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On Sunday 19 June 2005 02:53 pm, Simon Strandman wrote: |
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> I just checked make.defaults for the x86 hardened profile and it has |
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> CFLAGS="-O2 -mcpu=i386 -pipe -fforce-addr". |
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> |
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> Why the -fforce-addr? Does it have any impact on security? |
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> |
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> I use hardened on my home server but I don't have -fforce-addr in its |
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> CFLAGS. Should I add it? |
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> |
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> -- |
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> Simon Strandman <simon.strandman@×××××.com> |
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The ggc man page stages |
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|
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-fforce-addr |
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Force memory address constants to be copied into registers before doing |
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arithmetic on them. This may produce better code just as -fforce-mem may. |
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|
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Off the bat, I don't see any glaringly obvious security risks, its probably a |
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safe flag; then again, I'm not expert. |
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-- |
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