changeset 1580:b0bb743c12d1

* Makefile.am (ICEDTEA_PATCHES): Add rename-execvpe.patch, icedtea-6897844-xshm.patch, icedtea-linux-separate-debuginfo.patch.
author aph
date Thu, 17 Dec 2009 16:24:09 +0000
parents 98d260aaa04b
children 85ecc550df1f
files ChangeLog Makefile.am patches/icedtea-6897844-xshm.patch patches/icedtea-linux-separate-debuginfo.patch patches/openjdk/rename-execvpe.patch
diffstat 5 files changed, 444 insertions(+), 1 deletions(-) [+]
line wrap: on
line diff
--- a/ChangeLog	Thu Dec 10 16:51:16 2009 +0000
+++ b/ChangeLog	Thu Dec 17 16:24:09 2009 +0000
@@ -1,3 +1,9 @@
+2009-12-17  Andrew Haley  <aph@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@redhat.com>
 
 	* patches/hotspot/default/icedtea-debuginfo.patch:
--- 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 @@
 	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 @@
 	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 += \
--- /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();
+ 
--- /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@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@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);
--- /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