diff options
Diffstat (limited to 'gcc/doc/tm.texi.in')
| -rw-r--r-- | gcc/doc/tm.texi.in | 20 |
1 files changed, 13 insertions, 7 deletions
diff --git a/gcc/doc/tm.texi.in b/gcc/doc/tm.texi.in index 8fe193c4f25..92835c19c1e 100644 --- a/gcc/doc/tm.texi.in +++ b/gcc/doc/tm.texi.in @@ -6477,14 +6477,15 @@ You should define this symbol if your target supports DWARF 2 frame unwind information and the default definition does not work. @end defmac -@defmac EH_FRAME_IN_DATA_SECTION -If defined, DWARF 2 frame unwind information will be placed in the -data section even though the target supports named sections. This -might be necessary, for instance, if the system linker does garbage -collection and sections cannot be marked as not to be collected. +@defmac EH_FRAME_THROUGH_COLLECT2 +If defined, DWARF 2 frame unwind information will identified by +specially named labels. The collect2 process will locate these +labels and generate code to register the frames. -Do not define this macro unless @code{TARGET_ASM_NAMED_SECTION} is -also defined. +This might be necessary, for instance, if the system linker will not +place the eh_frames in-between the sentinals from @file{crtstuff.c}, +or if the system linker does garbage collection and sections cannot +be marked as not to be collected. @end defmac @defmac EH_TABLES_CAN_BE_READ_ONLY @@ -7033,6 +7034,11 @@ A C statement to issue assembly directives that create a self-relative reference to the given @var{label}, using an integer of the given @var{size}. @end defmac +@defmac ASM_OUTPUT_DWARF_DATAREL (@var{stream}, @var{size}, @var{label}) +A C statement to issue assembly directives that create a reference to the +given @var{label} relative to the dbase, using an integer of the given @var{size}. +@end defmac + @defmac ASM_OUTPUT_DWARF_TABLE_REF (@var{label}) A C statement to issue assembly directives that create a reference to the DWARF table identifier @var{label} from the current section. This |