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ea628f28e5
InternalLongJump was not returning the 2nd parameter passed to LongJmp (Value) as the return value from SetJmp. Seen with code compiled with -Os, where an LongJmp (Buffer, -1) somehow translated to SetJmp returning 0... Cc: Yong Li <yong.li@intel.com> Cc: Sunil V L <sunilvl@ventanamicro.com> Cc: Tuan Phan <tphan@ventanamicro.com> Cc: Daniel Schaefer <git@danielschaefer.me> Signed-off-by: Andrei Warkentin <andrei.warkentin@intel.com> Reviewed-by: Sunil V L <sunilvl@ventanamicro.com>
53 lines
1.4 KiB
ArmAsm
53 lines
1.4 KiB
ArmAsm
//------------------------------------------------------------------------------
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//
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// Set/Long jump for RISC-V
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//
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// Copyright (c) 2020, Hewlett Packard Enterprise Development LP. All rights reserved.<BR>
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// Copyright (c) 2023, Intel Corporation. All rights reserved.<BR>
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//
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// SPDX-License-Identifier: BSD-2-Clause-Patent
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//
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//------------------------------------------------------------------------------
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# define REG_S sd
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# define REG_L ld
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# define SZREG 8
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.align 3
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.globl SetJump
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SetJump:
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REG_S ra, 0*SZREG(a0)
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REG_S s0, 1*SZREG(a0)
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REG_S s1, 2*SZREG(a0)
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REG_S s2, 3*SZREG(a0)
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REG_S s3, 4*SZREG(a0)
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REG_S s4, 5*SZREG(a0)
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REG_S s5, 6*SZREG(a0)
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REG_S s6, 7*SZREG(a0)
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REG_S s7, 8*SZREG(a0)
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REG_S s8, 9*SZREG(a0)
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REG_S s9, 10*SZREG(a0)
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REG_S s10, 11*SZREG(a0)
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REG_S s11, 12*SZREG(a0)
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REG_S sp, 13*SZREG(a0)
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li a0, 0
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ret
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.globl InternalLongJump
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InternalLongJump:
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REG_L ra, 0*SZREG(a0)
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REG_L s0, 1*SZREG(a0)
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REG_L s1, 2*SZREG(a0)
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REG_L s2, 3*SZREG(a0)
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REG_L s3, 4*SZREG(a0)
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REG_L s4, 5*SZREG(a0)
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REG_L s5, 6*SZREG(a0)
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REG_L s6, 7*SZREG(a0)
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REG_L s7, 8*SZREG(a0)
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REG_L s8, 9*SZREG(a0)
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REG_L s9, 10*SZREG(a0)
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REG_L s10, 11*SZREG(a0)
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REG_L s11, 12*SZREG(a0)
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REG_L sp, 13*SZREG(a0)
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mv a0, a1
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ret
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