/**************************************************************** * * * Copyright 2001, 2010 Fidelity Information Services, Inc * * * * This source code contains the intellectual property * * of its copyright holder(s), and is made available * * under a license. If you do not know the terms of * * the license, please stop and do not read further. * * * ****************************************************************/ #include "mdef.h" #include "gtm_string.h" #include "rtnhdr.h" #include "stack_frame.h" #include "mlkdef.h" #include "zshow.h" #include "io.h" #define ZTRAP_FRAME " ($ZTRAP)" #define ZBRK_FRAME " (ZBREAK)" #define ZINTR_FRAME " ($ZINTERRUPT) " #define DEVERR_FRAME " (Device Error)" #define DIR_MODE_MESS " (Direct mode) " #define UNK_LOC_MESS " Indirection" #define MAX_FRAME_MESS_LEN 20 /* Maximum length of any of the frame messages above */ #define HAS_TRANS_CODE_ERR(fp) (fp->flags & SFF_ZTRAP_ERR || fp->flags & SFF_DEV_ACT_ERR) GBLREF stack_frame *frame_pointer; void zshow_stack(zshow_out *output) { bool line_reset; unsigned char *addr; unsigned short nocount_frames[64], *nfp; stack_frame *fp; mstr v; unsigned char buff[MAX_ENTRYREF_LEN + MAX_FRAME_MESS_LEN]; v.addr = (char *)&buff[0]; flush_pio(); nfp = &nocount_frames[0]; line_reset = FALSE; for (fp = frame_pointer; ; fp = fp->old_frame_pointer) { if (NULL == fp->old_frame_pointer) { /* This frame is a base frame - endpoint or jump it? */ # ifdef GTM_TRIGGER if (fp->type & SFT_TRIGR) /* Have a trigger baseframe, pick up stack continuation frame_pointer stored by base_frame() */ fp = *(stack_frame **)(fp + 1); else # endif break; /* Endpoint.. */ } if (!(fp->type & SFT_COUNT) || (fp->type & SFT_ZINTR)) { *nfp++ = fp->type; if (fp->type & SFT_ZTRAP || fp->type & SFT_DEV_ACT || HAS_TRANS_CODE_ERR(fp)) line_reset = TRUE; } else { if (HAS_TRANS_CODE_ERR(fp)) { *nfp++ = (fp->flags & SFF_ZTRAP_ERR) ? SFT_ZTRAP : SFT_DEV_ACT; line_reset = TRUE; } if (line_reset && ADDR_IN_CODE(fp->mpc, fp->rvector)) { addr = fp->mpc + 1; line_reset = FALSE; } else addr = fp->mpc; v.len = INTCAST(symb_line(addr, &buff[0], 0, fp->rvector) - &buff[0]); if (v.len == 0) { MEMCPY_LIT(&buff[0], UNK_LOC_MESS); v.len = SIZEOF(UNK_LOC_MESS) - 1; } if (nfp != &nocount_frames[0]) { for (--nfp; nfp >= &nocount_frames[0]; nfp--) { switch(*nfp) { case SFT_ZBRK_ACT: MEMCPY_LIT(&buff[v.len], ZBRK_FRAME); v.len += SIZEOF(ZBRK_FRAME) - 1; break; case SFT_DEV_ACT: MEMCPY_LIT(&buff[v.len], DEVERR_FRAME); v.len += SIZEOF(DEVERR_FRAME) - 1; break; case SFT_ZTRAP: MEMCPY_LIT(&buff[v.len], ZTRAP_FRAME); v.len += SIZEOF(ZTRAP_FRAME) - 1; break; case SFT_DM: MEMCPY_LIT(&buff[v.len], DIR_MODE_MESS); v.len += SIZEOF(DIR_MODE_MESS) - 1; break; case (SFT_COUNT | SFT_ZINTR): MEMCPY_LIT(&buff[v.len], ZINTR_FRAME); v.len += SIZEOF(DIR_MODE_MESS) - 1; break; default: break; } output->flush = TRUE; zshow_output(output, &v); v.len = 0; } nfp = &nocount_frames[0]; } else { output->flush = TRUE; zshow_output(output, &v); } } } return; }