annotate gen.c @ 1466:f2ee46d08b01

Push correct PC onto stack on divide by zero for pc-relative case
author Michael Pavone <pavone@retrodev.com>
date Wed, 13 Sep 2017 21:13:11 -0700
parents a7774fc2de4b
children
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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c8fefa140c80 Moved some generic stuff from backend.h gen_arm.h and gen_arm.c into gen.h and gen.c. Added a couple fields to cpu_options so that gen_mem_fun can be made guest CPU generic
Michael Pavone <pavone@retrodev.com>
parents:
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1 #include <stdio.h>
c8fefa140c80 Moved some generic stuff from backend.h gen_arm.h and gen_arm.c into gen.h and gen.c. Added a couple fields to cpu_options so that gen_mem_fun can be made guest CPU generic
Michael Pavone <pavone@retrodev.com>
parents:
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2 #include <stdlib.h>
c8fefa140c80 Moved some generic stuff from backend.h gen_arm.h and gen_arm.c into gen.h and gen.c. Added a couple fields to cpu_options so that gen_mem_fun can be made guest CPU generic
Michael Pavone <pavone@retrodev.com>
parents:
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3 #include "gen.h"
c8fefa140c80 Moved some generic stuff from backend.h gen_arm.h and gen_arm.c into gen.h and gen.c. Added a couple fields to cpu_options so that gen_mem_fun can be made guest CPU generic
Michael Pavone <pavone@retrodev.com>
parents:
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4 #include "mem.h"
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724bbec47f86 Use a new fatal_error function instead of calling fprintf and exit for fatal errors. This new function more gracefully handles the case in which BlastEm was not started from a terminal or disconnected from ther terminal (Windows).
Michael Pavone <pavone@retrodev.com>
parents: 563
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5 #include "util.h"
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c8fefa140c80 Moved some generic stuff from backend.h gen_arm.h and gen_arm.c into gen.h and gen.c. Added a couple fields to cpu_options so that gen_mem_fun can be made guest CPU generic
Michael Pavone <pavone@retrodev.com>
parents:
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6
c8fefa140c80 Moved some generic stuff from backend.h gen_arm.h and gen_arm.c into gen.h and gen.c. Added a couple fields to cpu_options so that gen_mem_fun can be made guest CPU generic
Michael Pavone <pavone@retrodev.com>
parents:
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7 void init_code_info(code_info *code)
c8fefa140c80 Moved some generic stuff from backend.h gen_arm.h and gen_arm.c into gen.h and gen.c. Added a couple fields to cpu_options so that gen_mem_fun can be made guest CPU generic
Michael Pavone <pavone@retrodev.com>
parents:
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8 {
c8fefa140c80 Moved some generic stuff from backend.h gen_arm.h and gen_arm.c into gen.h and gen.c. Added a couple fields to cpu_options so that gen_mem_fun can be made guest CPU generic
Michael Pavone <pavone@retrodev.com>
parents:
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9 size_t size = CODE_ALLOC_SIZE;
c8fefa140c80 Moved some generic stuff from backend.h gen_arm.h and gen_arm.c into gen.h and gen.c. Added a couple fields to cpu_options so that gen_mem_fun can be made guest CPU generic
Michael Pavone <pavone@retrodev.com>
parents:
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10 code->cur = alloc_code(&size);
c8fefa140c80 Moved some generic stuff from backend.h gen_arm.h and gen_arm.c into gen.h and gen.c. Added a couple fields to cpu_options so that gen_mem_fun can be made guest CPU generic
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
11 if (!code->cur) {
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724bbec47f86 Use a new fatal_error function instead of calling fprintf and exit for fatal errors. This new function more gracefully handles the case in which BlastEm was not started from a terminal or disconnected from ther terminal (Windows).
Michael Pavone <pavone@retrodev.com>
parents: 563
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12 fatal_error("Failed to allocate memory for generated code\n");
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c8fefa140c80 Moved some generic stuff from backend.h gen_arm.h and gen_arm.c into gen.h and gen.c. Added a couple fields to cpu_options so that gen_mem_fun can be made guest CPU generic
Michael Pavone <pavone@retrodev.com>
parents:
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13 }
c8fefa140c80 Moved some generic stuff from backend.h gen_arm.h and gen_arm.c into gen.h and gen.c. Added a couple fields to cpu_options so that gen_mem_fun can be made guest CPU generic
Michael Pavone <pavone@retrodev.com>
parents:
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14 code->last = code->cur + size/sizeof(code_word) - RESERVE_WORDS;
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a7774fc2de4b Partially working change to do proper stack alignment rather than doing a lame alignment check when calling a C compile dfunction. 68K core seems okay, but Z80 is busted.
Michael Pavone <pavone@retrodev.com>
parents: 792
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15 code->stack_off = 0;
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c8fefa140c80 Moved some generic stuff from backend.h gen_arm.h and gen_arm.c into gen.h and gen.c. Added a couple fields to cpu_options so that gen_mem_fun can be made guest CPU generic
Michael Pavone <pavone@retrodev.com>
parents:
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16 }