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authorIan Moffett <ian@osmora.org>2024-03-07 17:28:52 -0500
committerIan Moffett <ian@osmora.org>2024-03-07 18:24:51 -0500
commitf5e48e94a2f4d4bbd6e5628c7f2afafc6dbcc459 (patch)
tree93b156621dc0303816b37f60ba88051b702d92f6 /lib/mlibc/options/rtdl/aarch64/runtime.S
parentbd5969fc876a10b18613302db7087ef3c40f18e1 (diff)
build: Build mlibc + add distclean target
Signed-off-by: Ian Moffett <ian@osmora.org>
Diffstat (limited to 'lib/mlibc/options/rtdl/aarch64/runtime.S')
-rw-r--r--lib/mlibc/options/rtdl/aarch64/runtime.S62
1 files changed, 0 insertions, 62 deletions
diff --git a/lib/mlibc/options/rtdl/aarch64/runtime.S b/lib/mlibc/options/rtdl/aarch64/runtime.S
deleted file mode 100644
index c3e2cff..0000000
--- a/lib/mlibc/options/rtdl/aarch64/runtime.S
+++ /dev/null
@@ -1,62 +0,0 @@
-
-.global __mlibcTlsdescStatic
-.hidden __mlibcTlsdescStatic
-.type __mlibcTlsdescStatic,@function
-__mlibcTlsdescStatic:
- ldr x0, [x0, #8]
- ret
-
-// This function depends on the Tcb layout, since it pulls out the dtv pointer
-// out of the thread control block
-.global __mlibcTlsdescDynamic
-.hidden __mlibcTlsdescDynamic
-.type __mlibcTlsdescDynamic,@function
-__mlibcTlsdescDynamic:
- stp x1, x2, [sp, #-16]!
- ldr x0, [x0, #8]
- ldp x1, x2, [x0] // tlsIndex, addend
- mrs x0, tpidr_el0 // tp
- ldr x0, [x0, #-104] // tp->dtvPointers
- ldr x0, [x0, x1, lsl 3] // [tlsIndex]
- add x0, x0, x2 // + addend
- mrs x1, tpidr_el0 // tp
- sub x0, x0, x1 // result - tp
- ldp x1, x2, [sp], #16
- ret
-
-.global pltRelocateStub
-pltRelocateStub:
- // we need to save / restore all registers than can hold function arguments
- // we do not need to save callee-saved registers as they will not be trashed by lazyRelocate
- // TODO: save floating point argument registers
-
- stp x0, x1, [sp, #-16]!
-
- // pointer to PLT entry
- ldr x1, [sp, #24]
- ldr x0, [x16]
- sub x1, x1, x0
- asr x0, x0, #3
-
- // pointer GOT
- sub x0, x16, #8 // &PLTGOT[1]
-
- stp x2, x3, [sp, #-16]!
- stp x4, x5, [sp, #-16]!
- stp x6, x7, [sp, #-16]!
- stp x8, x30, [sp, #-16]!
-
- bl lazyRelocate
- mov x9, x0
-
- ldp x8, x30, [sp], #16
- ldp x6, x7, [sp], #16
- ldp x4, x5, [sp], #16
- ldp x2, x1, [sp], #16
-
- ldp x0, x1, [sp], #16
- add sp, sp, #16
- br x9
-
-.section .note.GNU-stack,"",%progbits
-