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users/azan
| Author | SHA1 | Date | |
|---|---|---|---|
|
7806b4b58f |
@@ -1,3 +1,37 @@
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2018-02-05 Adhemerval Zanella <adhemerval.zanella@linaro.org>
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* gold/aarch64.c (AArch64_insn_utilities::aarch64_movn_decode_imm):
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New function.
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(AArch64_insn_utilities::aarch64_movk_decode_imm): Likewise.
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(AArch64_insn_utilities::clz_hwi): Likewise.
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(AArch64_insn_utilities::aarch64_bitmask_imm): Likewise.
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(Target_aarch64::do_calls_non_split): Likewise.
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* gold/testsuite/Makefile.am [DEFAULT_TARGET_AARCH64] (check_SCRIPTS):
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add split_aarch64.sh.
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[DEFAULT_TARGET_AARCH64] (check_DATA): Add split_aarch64_{1,2,3,4,r)
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tests.
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[DEFAULT_TARGET_AARCH64] (SPLIT_DEFSYMS): New rule.
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[DEFAULT_TARGET_AARCH64] (split_aarch64_1.o): Likewise.
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[DEFAULT_TARGET_AARCH64] (split_aarch64_2.o): Likewise.
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[DEFAULT_TARGET_AARCH64] (split_aarch64_3.o): Likewise.
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[DEFAULT_TARGET_AARCH64] (split_aarch64_4.o): Likewise.
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[DEFAULT_TARGET_AARCH64] (split_aarch64_r.o): Likewise.
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[DEFAULT_TARGET_AARCH64] (split_aarch64_n.o): Likewise.
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[DEFAULT_TARGET_AARCH64] (split_aarch64_1): Likewise.
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[DEFAULT_TARGET_AARCH64] (split_aarch64_2): Likewise.
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[DEFAULT_TARGET_AARCH64] (split_aarch64_2.stdout): Likewise.
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[DEFAULT_TARGET_AARCH64] (split_aarch64_3.stdout): Likewise.
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[DEFAULT_TARGET_AARCH64] (split_aarch64_4): Likewise.
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[DEFAULT_TARGET_AARCH64] (split_aarch64_4.stdout): Likewise.
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[DEFAULT_TARGET_AARCH64] (split_aarch64_r.stdout): Likewise.
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[DEFAULT_TARGET_AARCH64] (MOSTLYCLEANFILES): Likewise.
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* gold/testsuite/split_aarch64.sh: New file.
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* gold/testsuite/split_aarch64_1.s: Likewise.
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* gold/testsuite/split_aarch64_2.s: Likewise.
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* gold/testsuite/split_aarch64_3.s: Likewise.
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* gold/testsuite/split_aarch64_4.s: Likewise.
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* gold/testsuite/split_aarch64_n.s: Likewise.
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2018-02-07 Alan Modra <amodra@gmail.com>
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Revert 2018-01-17 Alan Modra <amodra@gmail.com>
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212
gold/aarch64.cc
212
gold/aarch64.cc
@@ -69,7 +69,7 @@ class AArch64_relocate_functions;
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// Utility class dealing with insns. This is ported from macros in
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// bfd/elfnn-aarch64.cc, but wrapped inside a class as static members. This
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// class is used in erratum sequence scanning.
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// class is used in erratum sequence scanning and split-stack calls.
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template<bool big_endian>
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class AArch64_insn_utilities
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@@ -167,6 +167,98 @@ public:
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return ((((uint64_t)(1) << 32) - msbt) << 33) | value;
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}
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// Retrieve encoded movn 64-bit signed imm value (64-bit variant only).
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static int64_t
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aarch64_movn_decode_imm(const Insntype movn)
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{
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int64_t imm = (movn & 0x1fffe0) >> 5;
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int hw = ((movn & 0x600000) >> 21) << 4;
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return imm << hw;
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}
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// Retrieve encoded movk 64-bit signed imm value updating and existent value
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// (64-bit variant only).
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static int64_t
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aarch64_movk_decode_imm(const Insntype movk, int64_t value)
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{
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int64_t imm = (movk & 0x1FFFE0) >> 5;
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int hw = ((movk & 0x600000) >> 21) << 4;
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int64_t ret = imm << hw;
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int64_t mask = 0xffff << hw;
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return value ^ ((value ^ ret) & mask);
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}
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// Return true if val is an immediate that can be loaded into a
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// register by a MOVZ instruction.
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static bool
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aarch64_movw_imm (int64_t val)
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{
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return ((val & 0xffffl) == val)
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|| ((val & (0xffffl << 16)) == val)
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|| ((val & (0xffffl << 32)) == val)
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|| ((val & (0xffffl << 48)) == val);
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}
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// For convenience, define 0 -> word_size.
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static inline int
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clz_hwi (uint64_t x)
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{
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if (x == 0)
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return 64;
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return __builtin_clzl (x);
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}
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// Return true if val is a valid bitmask immediate.
