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7009098: SA cannot open core files larger than 2GB on Linux 32-bit

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Added Large File Support by compiling libsaproc.so with -D_FILE_OFFSET_BITS=64, and a small change with which SA should first load libraries from the path specified with SA_ALTROOT.

Reviewed-by: dholmes, kevinw, dcubed, minqi
This commit is contained in:
Poonam Bajaj 2012-02-12 19:33:11 -08:00
parent b0725ec91a
commit e565fbba32
3 changed files with 10 additions and 8 deletions
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11
hotspot/agent/src/os/linux/libproc_impl.c
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@ -1,5 +1,5 @@
/*
* Copyright (c) 2003, 2010, Oracle and/or its affiliates. All rights reserved.
* Copyright (c) 2003, 2012, Oracle and/or its affiliates. All rights reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* This code is free software; you can redistribute it and/or modify it
@ -50,10 +50,6 @@ int pathmap_open(const char* name) {
char alt_path[PATH_MAX + 1];
init_alt_root();
fd = open(name, O_RDONLY);
if (fd >= 0) {
return fd;
}
if (alt_root_len > 0) {
strcpy(alt_path, alt_root);
@ -73,6 +69,11 @@ int pathmap_open(const char* name) {
return fd;
}
}
} else {
fd = open(name, O_RDONLY);
if (fd >= 0) {
return fd;
}
}
return -1;