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| author | Paul Eggert <eggert@cs.ucla.edu> | 2021-06-09 12:25:26 -0400 |
|---|---|---|
| committer | Jeff Law <jeffreyalaw@gmail.com> | 2021-06-09 12:28:04 -0400 |
| commit | 4a0c4eaea320a418400afc4d63359ed6c4af5548 (patch) | |
| tree | 40ed6ae8913db271d1d70db43bb57c4f237b12f9 /gcc | |
| parent | db042e1603db5057314c404eded73c45f60ad2d6 (diff) | |
| download | gcc-4a0c4eaea320a418400afc4d63359ed6c4af5548.zip gcc-4a0c4eaea320a418400afc4d63359ed6c4af5548.tar.gz gcc-4a0c4eaea320a418400afc4d63359ed6c4af5548.tar.bz2 | |
Document that -fno-trampolines is for Ada only [PR100735]
gcc/
PR other/100735
* doc/invoke.texi (Code Gen Options); Document that -fno-trampolines
and -ftrampolines work only with Ada.
* doc/tm.texi.in (Trampolines): Likewise.
* doc/tm.texi: Regenerated.
Diffstat (limited to 'gcc')
| -rw-r--r-- | gcc/doc/invoke.texi | 5 | ||||
| -rw-r--r-- | gcc/doc/tm.texi | 5 | ||||
| -rw-r--r-- | gcc/doc/tm.texi.in | 4 |
3 files changed, 14 insertions, 0 deletions
diff --git a/gcc/doc/invoke.texi b/gcc/doc/invoke.texi index 443252a..20d91be 100644 --- a/gcc/doc/invoke.texi +++ b/gcc/doc/invoke.texi @@ -16648,6 +16648,11 @@ Moreover, code compiled with @option{-ftrampolines} and code compiled with present. This option must therefore be used on a program-wide basis and be manipulated with extreme care. +For languages other than Ada, the @code{-ftrampolines} and +@code{-fno-trampolines} options currently have no effect, and +trampolines are always generated on platforms that need them +for nested functions. + @item -fvisibility=@r{[}default@r{|}internal@r{|}hidden@r{|}protected@r{]} @opindex fvisibility Set the default ELF image symbol visibility to the specified option---all diff --git a/gcc/doc/tm.texi b/gcc/doc/tm.texi index 0a6ae0b..fc7eb77 100644 --- a/gcc/doc/tm.texi +++ b/gcc/doc/tm.texi @@ -5489,6 +5489,11 @@ not ABI-compliant, this option is typically used only on a per-language basis (notably by Ada) or when it can otherwise be applied to the whole program. +For languages other than Ada, the @code{-ftrampolines} and +@code{-fno-trampolines} options currently have no effect, and +trampolines are always generated on platforms that need them +for nested functions. + Define the following hook if your backend either implements ABI-specified descriptor support, or can use GCC's generic descriptor implementation for nested functions. diff --git a/gcc/doc/tm.texi.in b/gcc/doc/tm.texi.in index d9fbbe2..2050160 100644 --- a/gcc/doc/tm.texi.in +++ b/gcc/doc/tm.texi.in @@ -3828,6 +3828,10 @@ addresses. Since GCC's generic function descriptors are not ABI-compliant, this option is typically used only on a per-language basis (notably by Ada) or when it can otherwise be applied to the whole program. +For languages other than Ada, the @code{-ftrampolines} and +@code{-fno-trampolines} options currently have no effect, and +trampolines are always generated on platforms that need them +for nested functions. Define the following hook if your backend either implements ABI-specified descriptor support, or can use GCC's generic descriptor implementation |