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Diffstat (limited to 'gcc/doc/tm.texi')
| -rw-r--r-- | gcc/doc/tm.texi | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/gcc/doc/tm.texi b/gcc/doc/tm.texi index e32e77ea14a..9b35651c8e8 100644 --- a/gcc/doc/tm.texi +++ b/gcc/doc/tm.texi @@ -7433,6 +7433,18 @@ is non-NULL, it is the @code{VAR_DECL} or @code{FUNCTION_DECL} with which this section is associated. @end deftypefn +@deftypefn {Target Hook} bool TARGET_ASM_ELF_FLAGS_NUMERIC (unsigned int @var{flags}, unsigned int *@var{num}) +This hook can be used to encode ELF section flags for which no letter +code has been defined in the assembler. It is called by +@code{default_asm_named_section} whenever the section flags need to be +emitted in the assembler output. If the hook returns true, then the +numerical value for ELF section flags should be calculated from +@var{flags} and saved in @var{*num}; the value is printed out instead of the +normal sequence of letter codes. If the hook is not defined, or if it +returns false, then @var{num} is ignored and the traditional letter sequence +is emitted. +@end deftypefn + @deftypefn {Target Hook} {section *} TARGET_ASM_FUNCTION_SECTION (tree @var{decl}, enum node_frequency @var{freq}, bool @var{startup}, bool @var{exit}) Return preferred text (sub)section for function @var{decl}. Main purpose of this function is to separate cold, normal and hot |