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static bool
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aarch64_bitmask_imm (int64_t val_in)
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{
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static const uint64_t bitmask_imm_mul[] =
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{
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0x0000000100000001ull,
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0x0001000100010001ull,
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0x0101010101010101ull,
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0x1111111111111111ull,
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0x5555555555555555ull,
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};
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uint64_t val, tmp, mask, first_one, next_one;
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int bits;
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// Check for a single sequence of one bits and return quickly if so.
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// The special cases of all ones and all zeroes returns false.
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val = (uint64_t) val_in;
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tmp = val + (val & -val);
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if (tmp == (tmp & -tmp))
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return (val + 1) > 1;
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// Invert if the immediate doesn't start with a zero bit - this means we
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// only need to search for sequences of one bits.
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if (val & 1)
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val = ~val;
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// Find the first set bit and set tmp to val with the first sequence of
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// one bits removed. Return success if there is a single sequence of
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// ones.
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first_one = val & -val;
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tmp = val & (val + first_one);
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if (tmp == 0)
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return true;
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// Find the next set bit and compute the difference in bit position.
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next_one = tmp & -tmp;
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bits = clz_hwi (first_one) - clz_hwi (next_one);
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mask = val ^ tmp;
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// Check the bit position difference is a power of 2, and that the first
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// sequence of one bits fits within 'bits' bits.
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if ((mask >> bits) != 0 || bits != (bits & -bits))
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return false;
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// Check the sequence of one bits is repeated 64/bits times.
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return val == mask * bitmask_imm_mul[__builtin_clz (bits) - 26];
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}
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static bool
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aarch64_b(const Insntype insn)
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{ return (insn & 0xFC000000) == 0x14000000; }
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@@ -3054,6 +3146,14 @@ class Target_aarch64 : public Sized_target<size, big_endian>
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do_can_check_for_function_pointers() const
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{ return true; }
|
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|
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// Adjust -fsplit-stack code which calls non-split-stack code.
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void
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do_calls_non_split(Relobj* object, unsigned int shndx,
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section_offset_type fnoffset, section_size_type fnsize,
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const unsigned char* prelocs, size_t reloc_count,
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unsigned char* view, section_size_type view_size,
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std::string* from, std::string* to) const;
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// Return the number of entries in the PLT.
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unsigned int
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plt_entry_count() const;
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@@ -6844,6 +6944,116 @@ Target_aarch64<size, big_endian>::gc_process_relocs(
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plocal_symbols);
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}
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// FNOFFSET in section SHNDX in OBJECT is the start of a function
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// compiled with -fsplit-stack. The function calls non-split-stack
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// code. Change the function to ensure it has enough stack space to
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// call some random function.
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template<int size, bool big_endian>
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void
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Target_aarch64<size, big_endian>::do_calls_non_split(
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Relobj* object,
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unsigned int shndx,
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section_offset_type fnoffset,
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section_size_type fnsize,
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const unsigned char* prelocs,
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size_t reloc_count,
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unsigned char* view,
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section_size_type view_size,
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std::string* from,
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std::string* to) const
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{
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// 32-bit not supported.
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if (size == 32)
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{
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// warn
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Target::do_calls_non_split(object, shndx, fnoffset, fnsize,
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prelocs, reloc_count, view, view_size,
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from, to);
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return;
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}
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// The function starts with:
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// mrs x9, tpidr_el0
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// mov x10, <required stack allocation>
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// movk x10, #0x0, lsl #16
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// sub x10, sp, x10
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// mov x11, sp # if function has stacked arguments
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// mov x12, x30
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// ldur x9, [x9, #-8]
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// cmp x9, x10
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unsigned char *entry = view + fnoffset;
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unsigned char *pinsn = entry;
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bool ok = false;
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const uint32_t mov_mask = 0xff80001f; // ignore 'hw' bits.
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const uint32_t mrs_x9_tp = 0xd53bd049;
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const uint32_t movz_x10_imm = 0xd280000a;
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const uint32_t movk_x10_imm = 0xf280000a;
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const uint32_t cmp_x10_mask = 0xeb00015f;
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const size_t max_insn = 8;
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uint32_t insn = elfcpp::Swap<32, big_endian>::readval(entry);
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if (insn == mrs_x9_tp)
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{
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unsigned char *pmov = 0, *pmovk = 0;
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int64_t allocate = 0;
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/* Add an upper limit to handle ill formated headers. */
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for (size_t i = 0; i < max_insn; i++)
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{
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pinsn += 4;
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insn = elfcpp::Swap<32, big_endian>::readval(pinsn);
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if ((insn & mov_mask) == movz_x10_imm)
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{
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pmov = pinsn;
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allocate = Insn_utilities::aarch64_movn_decode_imm(insn);
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}
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else if ((insn & mov_mask) == movk_x10_imm)
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{
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pmovk = pinsn;
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allocate = Insn_utilities::aarch64_movk_decode_imm(insn, allocate);
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}
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else if ((insn & cmp_x10_mask) == cmp_x10_mask)
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break;
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}
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if (pmov != 0 && pmovk != 0)
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{
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int extra = parameters->options().split_stack_adjust_size();
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allocate += extra;
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if (allocate >= ((int64_t)1 << 32) || extra < 0)
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{
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object->error(_("split-stack stack size overflow at "
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"section %u offset %0zx"),
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shndx, static_cast<size_t>(fnoffset));
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return;
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}
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insn = movz_x10_imm | ((allocate & 0xffff) << 5);
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elfcpp::Swap<32, big_endian>::writeval(pmov, insn);
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insn = movk_x10_imm | (((allocate >> 16) & 0xffff) << 5);
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insn |= 0x200000; // Set 'hw' bits to 01 to shift imm 16 bits.
