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484 bytes added ,  03:41, 15 November 2018
Line 2,099: Line 2,099:  
| 0x0 || 0x148 || Exception stack
 
| 0x0 || 0x148 || Exception stack
 
|-
 
|-
| 0x148 || 0x78 || Frame: x0..x30, sp, elr_el1=unadjusted PC, pstate & 0xFF0FFE20,
+
| 0x148 || 0x78 || ExceptionFrameA64
afsr0, afsr1, esr, pc (stored using the regs' own size)
+
|}
 +
 
 +
ExceptionFrameA64:
 +
 
 +
{| class=wikitable
 +
! Offset || Length || Description
 +
|-
 +
| 0x0 || 0x48 (8*9) || GPRs 0..8.
 +
|-
 +
| 0x48 || 0x8 || lr
 +
|-
 +
| 0x50 || 0x8 || sp
 +
|-
 +
| 0x58 || 0x8 || pc (elr_el1)
 +
|-
 +
| 0x60 || 0x4 || pstate & 0xFF0FFE20
 +
|-
 +
| 0x64 || 0x4 || afsr0
 +
|-
 +
| 0x68 || 0x4 || afsr1
 +
|-
 +
| 0x6C || 0x4 || esr
 +
|-
 +
| 0x70 || 0x8 || far
 
|}
 
|}
   Line 2,110: Line 2,133:  
| 0x0 || 0x178 || Exception stack
 
| 0x0 || 0x178 || Exception stack
 
|-
 
|-
| 0x148 || 0x30 || Frame: r0..r14, elr_el1=unadjusted PC, tpidr_el0 = 1, cpsr & 0xFF0FFE20,
+
| 0x148 || 0x44 || ExceptionFrameA32
afsr0, afsr1, esr, pc (stored using the regs' own size)
   
|}
 
|}
    +
ExceptionFrameA32:
 +
 +
{| class=wikitable
 +
! Offset || Length || Description
 +
|-
 +
| 0x0 || 0x20 (8*4) || GPRs 0..7.
 +
|-
 +
| 0x20 || 0x4 || sp
 +
|-
 +
| 0x24 || 0x4 || lr
 +
|-
 +
| 0x28 || 0x4 || pc (elr_el1)
 +
|-
 +
| 0x2C || 0x4 || tpidr_el0 = 1
 +
|-
 +
| 0x30 || 0x4 || cpsr & 0xFF0FFE20
 +
|-
 +
| 0x34 || 0x4 || afsr0
 +
|-
 +
| 0x38 || 0x4 || afsr1
 +
|-
 +
| 0x3C || 0x4 || esr
 +
|-
 +
| 0x40 || 0x4 || far
 +
|}
    
In that case, after storing the regs in the TLS, the exception handler returns to the application's crt0 (entrypoint), with X0=<error description code> (see below) and X1=SP=frame=<stack top> (see above)
 
In that case, after storing the regs in the TLS, the exception handler returns to the application's crt0 (entrypoint), with X0=<error description code> (see below) and X1=SP=frame=<stack top> (see above)

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