diff options
Diffstat (limited to 'gcc')
| -rw-r--r-- | gcc/ChangeLog | 30 | ||||
| -rw-r--r-- | gcc/config.gcc | 1 | ||||
| -rw-r--r-- | gcc/doc/tm.texi | 18 | ||||
| -rw-r--r-- | gcc/doc/tm.texi.in | 18 | ||||
| -rw-r--r-- | gcc/system.h | 3 |
5 files changed, 69 insertions, 1 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index ac35dd6..d1371d2 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,33 @@ +2011-08-08 H.J. Lu <hongjiu.lu@intel.com> + + PR other/48007 + * config.gcc (libgcc_tm_file): Add i386/value-unwind.h for + Linux/x86. + + * system.h (REG_VALUE_IN_UNWIND_CONTEXT): Poisoned. + (ASSUME_EXTENDED_UNWIND_CONTEXT): Likewise. + + * unwind-dw2.c (ASSUME_EXTENDED_UNWIND_CONTEXT): New. + (_Unwind_Context_Reg_Val): Likewise. + (_Unwind_Get_Unwind_Word): Likewise. + (_Unwind_Get_Unwind_Context_Reg_Val): Likewise. + (_Unwind_Context): Use _Unwind_Context_Reg_Val on the reg field. + (_Unwind_IsExtendedContext): Check ASSUME_EXTENDED_UNWIND_CONTEXT + for EXTENDED_CONTEXT_BIT. + (__frame_state_for): Likewise. + (uw_init_context_1): Likewise. + (_Unwind_GetGR): Updated. + (_Unwind_SetGR): Likewise. + (_Unwind_GetGRPtr): Likewise. + (_Unwind_SetGRPtr): Likewise. + (_Unwind_SetGRValue): Likewise. + (_Unwind_GRByValue): Likewise. + (uw_install_context_1): Likewise. + + * doc/tm.texi.in: Document REG_VALUE_IN_UNWIND_CONTEXT and + ASSUME_EXTENDED_UNWIND_CONTEXT. + * doc/tm.texi: Regenerated. + 2011-08-08 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE> * Makefile.in (gengtype$(exeext)): Add $(LDFLAGS). diff --git a/gcc/config.gcc b/gcc/config.gcc index 716fa22..ec13d93 100644 --- a/gcc/config.gcc +++ b/gcc/config.gcc @@ -2663,6 +2663,7 @@ esac case ${target} in i[34567]86-*-linux* | x86_64-*-linux*) tmake_file="${tmake_file} i386/t-pmm_malloc i386/t-i386" + libgcc_tm_file="${libgcc_tm_file} i386/value-unwind.h" ;; i[34567]86-*-* | x86_64-*-*) tmake_file="${tmake_file} i386/t-gmm_malloc i386/t-i386" diff --git a/gcc/doc/tm.texi b/gcc/doc/tm.texi index 097531f..74a2324 100644 --- a/gcc/doc/tm.texi +++ b/gcc/doc/tm.texi @@ -3725,6 +3725,24 @@ return @code{@var{regno}}. @end defmac +@defmac REG_VALUE_IN_UNWIND_CONTEXT + +Define this macro if the target stores register values as +@code{_Unwind_Word} type in unwind context. It should be defined if +target register size is larger than the size of @code{void *}. The +default is to store register values as @code{void *} type. + +@end defmac + +@defmac ASSUME_EXTENDED_UNWIND_CONTEXT + +Define this macro to be 1 if the target always uses extended unwind +context with version, args_size and by_value fields. If it is undefined, +it will be defined to 1 when @code{REG_VALUE_IN_UNWIND_CONTEXT} is +defined and 0 otherwise. + +@end defmac + @node Elimination @subsection Eliminating Frame Pointer and Arg Pointer diff --git a/gcc/doc/tm.texi.in b/gcc/doc/tm.texi.in index 01beeb4..f63fe4a 100644 --- a/gcc/doc/tm.texi.in +++ b/gcc/doc/tm.texi.in @@ -3711,6 +3711,24 @@ return @code{@var{regno}}. @end defmac +@defmac REG_VALUE_IN_UNWIND_CONTEXT + +Define this macro if the target stores register values as +@code{_Unwind_Word} type in unwind context. It should be defined if +target register size is larger than the size of @code{void *}. The +default is to store register values as @code{void *} type. + +@end defmac + +@defmac ASSUME_EXTENDED_UNWIND_CONTEXT + +Define this macro to be 1 if the target always uses extended unwind +context with version, args_size and by_value fields. If it is undefined, +it will be defined to 1 when @code{REG_VALUE_IN_UNWIND_CONTEXT} is +defined and 0 otherwise. + +@end defmac + @node Elimination @subsection Eliminating Frame Pointer and Arg Pointer diff --git a/gcc/system.h b/gcc/system.h index a7db6f5..9698c61 100644 --- a/gcc/system.h +++ b/gcc/system.h @@ -802,7 +802,8 @@ extern void fancy_abort (const char *, int, const char *) ATTRIBUTE_NORETURN; /* Target macros only used for code built for the target, that have moved to libgcc-tm.h or have never been present elsewhere. */ #pragma GCC poison DECLARE_LIBRARY_RENAMES LIBGCC2_GNU_PREFIX \ - MD_UNWIND_SUPPORT MD_FROB_UPDATE_CONTEXT ENABLE_EXECUTE_STACK + MD_UNWIND_SUPPORT MD_FROB_UPDATE_CONTEXT ENABLE_EXECUTE_STACK \ + REG_VALUE_IN_UNWIND_CONTEXT ASSUME_EXTENDED_UNWIND_CONTEXT /* Other obsolete target macros, or macros that used to be in target headers and were not used, and may be obsolete or may never have |