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elfcpp::Swap<32, big_endian>::writeval(pmovk, insn);
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ok = true;
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}
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}
|
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|
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if (!ok)
|
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{
|
||||
if (!object->has_no_split_stack())
|
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object->error(_("failed to match split-stack sequence at "
|
||||
"section %u offset %0zx"),
|
||||
shndx, static_cast<size_t>(fnoffset));
|
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}
|
||||
|
||||
// We have to change the function so that it calls
|
||||
// __morestack_non_split instead of __morestack. The former will
|
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// allocate additional stack space.
|
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*from = "__morestack";
|
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*to = "__morestack_non_split";
|
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}
|
||||
|
||||
// Scan relocations for a section.
|
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|
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template<int size, bool big_endian>
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|
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@@ -3875,16 +3875,45 @@ endif DEFAULT_TARGET_ARM
|
||||
|
||||
if DEFAULT_TARGET_AARCH64
|
||||
|
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check_SCRIPTS += aarch64_reloc_none.sh
|
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check_DATA += aarch64_reloc_none.stdout
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check_SCRIPTS += aarch64_reloc_none.sh split_aarch64.sh
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check_DATA += aarch64_reloc_none.stdout split_aarch64_1.stdout \
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split_aarch64_2.stdout split_aarch64_3.stdout split_aarch64_4.stdout \
|
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split_aarch64_r.stdout
|
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aarch64_reloc_none.o: aarch64_reloc_none.s
|
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$(TEST_AS) -o $@ $<
|
||||
aarch64_reloc_none: aarch64_reloc_none.o ../ld-new
|
||||
../ld-new -o $@ aarch64_reloc_none.o --gc-sections
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aarch64_reloc_none.stdout: aarch64_reloc_none
|
||||
$(TEST_NM) $< > $@
|
||||
|
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MOSTLYCLEANFILES += aarch64_reloc_none
|
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SPLIT_DEFSYMS = --defsym __morestack=0x100 --defsym __morestack_non_split=0x200
|
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split_aarch64_1.o: split_aarch64_1.s
|
||||
$(TEST_AS) -o $@ $<
|
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split_aarch64_2.o: split_aarch64_2.s
|
||||
$(TEST_AS) -o $@ $<
|
||||
