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| author | steven <steven@138bc75d-0d04-0410-961f-82ee72b054a4> | 2012-06-25 13:09:42 +0000 |
|---|---|---|
| committer | steven <steven@138bc75d-0d04-0410-961f-82ee72b054a4> | 2012-06-25 13:09:42 +0000 |
| commit | 91bb968b24e061fe0a18f3d8034bc469a4e230f9 (patch) | |
| tree | ad3d9be34ddb16b21b5cd6ba654e740ab02d232f /gcc/doc/tm.texi.in | |
| parent | 646ea1f52efa49a9651e02185d35e07809d2ca8e (diff) | |
| download | gcc-91bb968b24e061fe0a18f3d8034bc469a4e230f9.tar.gz | |
* config/v850/v850.c: Remove redundant extern declarations for
last_assemble_variable_decl and size_directive_output.
* doc/tm.texi.in: Document JMP_BUF_SIZE.
* doc/tm.texi: Regenerate.
* config/sparc/sparc.h (JMP_BUF_SIZE): Do not define.
* config/pa/pa.h (JMP_BUF_SIZE): Likewise.
* config/stormy16/stormy16.h: Likewise.
* config/picochip/picochip.c: Do not define DONT_USE_BUILTIN_SETJMP.
* doc/sourcebuild.texi: Add missing subdirectories.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@188933 138bc75d-0d04-0410-961f-82ee72b054a4
Diffstat (limited to 'gcc/doc/tm.texi.in')
| -rw-r--r-- | gcc/doc/tm.texi.in | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/gcc/doc/tm.texi.in b/gcc/doc/tm.texi.in index 3bf211c3117..5d2a0b17429 100644 --- a/gcc/doc/tm.texi.in +++ b/gcc/doc/tm.texi.in @@ -8856,6 +8856,14 @@ should use the @code{setjmp}/@code{longjmp} functions from the C library instead of the @code{__builtin_setjmp}/@code{__builtin_longjmp} machinery. @end defmac +@defmac JMP_BUF_SIZE +This macro has no effect unless @code{DONT_USE_BUILTIN_SETJMP} is also +defined. Define this macro if the default size of @code{jmp_buf} buffer +for the @code{setjmp}/@code{longjmp}-based exception handling mechanism +is not large enough, or if it is much too large. +The default size is @code{FIRST_PSEUDO_REGISTER * sizeof(void *)}. +@end defmac + @defmac DWARF_CIE_DATA_ALIGNMENT This macro need only be defined if the target might save registers in the function prologue at an offset to the stack pointer that is not aligned to |