URL
https://opencores.org/ocsvn/openrisc/openrisc/trunk
Subversion Repositories openrisc
[/] [openrisc/] [trunk/] [gnu-old/] [newlib-1.17.0/] [newlib/] [libc/] [machine/] [mt/] [setjmp.S] - Rev 158
Go to most recent revision | Compare with Previous | Blame | View Log
# setjmp/longjmp for mt.## The jmpbuf looks like this:## Register jmpbuf offset# R0 --- --# R1 0x4 4# R2 0x8 8# R3 0xc 12# R4 0x10 16# R5 0x14 20# R6 0x18 24# R7 0x1c 28# R8 0x20 32# R9 ---- --# R10 ---- --# R11 0x2c 44# R12 0x30 48# R13 0x34 52# R14 0x38 56# R15 0x3c 60## R1 contains the pointer to jmpbuf.text.global setjmp.type setjmp ,@functionsetjmp:stw r1, r1, #4or r0, r0, r0stw r2, r1, #8or r0, r0, r0stw r3, r1, #12or r0, r0, r0stw r4, r1, #16or r0, r0, r0stw r5, r1, #20or r0, r0, r0stw r6, r1, #24or r0, r0, r0stw r7, r1, #28or r0, r0, r0stw r8, r1, #32or r0, r0, r0stw r11, r1, #44or r0, r0, r0stw r12, r1, #48or r0, r0, r0stw r13, r1, #52or r0, r0, r0stw r14, r1, #56or r0, r0, r0stw r15, r1, #60jal r0, r14addi r11, r0, #0.Lend1:.size setjmp,.Lend1-setjmp.global longjmp.type longjmp,@functionlongjmp:or r9, r1, r1or r11, r2, r2ldw r1, r1, #4or r0, r0, r0ldw r2, r1, #8or r0, r0, r0ldw r3, r1, #12or r0, r0, r0ldw r4, r1, #16or r0, r0, r0ldw r5, r1, #20or r0, r0, r0ldw r6, r1, #24or r0, r0, r0ldw r7, r1, #28or r0, r0, r0ldw r8, r1, #32or r0, r0, r0ldw r12, r1, #48or r0, r0, r0ldw r13, r1, #52or r0, r0, r0ldw r14, r1, #56or r0, r0, r0ldw r15, r1, #60brne r0, r11, .L01or r0, r0, r0addi r11, r0, #1.L01:jal r0, r14or r0, r0, r0.Lend2:.size longjmp,.Lend2-longjmp2
Go to most recent revision | Compare with Previous | Blame | View Log