blob: f5c0af5c715676ab2974d573a4df6febc7123ff2 [file] [log] [blame]
#include "textflag.h"
TEXT _rt0_ppc64le_linux(SB),NOSPLIT,$0
BR _main<>(SB)
TEXT _main<>(SB),NOSPLIT,$-8
// In a statically linked binary, the stack contains argc,
// argv as argc string pointers followed by a NULL, envv as a
// sequence of string pointers followed by a NULL, and auxv.
// There is no TLS base pointer.
//
// In a dynamically linked binary, r3 contains argc, r4
// contains argv, r5 contains envp, r6 contains auxv, and r13
// contains the TLS pointer.
//
// Figure out which case this is by looking at r4: if it's 0,
// we're statically linked; otherwise we're dynamically
// linked.
CMP R0, R4
BNE dlink
// Statically linked
MOVD 0(R1), R3 // argc
ADD $8, R1, R4 // argv
MOVD $runtimeĀ·tls0(SB), R13 // TLS
ADD $0x7000, R13
dlink:
BR main(SB)
TEXT main(SB),NOSPLIT,$-8
MOVD $runtimeĀ·rt0_go(SB), R31
MOVD R31, CTR
BR (CTR)