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* tracebak.c (i386): Use GCC unwinder on Linux with GCC > 4.5.

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From-SVN: r163352
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Eric Botcazou 2010-08-18 21:07:29 +00:00 committed by Eric Botcazou
parent 21667997d0
commit fbb12873f2
2 changed files with 11 additions and 0 deletions
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4
gcc/ada/ChangeLog
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@ -1,3 +1,7 @@
2010-08-18 Eric Botcazou <ebotcazou@adacore.com>
* tracebak.c (i386): Use GCC unwinder on Linux with GCC > 4.5.
2010-08-10 Robert Dewar <dewar@adacore.com>
* sem_ch8.adb, sem_ch8.ads: Change name Write_Scopes to ws.

7
gcc/ada/tracebak.c
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@ -303,7 +303,14 @@ struct layout
#define IS_BAD_PTR(ptr) 0
#endif
/* Starting with GCC 4.6, -fomit-frame-pointer is turned on by default for
32-bit x86/Linux as well and DWARF 2 unwind tables are emitted instead.
See the x86-64 case below for the drawbacks with this approach. */
#if defined (linux) && (__GNUC__ * 10 + __GNUC_MINOR__ > 45)
#define USE_GCC_UNWINDER
#else
#define USE_GENERIC_UNWINDER
#endif
struct layout
{