tlsbinpic.s

GNU binutils是GNU交叉工具链中的一个源码包

	.section ".tdata", "awT", @progbits
	.balign 32
	.globl sg1, sg2, sg3, sg4, sg5, sg6, sg7, sg8
	.globl sh1, sh2, sh3, sh4, sh5, sh6, sh7, sh8
	.hidden sh1, sh2, sh3, sh4, sh5, sh6, sh7, sh8
	.hidden sh1, sh2
sg1:	.long 17
sg2:	.long 18
sg3:	.long 19
sg4:	.long 20
sg5:	.long 21
sg6:	.long 22
sg7:	.long 23
sg8:	.long 24
sl1:	.long 65
sl2:	.long 66
sl3:	.long 67
sl4:	.long 68
sl5:	.long 69
sl6:	.long 70
sl7:	.long 71
sl8:	.long 72
sh1:	.long 257
sh2:	.long 258
sh3:	.long 259
sh4:	.long 260
sh5:	.long 261
sh6:	.long 262
sh7:	.long 263
sh8:	.long 264
	.text
	.globl	fn2
	.type	fn2,@function
	.balign	64
fn2:
	/* Function prolog */
	stm	%r6,%r14,24(%r15)
	bras	%r13,.LTN1
	/* Literal pool */
.LT1:
.LC0:
	.long	_GLOBAL_OFFSET_TABLE_-.LT1
.LC1:
	.long	[e-mail]1
.LC2:
	.long	sG1@tlsgd
.LC3:
	.long	sG2@tlsgd
.LC4:
	.long	sg1@tlsgd
.LC5:
	.long	sl1@tlsgd
.LC6:
	.long	sh1@tlsgd
.LC7:
	.long	sl1@tlsldm
.LC8:
	.long	sl1@dtpoff
.LC9:
	.long	sl2@dtpoff
.LC10:
	.long	sh1@tlsldm
.LC11:
	.long	sh1@dtpoff
.LC12:
	.long	sh2@dtpoff
.LC13:
	.long	sG2@gotntpoff
.LC14:
	.long	sg1@gotntpoff
.LC15:
	.long	sl1@gotntpoff
.LC16:
	.long	sh1@gotntpoff
.LTN1:
	/* Function prolog */
	lr	%r14,%r15
	l	%r12,.LC0-.LT1(%r13)
	ahi	%r15,-96
	la	%r12,0(%r12,%r13)
	st	%r14,0(%r14)

	/* Extract TCB and load branch offset */
	ear	%r9,%a0
	l	%r7,.LC1-.LT1(%r13)
	
	/* GD -> IE because variable is not defined in executable */
	l	%r2,.LC2-.LT1(%r13)
	bas	%r14,0(%r7,%r13):tls_gdcall:sG1
	la	%r2,0(%r2,%r9)

	/* GD -> IE because variable is not defined in executable where
	   the variable is referenced through IE too */
	l	%r2,.LC3-.LT1(%r13)
	bas	%r14,0(%r7,%r13):tls_gdcall:sG2
	la	%r2,0(%r2,%r9)

	/* GD -> LE with global variable defined in executable */
	l	%r2,.LC4-.LT1(%r13)
	bas	%r14,0(%r7,%r13):tls_gdcall:sg1
	la	%r2,0(%r2,%r9)

	/* GD -> LE with local variable defined in executable */
	l	%r2,.LC5-.LT1(%r13)
	bas	%r14,0(%r7,%r13):tls_gdcall:sl1
	la	%r2,0(%r2,%r9)

	/* GD -> LE with hidden variable defined in executable */
	l	%r2,.LC6-.LT1(%r13)
	bas	%r14,0(%r7,%r13):tls_gdcall:sh1
	la	%r2,0(%r2,%r9)

	/* LD -> LE */
	l	%r2,.LC7-.LT1(%r13)
	bas	%r14,0(%r7,%r13):tls_ldcall:sl1
	la	%r3,0(%r2,%r9)
	l	%r4,.LC8-.LT1(%r13)
	la	%r5,0(%r4,%r3)
	l	%r4,.LC9-.LT1(%r13)
	la	%r5,0(%r4,%r3)

	/* LD -> LE against hidden variables */
	l	%r2,.LC10-.LT1(%r13)
	bas	%r14,0(%r7,%r13):tls_ldcall:sh1
	la	%r3,0(%r2,%r9)
	l	%r4,.LC11-.LT1(%r13)
	la	%r5,0(%r4,%r3)
	l	%r4,.LC12-.LT1(%r13)
	la	%r5,0(%r4,%r3)

	/* IE against global var  */
	l	%r3,.LC13-.LT1(%r13)
	l	%r3,0(%r3,%r12):tls_load:sG2
	l	%r3,0(%r3,%r9)

	/* IE -> LE against global var defined in exec */
	l	%r3,.LC14-.LT1(%r13)
	l	%r4,0(%r3,%r12):tls_load:sg1
	la	%r5,0(%r4,%r9)

	/* IE -> LE against local var */
	l	%r3,.LC15-.LT1(%r13)
	l	%r4,0(%r3,%r12):tls_load:sl1
	la	%r5,0(%r4,%r9)

	/* IE -> LE against hidden var */
	l	%r3,.LC16-.LT1(%r13)
	l	%r4,0(%r3,%r12):tls_load:sh1
	la	%r5,0(%r4,%r9)

	/* IE against global var with small got access (no optimization) */
	l	%r3,sG3@gotntpoff(%r12)
	la	%r3,0(%r3,%r9)

	/* IE against global var defined in exec with small got access
	   (no optimization) */
	l	%r3,sg3@gotntpoff(%r12)
	la	%r3,0(%r3,%r9)

	/* IE against local var with small got access (no optimization) */
	l	%r3,sl3@gotntpoff(%r12)
	la	%r3,0(%r3,%r9)

	/* IE against hidden var with small got access (no optimization) */
	l	%r3,sh3@gotntpoff(%r12)
	la	%r3,0(%r3,%r9)

	/* Function epilog */
	lm	%r6,%r14,120(%r15)
	br	%r14