mirror of
https://github.com/partic2/libffi
synced 2026-11-09 17:47:19 +00:00
Richard Henderson
0e41c73b09
Reduces stack size. It was only used by the closure, and there are available argument registers.
68 lines
2.2 KiB
C
68 lines
2.2 KiB
C
/*
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Permission is hereby granted, free of charge, to any person obtaining
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a copy of this software and associated documentation files (the
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``Software''), to deal in the Software without restriction, including
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without limitation the rights to use, copy, modify, merge, publish,
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distribute, sublicense, and/or sell copies of the Software, and to
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permit persons to whom the Software is furnished to do so, subject to
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the following conditions:
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The above copyright notice and this permission notice shall be
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included in all copies or substantial portions of the Software.
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THE SOFTWARE IS PROVIDED ``AS IS'', WITHOUT WARRANTY OF ANY KIND,
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EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
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IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
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CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
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TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
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SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */
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#define AARCH64_RET_VOID 0
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#define AARCH64_RET_INT64 1
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#define AARCH64_RET_INT128 2
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#define AARCH64_RET_UNUSED3 3
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#define AARCH64_RET_UNUSED4 4
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#define AARCH64_RET_UNUSED5 5
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#define AARCH64_RET_UNUSED6 6
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#define AARCH64_RET_UNUSED7 7
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/* Note that FFI_TYPE_FLOAT == 2, _DOUBLE == 3, _LONGDOUBLE == 4,
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so _S4 through _Q1 are layed out as (TYPE * 4) + (4 - COUNT). */
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#define AARCH64_RET_S4 8
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#define AARCH64_RET_S3 9
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#define AARCH64_RET_S2 10
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#define AARCH64_RET_S1 11
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#define AARCH64_RET_D4 12
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#define AARCH64_RET_D3 13
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#define AARCH64_RET_D2 14
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#define AARCH64_RET_D1 15
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#define AARCH64_RET_Q4 16
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#define AARCH64_RET_Q3 17
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#define AARCH64_RET_Q2 18
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#define AARCH64_RET_Q1 19
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/* Note that each of the sub-64-bit integers gets two entries. */
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#define AARCH64_RET_UINT8 20
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#define AARCH64_RET_UINT16 22
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#define AARCH64_RET_UINT32 24
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#define AARCH64_RET_SINT8 26
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#define AARCH64_RET_SINT16 28
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#define AARCH64_RET_SINT32 30
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#define AARCH64_RET_MASK 31
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#define AARCH64_RET_IN_MEM (1 << 5)
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#define AARCH64_RET_NEED_COPY (1 << 6)
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#define AARCH64_FLAG_ARG_V_BIT 7
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#define AARCH64_FLAG_ARG_V (1 << AARCH64_FLAG_ARG_V_BIT)
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#define N_X_ARG_REG 8
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#define N_V_ARG_REG 8
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#define CALL_CONTEXT_SIZE (N_V_ARG_REG * 16 + N_X_ARG_REG * 8)
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