split_aarch64_3.o: split_aarch64_3.s
|
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$(TEST_AS) -o $@ $<
|
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split_aarch64_4.o: split_aarch64_4.s
|
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$(TEST_AS) -o $@ $<
|
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split_aarch64_n.o: split_aarch64_n.s
|
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$(TEST_AS) -o $@ $<
|
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split_aarch64_1: split_aarch64_1.o ../ld-new
|
||||
../ld-new $(SPLIT_DEFSYMS) -o $@ split_aarch64_1.o
|
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split_aarch64_1.stdout: split_aarch64_1
|
||||
$(TEST_OBJDUMP) -d $< > $@
|
||||
split_aarch64_2: split_aarch64_2.o split_aarch64_n.o ../ld-new
|
||||
../ld-new $(SPLIT_DEFSYMS) -o $@ split_aarch64_2.o split_aarch64_n.o
|
||||
split_aarch64_2.stdout: split_aarch64_2
|
||||
$(TEST_OBJDUMP) -d $< > $@
|
||||
split_aarch64_3.stdout: split_aarch64_3.o split_aarch64_n.o ../ld-new
|
||||
../ld-new $(SPLIT_DEFSYMS) -o split_aarch64_3 split_aarch64_3.o split_aarch64_n.o > $@ 2>&1 || exit 0
|
||||
split_aarch64_4: split_aarch64_4.o split_aarch64_n.o ../ld-new
|
||||
../ld-new $(SPLIT_DEFSYMS) -o $@ split_aarch64_4.o split_aarch64_n.o
|
||||
split_aarch64_4.stdout: split_aarch64_4
|
||||
$(TEST_OBJDUMP) -d $< > $@
|
||||
split_aarch64_r.stdout: split_aarch64_1.o split_aarch64_n.o ../ld-new
|
||||
../ld-new -r split_aarch64_1.o split_aarch64_n.o -o split_aarch64_r > $@ 2>&1 || exit 0
|
||||
#MOSTLYCLEANFILES += aarch64_reloc_none split_aarch64_1 split_aarch64_2 \
|
||||
split_aarch64_3 split_aarch64_r
|
||||
|
||||
check_SCRIPTS += aarch64_relocs.sh
|
||||
check_DATA += aarch64_relocs.stdout
|
||||
|
||||
@@ -1012,16 +1012,23 @@ check_PROGRAMS = $(am__EXEEXT_1) $(am__EXEEXT_2) $(am__EXEEXT_3) \
|
||||
@DEFAULT_TARGET_ARM_TRUE@@NATIVE_OR_CROSS_LINKER_TRUE@ arm_target2_abs \
|
||||
@DEFAULT_TARGET_ARM_TRUE@@NATIVE_OR_CROSS_LINKER_TRUE@ arm_target2_got_rel \
|
||||
@DEFAULT_TARGET_ARM_TRUE@@NATIVE_OR_CROSS_LINKER_TRUE@ arm_target_lazy_init
|
||||
#MOSTLYCLEANFILES += aarch64_reloc_none split_aarch64_1 split_aarch64_2 \
|
||||
# split_aarch64_3 split_aarch64_r
|
||||
@DEFAULT_TARGET_AARCH64_TRUE@@NATIVE_OR_CROSS_LINKER_TRUE@am__append_100 = aarch64_reloc_none.sh \
|
||||
@DEFAULT_TARGET_AARCH64_TRUE@@NATIVE_OR_CROSS_LINKER_TRUE@ split_aarch64.sh \
|
||||
@DEFAULT_TARGET_AARCH64_TRUE@@NATIVE_OR_CROSS_LINKER_TRUE@ aarch64_relocs.sh \
|
||||
@DEFAULT_TARGET_AARCH64_TRUE@@NATIVE_OR_CROSS_LINKER_TRUE@ pr21430.sh \
|
||||
@DEFAULT_TARGET_AARCH64_TRUE@@NATIVE_OR_CROSS_LINKER_TRUE@ aarch64_tlsdesc.sh
|
||||
@DEFAULT_TARGET_AARCH64_TRUE@@NATIVE_OR_CROSS_LINKER_TRUE@am__append_101 = aarch64_reloc_none.stdout \
|
||||
@DEFAULT_TARGET_AARCH64_TRUE@@NATIVE_OR_CROSS_LINKER_TRUE@ split_aarch64_1.stdout \
|
||||
@DEFAULT_TARGET_AARCH64_TRUE@@NATIVE_OR_CROSS_LINKER_TRUE@ split_aarch64_2.stdout \
|
||||
@DEFAULT_TARGET_AARCH64_TRUE@@NATIVE_OR_CROSS_LINKER_TRUE@ split_aarch64_3.stdout \
|
||||
@DEFAULT_TARGET_AARCH64_TRUE@@NATIVE_OR_CROSS_LINKER_TRUE@ split_aarch64_4.stdout \
