diff options
Diffstat (limited to 'ld/ld.texinfo')
| -rw-r--r-- | ld/ld.texinfo | 30 |
1 files changed, 29 insertions, 1 deletions
diff --git a/ld/ld.texinfo b/ld/ld.texinfo index 2ce7560..8f2dfdb 100644 --- a/ld/ld.texinfo +++ b/ld/ld.texinfo @@ -3001,7 +3001,8 @@ Info entry for @file{ld}. @c man begin OPTIONS The following options are supported to control microMIPS instruction -generation when linking for MIPS targets. +generation and branch relocation checks for ISA mode transitions when +linking for MIPS targets. @table @gcctabopt @@ -3016,6 +3017,20 @@ or in relaxation. If @samp{--insn32} is used, then the linker only uses used, all instruction encodings are used, including 16-bit ones where possible. +@kindex --ignore-branch-isa +@item --ignore-branch-isa +@kindex --no-ignore-branch-isa +@itemx --no-ignore-branch-isa +These options control branch relocation checks for invalid ISA mode +transitions. If @samp{--ignore-branch-isa} is used, then the linker +accepts any branch relocations and any ISA mode transition required +is lost in relocation calculation, except for some cases of @code{BAL} +instructions which meet relaxation conditions and are converted to +equivalent @code{JALX} instructions as the associated relocation is +calculated. By default or if @samp{--no-ignore-branch-isa} is used +a check is made causing the loss of an ISA mode transition to produce +an error. + @end table @c man end @@ -7062,6 +7077,19 @@ used, then the linker only uses 32-bit instruction encodings. By default or if @samp{--no-insn32} is used, all instruction encodings are used, including 16-bit ones where possible. +@cindex MIPS branch relocation check control +@kindex --ignore-branch-isa +@kindex --no-ignore-branch-isa +The @samp{--ignore-branch-isa} and @samp{--no-ignore-branch-isa} options +control branch relocation checks for invalid ISA mode transitions. If +@samp{--ignore-branch-isa} is used, then the linker accepts any branch +relocations and any ISA mode transition required is lost in relocation +calculation, except for some cases of @code{BAL} instructions which meet +relaxation conditions and are converted to equivalent @code{JALX} +instructions as the associated relocation is calculated. By default +or if @samp{--no-ignore-branch-isa} is used a check is made causing +the loss of an ISA mode transition to produce an error. + @ifclear GENERIC @lowersections @end ifclear |