mirror of
https://github.com/corda/corda.git
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87b02eb949
Previously, I used a shell script to extract modification date ranges from the Git history, but that was complicated and unreliable, so now every file just gets the same year range in its copyright header. If someone needs to know when a specific file was modified and by whom, they can look at the Git history themselves; no need to include it redundantly in the header.
133 lines
2.6 KiB
ArmAsm
133 lines
2.6 KiB
ArmAsm
/* arm.S: JNI gluecode for ARM
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Copyright (c) 2008-2013, Avian Contributors
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Permission to use, copy, modify, and/or distribute this software
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for any purpose with or without fee is hereby granted, provided
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that the above copyright notice and this permission notice appear
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in all copies.
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There is NO WARRANTY for this software. See license.txt for
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details. */
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#include "avian/types.h"
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.text
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#define LOCAL(x) .L##x
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#ifdef __APPLE__
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# define GLOBAL(x) _##x
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#else
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# define GLOBAL(x) x
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#endif
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.globl GLOBAL(vmNativeCall)
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.align 2
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GLOBAL(vmNativeCall):
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/*
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arguments:
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r0 -> r4 : function
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r1 -> r5 : stackTotal
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r2 : memoryTable
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r3 : memoryCount
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[sp, #0] -> r6 : gprTable
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[sp, #4] -> r7 : vfpTable
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[sp, #8] -> r8 : returnType
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*/
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mov ip, sp // save stack frame
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stmfd sp!, {r4-r8, lr} // save clobbered non-volatile regs
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// mv args into non-volatile regs
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mov r4, r0
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mov r5, r1
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ldr r6, [ip]
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ldr r7, [ip, #4]
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ldr r8, [ip, #8]
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// setup stack arguments if necessary
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sub sp, sp, r5 // allocate stack
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mov ip, sp
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LOCAL(loop):
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tst r3, r3
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ldrne r0, [r2], #4
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strne r0, [ip], #4
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subne r3, r3, #4
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bne LOCAL(loop)
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// setup argument registers if necessary
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tst r6, r6
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#if (defined __APPLE__) && (defined __clang_major__) && (__clang_major__ >= 4)
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ldmiane r6, {r0-r3}
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#else
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ldmneia r6, {r0-r3}
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#endif
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#if defined(__ARM_PCS_VFP)
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// and VFP registers
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vldmia r7, {d0-d7}
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#endif
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#if defined(__ARM_ARCH_4__) || defined(__ARM_ARCH_4T__)
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mov lr, pc
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bx r4
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#else
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blx r4 // call function
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#endif
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add sp, sp, r5 // deallocate stack
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#if defined(__ARM_PCS_VFP)
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cmp r8,#FLOAT_TYPE
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bne LOCAL(double)
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fmrs r0,s0
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b LOCAL(exit)
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LOCAL(double):
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cmp r8,#DOUBLE_TYPE
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bne LOCAL(exit)
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fmrrd r0,r1,d0
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#endif
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LOCAL(exit):
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ldmfd sp!, {r4-r8, pc} // restore non-volatile regs and return
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.globl GLOBAL(vmJump)
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.align 2
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GLOBAL(vmJump):
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mov lr, r0
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ldr r0, [sp]
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ldr r1, [sp, #4]
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mov sp, r2
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mov r8, r3
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bx lr
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#define CHECKPOINT_THREAD 4
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#define CHECKPOINT_STACK 24
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.globl GLOBAL(vmRun)
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.align 2
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GLOBAL(vmRun):
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// r0: function
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// r1: arguments
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// r2: checkpoint
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stmfd sp!, {r4-r11, lr}
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// align stack
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sub sp, sp, #12
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str sp, [r2, #CHECKPOINT_STACK]
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mov r12, r0
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ldr r0, [r2, #CHECKPOINT_THREAD]
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#if defined(__ARM_ARCH_4__) || defined(__ARM_ARCH_4T__)
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mov lr, pc
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bx r12
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#else
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blx r12
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#endif
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.globl GLOBAL(vmRun_returnAddress)
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.align 2
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GLOBAL(vmRun_returnAddress):
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add sp, sp, #12
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ldmfd sp!, {r4-r11, lr}
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bx lr
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