|
||||
@DEFAULT_TARGET_AARCH64_TRUE@@NATIVE_OR_CROSS_LINKER_TRUE@ split_aarch64_r.stdout \
|
||||
@DEFAULT_TARGET_AARCH64_TRUE@@NATIVE_OR_CROSS_LINKER_TRUE@ aarch64_relocs.stdout \
|
||||
@DEFAULT_TARGET_AARCH64_TRUE@@NATIVE_OR_CROSS_LINKER_TRUE@ pr21430.stdout \
|
||||
@DEFAULT_TARGET_AARCH64_TRUE@@NATIVE_OR_CROSS_LINKER_TRUE@ aarch64_tlsdesc.stdout
|
||||
@DEFAULT_TARGET_AARCH64_TRUE@@NATIVE_OR_CROSS_LINKER_TRUE@am__append_102 = aarch64_reloc_none \
|
||||
@DEFAULT_TARGET_AARCH64_TRUE@@NATIVE_OR_CROSS_LINKER_TRUE@ aarch64_relocs \
|
||||
@DEFAULT_TARGET_AARCH64_TRUE@@NATIVE_OR_CROSS_LINKER_TRUE@am__append_102 = aarch64_relocs \
|
||||
@DEFAULT_TARGET_AARCH64_TRUE@@NATIVE_OR_CROSS_LINKER_TRUE@ pr21430 \
|
||||
@DEFAULT_TARGET_AARCH64_TRUE@@NATIVE_OR_CROSS_LINKER_TRUE@ aarch64_tlsdesc
|
||||
@DEFAULT_TARGET_S390_TRUE@@NATIVE_OR_CROSS_LINKER_TRUE@am__append_103 = split_s390.sh
|
||||
@@ -3438,6 +3445,7 @@ LDADD = libgoldtest.a ../libgold.a ../../libiberty/libiberty.a $(LIBINTL) \
|
||||
@DEFAULT_TARGET_X86_64_TRUE@@GCC_TRUE@@NATIVE_LINKER_TRUE@exception_x86_64_bnd_test_DEPENDENCIES = gcctestdir/ld exception_x86_64_bnd_1.o exception_x86_64_bnd_2.o
|
||||
@DEFAULT_TARGET_X86_64_TRUE@@GCC_TRUE@@NATIVE_LINKER_TRUE@exception_x86_64_bnd_test_LDFLAGS = $(exception_test_LDFLAGS) -Wl,-z,bndplt
|
||||
@DEFAULT_TARGET_X86_64_TRUE@@GCC_TRUE@@NATIVE_LINKER_TRUE@exception_x86_64_bnd_test_LDADD = exception_x86_64_bnd_1.o exception_x86_64_bnd_2.o
|
||||
@DEFAULT_TARGET_AARCH64_TRUE@@NATIVE_OR_CROSS_LINKER_TRUE@SPLIT_DEFSYMS = --defsym __morestack=0x100 --defsym __morestack_non_split=0x200
|
||||
@DEFAULT_TARGET_I386_TRUE@@NATIVE_OR_CROSS_LINKER_TRUE@SPLIT_DEFSYMS = --defsym __morestack=0x100 --defsym __morestack_non_split=0x200
|
||||
@DEFAULT_TARGET_S390_TRUE@@NATIVE_OR_CROSS_LINKER_TRUE@SPLIT_DEFSYMS = --defsym __morestack=0x100 --defsym __morestack_non_split=0x200
|
||||
@DEFAULT_TARGET_X32_TRUE@@NATIVE_OR_CROSS_LINKER_TRUE@SPLIT_DEFSYMS = --defsym __morestack=0x100 --defsym __morestack_non_split=0x200
|
||||
@@ -5389,6 +5397,8 @@ arm_target2_got_rel.sh.log: arm_target2_got_rel.sh
|
||||
@p='arm_target2_got_rel.sh'; $(am__check_pre) $(LOG_COMPILE) "$$tst" $(am__check_post)
|
||||
aarch64_reloc_none.sh.log: aarch64_reloc_none.sh
|
||||
@p='aarch64_reloc_none.sh'; $(am__check_pre) $(LOG_COMPILE) "$$tst" $(am__check_post)
|
||||
split_aarch64.sh.log: split_aarch64.sh
|
||||
@p='split_aarch64.sh'; $(am__check_pre) $(LOG_COMPILE) "$$tst" $(am__check_post)
|
||||
aarch64_relocs.sh.log: aarch64_relocs.sh
|
||||
@p='aarch64_relocs.sh'; $(am__check_pre) $(LOG_COMPILE) "$$tst" $(am__check_post)
|
||||
pr21430.sh.log: pr21430.sh
|
||||
@@ -7999,6 +8009,32 @@ uninstall-am:
|
||||
@DEFAULT_TARGET_AARCH64_TRUE@@NATIVE_OR_CROSS_LINKER_TRUE@ ../ld-new -o $@ aarch64_reloc_none.o --gc-sections
|
||||
@DEFAULT_TARGET_AARCH64_TRUE@@NATIVE_OR_CROSS_LINKER_TRUE@aarch64_reloc_none.stdout: aarch64_reloc_none
|
||||
@DEFAULT_TARGET_AARCH64_TRUE@@NATIVE_OR_CROSS_LINKER_TRUE@ $(TEST_NM) $< > $@
|
||||
@DEFAULT_TARGET_AARCH64_TRUE@@NATIVE_OR_CROSS_LINKER_TRUE@split_aarch64_1.o: split_aarch64_1.s
