This CL removes the remaining visible uses of the "architecture letter" concept.
(They are no longer in tool names nor in source directory names.)
Because the architecture letter concept is now gone, delete GOCHAR
from "go env" output, and change go/build.ArchChar to return an
error always.
The architecture letter is still used in the compiler and linker sources
as a clumsy architecture enumeration, but that use is not visible to
Go users and can be cleaned up separately.
Change-Id: I4d97a38f372003fb610c9c5241bea440d9dbeb8d
Reviewed-on: https://go-review.googlesource.com/10289
Reviewed-by: Rob Pike <r@golang.org>
The creation of liblink and subsequent introduction of more explicit
TLS handling broke 6l's (unsupported) -shared flag. This change adds
-shared flags to cmd/asm and 6g and changes liblink to generate shared-
library compatible instruction sequences when they are passed, and
changes 6l to emit the appropriate ELF relocation.
A proper fix probably also requires go tool changes.
Fixes#9652.
Change-Id: I7b7718fe7305c802ac994f4a5c8de68cfbe6c76b
Reviewed-on: https://go-review.googlesource.com/4321
Reviewed-by: Ian Lance Taylor <iant@golang.org>
Run-TryBot: Ian Lance Taylor <iant@golang.org>
TryBot-Result: Gobot Gobot <gobot@golang.org>
verifyAsm is still on, but this CL changes the order to asm then 6a.
Before, it was 6a then asm, but that meant that any bugs in asm
for bad input would be prevented from happening because 6a would
catch them. Now asm gets first crack, as it must.
Also implement the -trimpath flag in asm. It's necessary and trivial.
Change-Id: Ifb2ab870de1aa1b53dec76a78ac697a0d36fa80a
Reviewed-on: https://go-review.googlesource.com/5850
Reviewed-by: Russ Cox <rsc@golang.org>
Fix one place where semicolons were not recognized and fix the
pattern match for the syntax of some pseudo ops.
Also clean up a couple of unreachable code pieces.
There is still an undiagnosed bit difference betwen old and new .6
files. TBD.
With these fixes, asm can successfully compile and test the entire tree.
(Verified by
turn off verifyAsm in cmd/go
make.bash
cp $GOROOT/bin/asm $GOROOT/pkg/tool/darwin_amd64/6a
go test -short std
)
Change-Id: I91ea892098f76ef4f129fd2530e0c63ffd8745a9
Reviewed-on: https://go-review.googlesource.com/3688
Reviewed-by: Russ Cox <rsc@golang.org>
Set -S to false and add -debug to control the other debugging print.
Change-Id: I864866c3d264a33e6dd0ce12a86a050a5fe0f875
Reviewed-on: https://go-review.googlesource.com/3453
Reviewed-by: Andrew Gerrand <adg@golang.org>
Reviewed-by: Russ Cox <rsc@golang.org>
Add the lexing code for the new portable assembler.
It is internal to the assembler, so lives in a subdirectory of cmd/asm/internal.
Its only new dependency is the flags package for the assembler, so
add that too; it's trivial. That package manages the command-line
flags in a central place.
The lexer builds on text/scanner to lex the input, including doing a
Plan 9-level implementation of the C preprocessor.
Change-Id: I262e8717b8c797010afaa5051920839906c0dd19
Reviewed-on: https://go-review.googlesource.com/3195
Reviewed-by: Russ Cox <rsc@golang.org>
