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PR 15483

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* sysdeps/powerpc/nofpu/sim-full.c: Add FIXME note about
the need for thread-specific variables preserved across signal
handlers.
* sysdeps/powerpc/nofpu/soft-supp.h: Likewise.
* sysdeps/powerpc/soft-fp/sfp-machine.h: Likewise.
This commit is contained in:
Alexandre Oliva 2013-08-17 01:24:00 -03:00
parent 91ce40854d
commit 3f8b479fe0
4 changed files with 24 additions and 0 deletions
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9
ports/ChangeLog.powerpc
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@ -1,3 +1,12 @@
2013-08-17 Alexandre Oliva <aoliva@redhat.com>
PR 15483
* sysdeps/powerpc/nofpu/sim-full.c: Add FIXME note about
the need for thread-specific variables preserved across signal
handlers.
* sysdeps/powerpc/nofpu/soft-supp.h: Likewise.
* sysdeps/powerpc/soft-fp/sfp-machine.h: Likewise.
2013-07-03 Joseph Myers <joseph@codesourcery.com> 2013-07-03 Joseph Myers <joseph@codesourcery.com>
* sysdeps/powerpc/nofpu/libm-test-ulps: Regenerated. * sysdeps/powerpc/nofpu/libm-test-ulps: Regenerated.

5
ports/sysdeps/powerpc/nofpu/sim-full.c
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@ -21,6 +21,11 @@
#include "soft-fp.h" #include "soft-fp.h"
#include "soft-supp.h" #include "soft-supp.h"
/* FIXME: these variables should be thread specific (see bugzilla bug
15483) and ideally preserved across signal handlers, like hardware
FP status words, but the latter is quite difficult to accomplish in
userland. */
/* Global to store sticky exceptions. */ /* Global to store sticky exceptions. */
int __sim_exceptions __attribute__ ((nocommon)); int __sim_exceptions __attribute__ ((nocommon));
libc_hidden_data_def (__sim_exceptions); libc_hidden_data_def (__sim_exceptions);

5
ports/sysdeps/powerpc/nofpu/soft-supp.h
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@ -26,6 +26,11 @@ typedef union
} fenv_union_t; } fenv_union_t;
/* FIXME: these variables should be thread specific (see bugzilla bug
15483) and ideally preserved across signal handlers, like hardware
FP status words, but the latter is quite difficult to accomplish in
userland. */
extern int __sim_exceptions; extern int __sim_exceptions;
libc_hidden_proto (__sim_exceptions); libc_hidden_proto (__sim_exceptions);
extern int __sim_disabled_exceptions; extern int __sim_disabled_exceptions;

5
ports/sysdeps/powerpc/soft-fp/sfp-machine.h
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@ -54,6 +54,11 @@
#define FP_ROUNDMODE __sim_round_mode #define FP_ROUNDMODE __sim_round_mode
#define FP_TRAPPING_EXCEPTIONS (~__sim_disabled_exceptions & 0x3e000000) #define FP_TRAPPING_EXCEPTIONS (~__sim_disabled_exceptions & 0x3e000000)
/* FIXME: these variables should be thread specific (see bugzilla bug
15483) and ideally preserved across signal handlers, like hardware
FP status words, but the latter is quite difficult to accomplish in
userland. */
extern int __sim_exceptions; extern int __sim_exceptions;
libc_hidden_proto (__sim_exceptions); libc_hidden_proto (__sim_exceptions);
extern int __sim_disabled_exceptions; extern int __sim_disabled_exceptions;