|
||||
@DEFAULT_TARGET_AARCH64_TRUE@@NATIVE_OR_CROSS_LINKER_TRUE@ $(TEST_AS) -o $@ $<
|
||||
@DEFAULT_TARGET_AARCH64_TRUE@@NATIVE_OR_CROSS_LINKER_TRUE@split_aarch64_2.o: split_aarch64_2.s
|
||||
@DEFAULT_TARGET_AARCH64_TRUE@@NATIVE_OR_CROSS_LINKER_TRUE@ $(TEST_AS) -o $@ $<
|
||||
@DEFAULT_TARGET_AARCH64_TRUE@@NATIVE_OR_CROSS_LINKER_TRUE@split_aarch64_3.o: split_aarch64_3.s
|
||||
@DEFAULT_TARGET_AARCH64_TRUE@@NATIVE_OR_CROSS_LINKER_TRUE@ $(TEST_AS) -o $@ $<
|
||||
@DEFAULT_TARGET_AARCH64_TRUE@@NATIVE_OR_CROSS_LINKER_TRUE@split_aarch64_4.o: split_aarch64_4.s
|
||||
@DEFAULT_TARGET_AARCH64_TRUE@@NATIVE_OR_CROSS_LINKER_TRUE@ $(TEST_AS) -o $@ $<
|
||||
@DEFAULT_TARGET_AARCH64_TRUE@@NATIVE_OR_CROSS_LINKER_TRUE@split_aarch64_n.o: split_aarch64_n.s
|
||||
@DEFAULT_TARGET_AARCH64_TRUE@@NATIVE_OR_CROSS_LINKER_TRUE@ $(TEST_AS) -o $@ $<
|
||||
@DEFAULT_TARGET_AARCH64_TRUE@@NATIVE_OR_CROSS_LINKER_TRUE@split_aarch64_1: split_aarch64_1.o ../ld-new
|
||||
@DEFAULT_TARGET_AARCH64_TRUE@@NATIVE_OR_CROSS_LINKER_TRUE@ ../ld-new $(SPLIT_DEFSYMS) -o $@ split_aarch64_1.o
|
||||
@DEFAULT_TARGET_AARCH64_TRUE@@NATIVE_OR_CROSS_LINKER_TRUE@split_aarch64_1.stdout: split_aarch64_1
|
||||
@DEFAULT_TARGET_AARCH64_TRUE@@NATIVE_OR_CROSS_LINKER_TRUE@ $(TEST_OBJDUMP) -d $< > $@
|
||||
@DEFAULT_TARGET_AARCH64_TRUE@@NATIVE_OR_CROSS_LINKER_TRUE@split_aarch64_2: split_aarch64_2.o split_aarch64_n.o ../ld-new
|
||||
@DEFAULT_TARGET_AARCH64_TRUE@@NATIVE_OR_CROSS_LINKER_TRUE@ ../ld-new $(SPLIT_DEFSYMS) -o $@ split_aarch64_2.o split_aarch64_n.o
|
||||
@DEFAULT_TARGET_AARCH64_TRUE@@NATIVE_OR_CROSS_LINKER_TRUE@split_aarch64_2.stdout: split_aarch64_2
|
||||
@DEFAULT_TARGET_AARCH64_TRUE@@NATIVE_OR_CROSS_LINKER_TRUE@ $(TEST_OBJDUMP) -d $< > $@
|
||||
@DEFAULT_TARGET_AARCH64_TRUE@@NATIVE_OR_CROSS_LINKER_TRUE@split_aarch64_3.stdout: split_aarch64_3.o split_aarch64_n.o ../ld-new
|
||||
@DEFAULT_TARGET_AARCH64_TRUE@@NATIVE_OR_CROSS_LINKER_TRUE@ ../ld-new $(SPLIT_DEFSYMS) -o split_aarch64_3 split_aarch64_3.o split_aarch64_n.o > $@ 2>&1 || exit 0
|
||||
@DEFAULT_TARGET_AARCH64_TRUE@@NATIVE_OR_CROSS_LINKER_TRUE@split_aarch64_4: split_aarch64_4.o split_aarch64_n.o ../ld-new
|
||||
@DEFAULT_TARGET_AARCH64_TRUE@@NATIVE_OR_CROSS_LINKER_TRUE@ ../ld-new $(SPLIT_DEFSYMS) -o $@ split_aarch64_4.o split_aarch64_n.o
|
||||
@DEFAULT_TARGET_AARCH64_TRUE@@NATIVE_OR_CROSS_LINKER_TRUE@split_aarch64_4.stdout: split_aarch64_4
|
||||
@DEFAULT_TARGET_AARCH64_TRUE@@NATIVE_OR_CROSS_LINKER_TRUE@ $(TEST_OBJDUMP) -d $< > $@
|
||||
@DEFAULT_TARGET_AARCH64_TRUE@@NATIVE_OR_CROSS_LINKER_TRUE@split_aarch64_r.stdout: split_aarch64_1.o split_aarch64_n.o ../ld-new
|
||||
@DEFAULT_TARGET_AARCH64_TRUE@@NATIVE_OR_CROSS_LINKER_TRUE@ ../ld-new -r split_aarch64_1.o split_aarch64_n.o -o split_aarch64_r > $@ 2>&1 || exit 0
|
||||
@DEFAULT_TARGET_AARCH64_TRUE@@NATIVE_OR_CROSS_LINKER_TRUE@aarch64_globals.o: aarch64_globals.s
|
||||
@DEFAULT_TARGET_AARCH64_TRUE@@NATIVE_OR_CROSS_LINKER_TRUE@ $(TEST_AS) -o $@ $<
|
||||
@DEFAULT_TARGET_AARCH64_TRUE@@NATIVE_OR_CROSS_LINKER_TRUE@aarch64_relocs.o: aarch64_relocs.s
