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[/] [openrisc/] [trunk/] [gnu-src/] [newlib-1.17.0/] [newlib/] [libc/] [sys/] [sysvi386/] [signal.S] - Blame information for rev 438

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/ According to the iBCS2 book, signal() has 0x30 in %eax, and the address
/ of a function in %edx.  This function is where a signal handler will
/ return to; it should just adjust the stack pointer, and call $f,$0.
/ Strange but true.
        .globl  signal
 
sigret:
        addl    $4, %esp
        lcall   $0xf, $0
signal:
        movl    $0x30, %eax
        movl    sigret, %edx
        lcall   $7,$0
        jb      _cerror
/ The iBCS2 book also clears out %eax here, which seems to be broken.
        ret

Line No.	Rev	Author	Line
1	148	jeremybenn	`/ According to the iBCS2 book, signal() has 0x30 in %eax, and the address`
2			`/ of a function in %edx. This function is where a signal handler will`
3			`/ return to; it should just adjust the stack pointer, and call $f,$0.`
4			`/ Strange but true.`
5			`.globl signal`
6
7			`sigret:`
8			`addl $4, %esp`
9			`lcall $0xf, $0`
10			`signal:`
11			`movl $0x30, %eax`
12			`movl sigret, %edx`
13			`lcall $7,$0`
14			`jb _cerror`
15			`/ The iBCS2 book also clears out %eax here, which seems to be broken.`
16			`ret`

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[/] [openrisc/] [trunk/] [gnu-src/] [newlib-1.17.0/] [newlib/] [libc/] [sys/] [sysvi386/] [signal.S] - Blame information for rev 438