* Trouble building with -DDEBUG_MANGLE
@ 2008-08-21 13:10 Cooper, Karl (US SSA)
2008-08-21 15:03 ` Ian Lance Taylor
0 siblings, 1 reply; 2+ messages in thread
From: Cooper, Karl (US SSA) @ 2008-08-21 13:10 UTC (permalink / raw)
To: gcc-help
...gcc/cp/mangle.c mentions DEBUG_MANGLE. Since I'm trying to figure
out how gcc 4.2.3 is mangling thunk names, I thought I'd build gcc 4.2.3
with that macro turned on:
make BOOT_CFLAGS="-DDEBUG_MANGLE" bootstrap
...but this does not succeed; the build fails with an internal compiler
error caused by a segmentation fault.
Does anyone have any experience building a relatively recent gcc with
DEBUG_MANGLE turned on?
^ permalink raw reply [flat|nested] 2+ messages in thread
* Re: Trouble building with -DDEBUG_MANGLE
2008-08-21 13:10 Trouble building with -DDEBUG_MANGLE Cooper, Karl (US SSA)
@ 2008-08-21 15:03 ` Ian Lance Taylor
0 siblings, 0 replies; 2+ messages in thread
From: Ian Lance Taylor @ 2008-08-21 15:03 UTC (permalink / raw)
To: Cooper, Karl (US SSA); +Cc: gcc-help
"Cooper, Karl (US SSA)" <karl.cooper@baesystems.com> writes:
> ...gcc/cp/mangle.c mentions DEBUG_MANGLE. Since I'm trying to figure
> out how gcc 4.2.3 is mangling thunk names, I thought I'd build gcc 4.2.3
> with that macro turned on:
>
> make BOOT_CFLAGS="-DDEBUG_MANGLE" bootstrap
>
> ...but this does not succeed; the build fails with an internal compiler
> error caused by a segmentation fault.
>
> Does anyone have any experience building a relatively recent gcc with
> DEBUG_MANGLE turned on?
I haven't used DEBUG_MANGLE, but I can tell you that the mangling is
documented at http://codesourcery.com/cxx-abi/ . (Ignore the bit
about Itanium--gcc uses that ABI for all processors.)
Ian
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