|
||||
|
||||
60
gold/testsuite/split_aarch64.sh
Executable file
60
gold/testsuite/split_aarch64.sh
Executable file
@@ -0,0 +1,60 @@
|
||||
#!/bin/sh
|
||||
|
||||
# split_aarch64.sh -- test -fstack-split for AArch64
|
||||
|
||||
# Copyright (C) 2009-2017 Free Software Foundation, Inc.
|
||||
|
||||
# This file is part of gold.
|
||||
|
||||
# This program is free software; you can redistribute it and/or modify
|
||||
# it under the terms of the GNU General Public License as published by
|
||||
# the Free Software Foundation; either version 3 of the License, or
|
||||
# (at your option) any later version.
|
||||
|
||||
# This program is distributed in the hope that it will be useful,
|
||||
# but WITHOUT ANY WARRANTY; without even the implied warranty of
|
||||
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
||||
# GNU General Public License for more details.
|
||||
|
||||
# You should have received a copy of the GNU General Public License
|
||||
# along with this program; if not, write to the Free Software
|
||||
# Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston,
|
||||
# MA 02110-1301, USA.
|
||||
|
||||
match()
|
||||
{
|
||||
if ! egrep "$1" "$2" >/dev/null 2>&1; then
|
||||
echo 1>&2 "could not find '$1' in $2"
|
||||
exit 1
|
||||
fi
|
||||
}
|
||||
|
||||
nomatch()
|
||||
{
|
||||
if egrep "$1" "$2" >/dev/null 2>&1; then
|
||||
echo 1>&2 "found unexpected '$1' in $2"
|
||||
exit 1
|
||||
fi
|
||||
}
|
||||
|
||||
match 'mov.*+x10,.#0x0( |$)' split_aarch64_1.stdout
|
||||
match 'mov.*+x10,.#0x0,.lsl.#16( |$)' split_aarch64_1.stdout
|
||||
match 'b.*__morestack>?$' split_aarch64_1.stdout
|
||||
|
||||
match 'mov.*+x10,.#0x4000( |$)' split_aarch64_2.stdout
|
||||
match 'mov.*+x10,.#0x0,.lsl.#16( |$)' split_aarch64_2.stdout
|
||||
match 'b.*__morestack_non_split>?$' split_aarch64_2.stdout
|
||||
match 'mov.*+x10,.#0x4210( |$)' split_aarch64_2.stdout
|
||||
match 'mov.*+x10,.#0x0,.lsl.#16( |$)' split_aarch64_2.stdout
|
||||
match 'b.*__morestack_non_split>?$' split_aarch64_2.stdout
|
||||
match 'mov.*+x10,.#0x4110( |$)' split_aarch64_2.stdout
|
||||
match 'mov.*+x10,.#0x1,.lsl.#16( |$)' split_aarch64_2.stdout
|
||||
match 'b.*__morestack_non_split>?$' split_aarch64_2.stdout
|
||||
|
||||
match 'failed to match' split_aarch64_3.stdout
|
||||
|
||||
match 'mov.*+x10,.#0x0( |$)' split_aarch64_4.stdout
|
||||
match 'mov.*+x10,.#0x0,.lsl.#16( |$)' split_aarch64_4.stdout
|
||||
match 'b.*__morestack_non_split>?$' split_aarch64_2.stdout
|
||||
|
||||
match 'cannot mix' split_aarch64_r.stdout
|
||||
45
gold/testsuite/split_aarch64_1.s
Normal file
45
gold/testsuite/split_aarch64_1.s
Normal file
@@ -0,0 +1,45 @@
|
||||
# split_aarch64_1.s: Split aware function calling each other, no need to
|
||||
# adjust stack or change the morestack symbol call.
|
||||
|
||||
.text
|
||||
|
||||
.global fn1
|
||||
.type fn1,@function
|
||||
fn1:
|
||||
mrs x9, tpidr_el0
|
||||
mov x10, 0
|
||||
movk x10, 0x0, lsl 16
|
||||
sub x10, sp, x10
|
||||
adrp x12, .L2
|
||||
add x12, x12, :lo12:.L2
|
||||
ldr x9, [x9, -8]
|
||||
cmp x9, x10
|
||||
blt .Lbcond4
|
||||
b __morestack
|
||||
.Lbcond4:
|
||||
.L2:
|
||||
b fn2
|
||||
.size fn1,. - fn1
|
||||
|
||||
.global fn2
|
||||
.type fn2,@function
|
||||
fn2:
|
||||
mrs x9, tpidr_el0
|
||||
mov x10, 528
|
||||
movk x10, 0x0, lsl 16
|
||||
sub x10, sp, x10
|
||||
adrp x12, .L3
|
||||
add x12, x12, :lo12:.L3
|
||||
ldr x9, [x9, -8]
|
||||
cmp x9, x10
|
||||
blt .Lbcond5
|
||||
b __morestack
|
||||
.Lbcond5:
|
||||
.L3:
