runtc: rename to run-toochain

Names up to two full words are saner and not too long

README.adoc

@@ -877,7 +877,7 @@ so it is close to the failing `0xbf0000cc`.
 `readelf`:
 
 ....
-./runtc readelf -- -s "$(./getvar build_dir)/kernel_modules-1.0/hello.ko"
+./run-toolchain readelf -- -s "$(./getvar build_dir)/kernel_modules-1.0/hello.ko"
 ....
 
 does not give any interesting hits at `cc`, no symbol was placed that far.
@@ -950,7 +950,7 @@ The base address shows on terminal:
 Now let's find the offset of `myinit`:
 
 ....
-./runtc readelf -- \
+./run-toolchain readelf -- \
   -s "$(./getvar build_dir)/kernel_modules-1.0/fops.ko" | \
   grep myinit
 ....
@@ -1273,7 +1273,7 @@ Cannot access memory at address 0x10604
 We have also double checked the address with:
 
 ....
-./runtc --arch arm readelf -- \
+./run-toolchain --arch arm readelf -- \
   -s "$(./getvar --arch arm build_dir)/kernel_modules-1.0/fops.ko" | \
   grep main
 ....
@@ -1878,7 +1878,7 @@ TODO Can you run arm executables in the aarch64 guest? https://stackoverflow.com
 I've tried:
 
 ....
-./runtc --arch aarch64 gcc -- -static ~/test/hello_world.c -o data/9p/a.out
+./run-toolchain --arch aarch64 gcc -- -static ~/test/hello_world.c -o data/9p/a.out
 ./run --arch aarch64 --eval-busybox '/mnt/9p/a.out'
 ....
 
@@ -3679,7 +3679,7 @@ vermagic:       4.17.0 SMP mod_unload modversions
 Module information is stored in a special `.modinfo` section of the ELF file:
 
 ....
-./runtc readelf -- -SW "$(./getvar target_dir)/module_info.ko"
+./run-toolchain readelf -- -SW "$(./getvar target_dir)/module_info.ko"
 ....
 
 contains:
@@ -3691,7 +3691,7 @@ contains:
 and:
 
 ....
-./runtc readelf -- -x .modinfo "$(./getvar build_dir)/module_info.ko"
+./run-toolchain readelf -- -x .modinfo "$(./getvar build_dir)/module_info.ko"
 ....
 
 gives:
@@ -3908,7 +3908,7 @@ as explained at: https://stackoverflow.com/questions/8545931/using-gdb-to-conver
 The exact same thing can be done post mortem with:
 
 ....
-./runtc gdb -- \
+./run-toolchain gdb -- \
   -batch \
   -ex 'info line *(myinit+0x1d)' \
   "$(./getvar build_dir)/kernel_modules-1.0/panic.ko" \
@@ -5238,7 +5238,7 @@ Meaning of the flags:
 * `vaddr`: first virtual address of a page the belongs to the process. Notably:
 +
 ....
-./runtc readelf -- -l "$(./getvar build_dir)/kernel_modules-1.0/user/virt_to_phys_test.out"
+./run-toolchain readelf -- -l "$(./getvar build_dir)/kernel_modules-1.0/user/virt_to_phys_test.out"
 ....
 +
 contains:
@@ -5610,7 +5610,7 @@ Notes:
 It can be found from:
 +
 ....
-./runtc readelf -- -e "$(./getvar vmlinux)" | grep Entry
+./run-toolchain readelf -- -e "$(./getvar vmlinux)" | grep Entry
 ....
 +
 TODO confirm further. If I try to break there with:
@@ -7169,7 +7169,7 @@ The reason this is cool, is that `ls` is not statically compiled, but since we h
 In other words, much cooler than:
 
 ....
-./runtc --arch arm gcc -- -static ./packages/kernel_modules/user/hello.c
+./run-toolchain --arch arm gcc -- -static ./packages/kernel_modules/user/hello.c
 qemu-arm a.out
 ....
 
@@ -7220,9 +7220,9 @@ First we try some `-static` sanity checks.
 Works and prints `hello`:
 
 ....
-./runtc --arch x86_64  gcc -- -static -o x86_64.out  ./packages/kernel_modules/user/hello.c
-./runtc --arch arm     gcc -- -static -o arm.out     ./packages/kernel_modules/user/hello.c
-./runtc --arch aarch64 gcc -- -static -o aarch64.out ./packages/kernel_modules/user/hello.c
+./run-toolchain --arch x86_64  gcc -- -static -o x86_64.out  ./packages/kernel_modules/user/hello.c
+./run-toolchain --arch arm     gcc -- -static -o arm.out     ./packages/kernel_modules/user/hello.c
+./run-toolchain --arch aarch64 gcc -- -static -o aarch64.out ./packages/kernel_modules/user/hello.c
 "$(./getvar --arch x86_64  --gem5 exec)" "$(./getvar gem5_se_file)" -c ./x86_64.out
 "$(./getvar --arch arm     --gem5 exec)" "$(./getvar gem5_se_file)" -c ./arm.out
 "$(./getvar --arch aarch64 --gem5 exec)" "$(./getvar gem5_se_file)" -c ./aarch64.out
@@ -7262,7 +7262,7 @@ gem5 user mode:
 ....
 make \
   -C "$(./getvar --arch arm build_dir)/dhrystone-2" \
-  CC="$(./runtc --arch arm --dry gcc)" \
+  CC="$(./run-toolchain --arch arm --dry gcc)" \
   CFLAGS=-static \
 ;
 time \