Mercurial > hg > graal-compiler
changeset 8672:651919d134f7
7178741: SA: jstack -m produce UnalignedAddressException in output (Linux)
Reviewed-by: poonam, sla
author | kevinw |
---|---|
date | Wed, 27 Feb 2013 22:40:14 +0000 |
parents | 698b615a1cde |
children | a140cd925462 |
files | agent/src/share/classes/sun/jvm/hotspot/debugger/linux/amd64/LinuxAMD64CFrame.java agent/src/share/classes/sun/jvm/hotspot/debugger/linux/x86/LinuxX86CFrame.java |
diffstat | 2 files changed, 12 insertions(+), 2 deletions(-) [+] |
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--- a/agent/src/share/classes/sun/jvm/hotspot/debugger/linux/amd64/LinuxAMD64CFrame.java Wed Feb 27 16:40:30 2013 +0000 +++ b/agent/src/share/classes/sun/jvm/hotspot/debugger/linux/amd64/LinuxAMD64CFrame.java Wed Feb 27 22:40:14 2013 +0000 @@ -60,8 +60,13 @@ return null; } + // Check alignment of rbp + if ( dbg.getAddressValue(rbp) % ADDRESS_SIZE != 0) { + return null; + } + Address nextRBP = rbp.getAddressAt( 0 * ADDRESS_SIZE); - if (nextRBP == null) { + if (nextRBP == null || nextRBP.lessThanOrEqual(rbp)) { return null; } Address nextPC = rbp.getAddressAt( 1 * ADDRESS_SIZE);
--- a/agent/src/share/classes/sun/jvm/hotspot/debugger/linux/x86/LinuxX86CFrame.java Wed Feb 27 16:40:30 2013 +0000 +++ b/agent/src/share/classes/sun/jvm/hotspot/debugger/linux/x86/LinuxX86CFrame.java Wed Feb 27 22:40:14 2013 +0000 @@ -61,8 +61,13 @@ return null; } + // Check alignment of ebp + if ( dbg.getAddressValue(ebp) % ADDRESS_SIZE != 0) { + return null; + } + Address nextEBP = ebp.getAddressAt( 0 * ADDRESS_SIZE); - if (nextEBP == null) { + if (nextEBP == null || nextEBP.lessThanOrEqual(ebp)) { return null; } Address nextPC = ebp.getAddressAt( 1 * ADDRESS_SIZE);