProcess_md.c b/src/solaris/native/java/lang/UNIXProcess_md.c
+--- openjdk/jdk/src/solaris/native/java/lang/UNIXProcess_md.c
++++ openjdk/jdk/src/solaris/native/java/lang/UNIXProcess_md.c
+@@ -423,9 +423,20 @@
+ return -1;
+ }
+
+-/* execvpe should have been included in the Unix standards. */
++/**
++ * 'execvpe' should have been included in the Unix standards,
++ * and is a GNU extension in glibc 2.10.
++ *
++ * JDK_execvpe is identical to execvp, except that the child environment is
++ * specified via the 3rd argument instead of being inherited from environ.
++ *
++ * This implementation of JDK_execvpe does not work if memory is shared
++ * with the parent, when using vfork(2), or clone(2) with CLONE_VM.
++ */
+ static int
+-execvpe(const char *file, const char *const argv[], const char *const envp[])
++JDK_execvpe(const char *file,
++ const char *const argv[],
++ const char *const envp[])
+ {
+ /* This is one of the rare times it's more portable to declare an
+ * external symbol explicitly, rather than via a system header.
+@@ -601,7 +612,7 @@
+ if (fcntl(FAIL_FILENO, F_SETFD, FD_CLOEXEC) == -1)
+ goto WhyCantJohnnyExec;
+
+- execvpe(argv[0], argv, envv);
++ JDK_execvpe(argv[0], argv, envv);
+
+ WhyCantJohnnyExec:
+ /* We used to go to an awful lot of trouble to predict whether the
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