|
||||
bl fn1
|
||||
ret
|
||||
|
||||
.size fn2,. - fn2
|
||||
|
||||
.section .note.GNU-stack,"",@progbits
|
||||
.section .note.GNU-split-stack,"",@progbits
|
||||
81
gold/testsuite/split_aarch64_2.s
Normal file
81
gold/testsuite/split_aarch64_2.s
Normal file
@@ -0,0 +1,81 @@
|
||||
# split_aarch64_2.s: Split aware function calling non-split.
|
||||
|
||||
.text
|
||||
|
||||
.global fn1
|
||||
.type fn1,@function
|
||||
fn1:
|
||||
mrs x9, tpidr_el0
|
||||
mov x10, 0
|
||||
movk x10, 0x0, lsl 16
|
||||
sub x10, sp, x10
|
||||
adrp x12, .L2
|
||||
add x12, x12, :lo12:.L2
|
||||
ldr x9, [x9, -8]
|
||||
cmp x9, x10
|
||||
blt .Lbcond4
|
||||
b __morestack
|
||||
.Lbcond4:
|
||||
.L2:
|
||||
b fnn
|
||||
.size fn1,. - fn1
|
||||
|
||||
.global fn2
|
||||
.type fn2,@function
|
||||
fn2:
|
||||
mrs x9, tpidr_el0
|
||||
mov x10, 528
|
||||
movk x10, 0x0, lsl 16
|
||||
sub x10, sp, x10
|
||||
adrp x12, .L6
|
||||
add x12, x12, :lo12:.L6
|
||||
ldr x9, [x9, -8]
|
||||
cmp x9, x10
|
||||
blt .Lbcond8
|
||||
b __morestack
|
||||
.Lbcond8:
|
||||
.L6:
|
||||
bl fnn
|
||||
ret
|
||||
.size fn2,. - fn2
|
||||
|
||||
.global fn3
|
||||
.type fn3,@function
|
||||
fn3:
|
||||
mrs x9, tpidr_el0
|
||||
mov x10, 272
|
||||
movk x10, 0x1, lsl 16
|
||||
sub x10, sp, x10
|
||||
adrp x12, .L10
|
||||
add x12, x12, :lo12:.L10
|
||||
ldr x9, [x9, -8]
|
||||
cmp x9, x10
|
||||
blt .Lbcond12
|
||||
b __morestack
|
||||
.Lbcond12:
|
||||
.L10:
|
||||
bl fnn
|
||||
ret
|
||||
.size fn3, .-fn3
|
||||
|
||||
.global fn4
|
||||
.type fn4,@function
|
||||
fn4:
|
||||
mrs x9, tpidr_el0
|
||||
mov x10, 65520
|
||||
movk x10, 0x1, lsl 16
|
||||
sub x10, sp, x10
|
||||
adrp x12, .L14
|
||||
add x12, x12, :lo12:.L14
|
||||
ldr x9, [x9, -8]
|
||||
cmp x9, x10
|
||||
blt .Lbcond16
|
||||
b __morestack
|
||||
.Lbcond16:
|
||||
.L14:
|
||||
bl fnn
|
||||
ret
|
||||
.size fn4, .-fn4
|
||||
|
||||
.section .note.GNU-stack,"",@progbits
|
||||
.section .note.GNU-split-stack,"",@progbits
|
||||
24
gold/testsuite/split_aarch64_3.s
Normal file
24
gold/testsuite/split_aarch64_3.s
Normal file
@@ -0,0 +1,24 @@
|
||||
# split_aarch64_3.s: Missing initial thread-pointer get instruction.
|
||||
|
||||
.text
|
||||
|
||||
.global fn1
|
||||
.type fn1,@function
|
||||
fn1:
|
||||
mov x10, 0
|
||||
movk x10, 0x0, lsl 16
|
||||
sub x10, sp, x10
|
||||
adrp x12, .L2
|
||||
add x12, x12, :lo12:.L2
|
||||
ldr x9, [x9, -8]
|
||||
cmp x9, x10
|
||||
blt .Lbcond4
|
||||
b __morestack
|
||||
.Lbcond4:
|
||||
.L2:
|
||||
b fnn
|
||||
|
||||
.size fn1,. - fn1
|
||||
|
||||
.section .note.GNU-stack,"",@progbits
|
||||
.section .note.GNU-split-stack,"",@progbits
|
||||
25
gold/testsuite/split_aarch64_4.s
Normal file
25
gold/testsuite/split_aarch64_4.s
Normal file
@@ -0,0 +1,25 @@
|
||||
# split_aarch64_3.s: permitted adjustment failure
|
||||
|
||||
.text
|
||||
|
||||
.global fn1
|
||||
.type fn1,@function
|
||||
fn1:
|
||||
mov x10, 0
|
||||
movk x10, 0x0, lsl 16
|
||||
sub x10, sp, x10
|
||||
adrp x12, .L2
|
||||
add x12, x12, :lo12:.L2
|
||||
ldr x9, [x9, -8]
|
||||
cmp x9, x10
|
||||
blt .Lbcond4
|
||||
b __morestack
|
||||
.Lbcond4:
|
||||
.L2:
|
||||
b fnn
|
||||
|
||||
.size fn1,. - fn1
|
||||
|
||||
.section .note.GNU-stack,"",@progbits
|
||||
.section .note.GNU-split-stack,"",@progbits
|
||||
.section .note.GNU-no-split-stack,"",@progbits
|
||||
12
gold/testsuite/split_aarch64_n.s
Normal file
12
gold/testsuite/split_aarch64_n.s
Normal file
@@ -0,0 +1,12 @@
|
||||
# split_aarch64_n.s: AArch64 specific, -fsplit-stack calling non-split
|
||||
|
||||
.text
|
||||
|
||||
.global fnn
|
||||
.type fnn,@function
|
||||
fnn:
|
||||
ret
|
||||
|
||||
.size fnn,. - fnn
|
||||
|
||||
.section .note.GNU-stack,"",@progbits
|
||||
Reference in New Issue
Block a user