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| author | Richard Henderson <rth@redhat.com> | 2003-06-05 03:27:03 +0000 |
|---|---|---|
| committer | Richard Henderson <rth@redhat.com> | 2003-06-05 03:27:03 +0000 |
| commit | f4b97536ed71fbe05b8b0886d63f5ea2c4c66ae8 (patch) | |
| tree | e8c852588d3ba38102c6665c371b868efee661ac /gas/doc | |
| parent | 8efca6bae5ba97df122dc08b74a2ffb768d46c04 (diff) | |
| download | gdb-f4b97536ed71fbe05b8b0886d63f5ea2c4c66ae8.zip gdb-f4b97536ed71fbe05b8b0886d63f5ea2c4c66ae8.tar.gz gdb-f4b97536ed71fbe05b8b0886d63f5ea2c4c66ae8.tar.bz2 | |
* config/tc-alpha.c (s_alpha_usepv): New.
(md_pseudo_table): Add it.
(alpha_cfi_frame_initial_instructions): New.
* config/tc-alpha.h (TARGET_USE_CFIPOP): New.
(tc_cfi_frame_initial_instructions): New.
* doc/c-alpha.texi: Document .usepv.
* gas/alpha/elf-usepv-1.[sd]: New.
* gas/alpha/elf-usepv-2.[sd]: New.
* gas/alpha/alpha.exp: Run them.
* gas/cfi/cfi-alpha-3.[sd]: New.
* gas/cfi/cfi.exp: Run it.
Diffstat (limited to 'gas/doc')
| -rw-r--r-- | gas/doc/c-alpha.texi | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/gas/doc/c-alpha.texi b/gas/doc/c-alpha.texi index 359dfcc..dfc05f4 100644 --- a/gas/doc/c-alpha.texi +++ b/gas/doc/c-alpha.texi @@ -379,6 +379,18 @@ to perform a load of the GP register; 2 indicates that @code{$27} is used in some non-standard way and so the linker cannot elide the load of the procedure vector during relaxation. +@item .usepv @var{function}, @var{which} +Used to indicate the use of the @code{$27} register, similar to +@code{.prologue}, but without the other semantics of needing to +be inside an open @code{.ent}/@code{.end} block. + +The @var{which} argument should be either @code{no}, indicating that +@code{$27} is not used, or @code{std}, indicating that the first two +instructions of the function perform a GP load. + +One might use this directive instead of @code{.prologue} if you are +also using dwarf2 CFI directives. + @item .gprel32 @var{expression} Computes the difference between the address in @var{expression} and the GP for the current object file, and stores it in 4 bytes. In addition |